Top Pages

Abstracts from volume 49 (1994) onwards.

A student-run organization dedicated to the discussion and advancement of science. All issues available on-line.

EurekAlert! - Breaking News

Posted on 10th February, 2012 by Chaz

Science news feed. [RSS]

Proceedings of the National Academy of Sciences

Posted on 10th February, 2012 by Chaz

RSS feed for this multidisciplinary journal's current issue. [RSS]

ChemGlobe: Dysprosium

Posted on 10th February, 2012 by Chaz

Electronic, thermal, and steric data along with an isotope table.

ChemicalElements.com: Dysprosium

Posted on 10th February, 2012 by Chaz

Basic information, atomic structure, and isotopes table.
The thirty rare earth elements are composed of the lanthanide and actinide series. One element of the lanthanide series and most of the elements in the actinide series are called trans-uranium, which means synthetic or man-made. All of the rare earth metals are found in group 3 of the periodic table, and the 6th and 7th periods. The Rare Earth Elements are made up of two series of elements, the Lanthanide and Actinide Series. The Rare Earth Elements are.

Dysprosium

Posted on 10th February, 2012 by Chaz

Data tables and history.

EnvironmentalChemistry.com: Dysprosium

Posted on 10th February, 2012 by Chaz

Atomic structure, chemical and physical properties, and table of nuclides.
Was retracted in 2002. In Oct. 2006 it was again reportedly isolated by scientists from the Lawrence Livermore National Laboratory and their Russian partners at the Dubna nuclear research center in Russia, but IUPAC has not yet commented on this..If you need to cite this page, you can copy this text Kenneth Barbalace. Periodic Table of Elements. EnvironmentalChemistry. 1995 - 2011. Accessedon-line 7 10 2011http EnvironmentalChemistry yogi periodic ..K. Barbalace, inc).NO REPUBLISHING IN ANY FORM

It's Elemental: Dysprosium

Posted on 10th February, 2012 by Chaz

Basic physical and historical information.
GamesStudent ResourcesTeacher and Parent ResourcesSearch the Science Education web site.Search all of Jefferson Lab web sites.We hope you find what you re looking for!.Oops! Something didn t work right. Something about the address you have requested has upset the web server.Don t worry, it ll get over it.Meanwhile, you can do one of the following Follow one of these links to one of our more popular areas All About Atoms - A basic overview of atomic structureBEAMS Activities - Hands-on

LANL: Dysprosium

Posted on 10th February, 2012 by Chaz

History, properties, uses, and cost.
Element..The atomic symbol is one or two letters chosen to represent an element (H for hydrogen, etc.). These symbols are used internationally.Typically, a symbol is the truncated name of the element or the truncated Latin name of the element. Click.The atomic mass is the average mass of an element in atomic mass units (amu). Though individual atoms always have an integer number of atomic mass units, the atomic mass on the periodic table is stated as a decimal number because it is an average of

Lenntech: Dysprosium

Posted on 10th February, 2012 by Chaz

Physical data, chemical properties, health and environmental effects.
Due to our website update, the page you requested may be relocated, please use our search engine with the mayor keywords of the requested page. You may also use the search field on top of this page.Due to our website update, the page you requested may be relocated, please use our search engine with the mayor keywords of the requested page. You may also use the search field on top of this page.Due to our website update, the page you requested may be relocated, please use our search engine with

Visual Elements: Dysprosium

Posted on 10th February, 2012 by Chaz

Image, source, uses, physical information, and key isotopes.
Discovered by P.T. Cleve in Uppsala, Sweden and independantly by M. Delafontaine and J.L. Soret in Geneva in 1878 Origin The name is derived from Holmia , the Latin word for Stockholm. Description A rare silvery metal. Its alloys are used in magnets..Discovered by P.T. Cleve in Uppsala, Sweden and independantly by M. Delafontaine and J.L. Soret in Geneva in 1878 Origin The name is derived from Holmia , the Latin word for Stockholm. Description A rare silvery metal. Its alloys are used in

WebElements: Dysprosium

Posted on 10th February, 2012 by Chaz

Extensive information on history, uses, occurrence, compounds, and properties.
Bk. Decay chains involving eleven new nuclei were identified by means of the Dubna Gas Filled Recoil Separator. The measured decay properties show a strong rise of stability for heavier isotopes with Z=111, validating the concept of the long sought island of enhanced stability for super-heavy nuclei. Read more.WebElements the periodic table on the WWW http www. All rights reserved..

Wikipedia: Dysprosium

Posted on 10th February, 2012 by Chaz

Properties of the element, including its history, applications, and characteristics.

Bitshifters

Posted on 10th February, 2012 by Chaz

Images generated by different commercial applications. Includes FAQs and tutorial.

Chaos, Fractals, and Arcadia

Posted on 10th February, 2012 by Chaz

Article on the mathematical ideas lurking in the background of Tom Stoppard's play Arcadia. Includes examples, illustrations and references.
Our web pages contain information on our undergraduate and graduate programs, a list of our faculty and graduate students with their research interests, and information on department seminars. Our department has particularly strong groups in dynamical systems and its applications, geometry topology, number theory, probability and statistics, as well as having specialized centers, the Center for BioDynamics and the Statistics and Consulting Unit..

3D Fractals Bicomplex Dynamics

Posted on 10th February, 2012 by Chaz

Resource on the bicomplex generalization of the Mandelbrot set. Includes scientific publications, illustrations, news and downloads.

3D Mountains

Posted on 10th February, 2012 by Chaz

Shows how to create fractal mountains, three-dimensional Mandelbrot and Julia sets, convex, stellated and polyhedra. Includes pictures, plots and mathematical formulations.
Thanks to Rich, I ve added Ron Resch and Menger cubic sponges (click mouse to see how to make them). The first fractal is really Sierpinsky tetrahedron made of small cubes and Menger is too heavy for the third iteration ).When drawing a 3D object, we need to draw only visible to viewer faces. There are a variety of algorithms to do that with different strong points..A simple way to remove hidden surfaces for convex bodies is to put away all backfacing polygons, as they are not seen by the viewer

Dan Freeland

Posted on 10th February, 2012 by Chaz

Explains the basics. Includes gallery and free software for exploring different sets and singularities.

The Dynamical Systems and Technology Project

Posted on 10th February, 2012 by Chaz

Educational resource from the Boston University. Includes mathematical framework and formulation, animated illustrations and calculation spreadsheets.
Mb) Do you understand what the fractions that occasionally appear in this movie signify? If not, visit the Mandelbrot set Explorer..Robert L. Devaney Department of Mathematics Boston University Boston, MA 02215.Below you will find an animated description of some of the mathematical ideas lurking in the background of Tom Stoppard& ,s play Arcadia. For access to some of the mathematical software that generates some of the images contained herein, visit the Dynamical Systems and Technology Project

Explains a general systems theory for chaos, quantum mechanics and gravity as applied to weather patterns. Includes illustrations, scientific publications and references.

Efg's Computer Lab: Fractals and Chaos

Posted on 10th February, 2012 by Chaz

Software and information resource on the Mandelbrot set, geometrical explosion sets, and attractors. Includes diagrams and mathematical backgrounds.
Contains Lab Reports and Technical Notes on topics including, image processing, color science, computer graphics, mathematics, fractals chaos, science engineering. Most projects involve programming and include complete Delphi source code..contains two major sections, Delphi and Technical, each of which is a compendium of information from a wide variety of Internet resources.The Delphi section is divided into a number of subsections and contains a large number of Delphi programming examples and

Fractal Brownian Archipelago

Posted on 10th February, 2012 by Chaz

Shows how brownian motion can model the shape of coastlines. Includes interactive demonstration and a collection of island set.

Fractal Dimensions

Posted on 10th February, 2012 by Chaz

Easy to comprehend mathematical approach to understanding the significance of the applied study of fractals and attractors. Includes didactic examples and illustrations.

Fractal Explorer

Posted on 10th February, 2012 by Chaz

Tutorial for beginners covering the Mandelbrot and Julia sets, as well as four-dimensional sets. Includes interactive generators and gallery.

Fractal Foundation

Posted on 10th February, 2012 by Chaz

Foundation with purpose of educating people about the mathematical theory and the interconnectedness of complex systems. Includes mission statement, mathematical framework, gallery and contact.
The page you are looking for no longer exists. Perhaps you can find what you are looking for by searching the site archives by page, month, or category by page.for First Friday Fractals , the award-winning show at the NM Museum of Natural History Planetarium. Next shows on Friday August 5th.The page you are looking for no longer exists. Perhaps you can find what you are looking for by searching the site archives by page, month, or category by page.for First Friday Fractals , the award-winning

Fractal Map

Posted on 10th February, 2012 by Chaz

Interactive online Mandelbrot and Julia generator.

Fractals and Multi Layer Coloring Algorithms

Posted on 10th February, 2012 by Chaz

Scientific paper of the University of the Basque Country, Spain, addressing the mathematical aspects of multi layer colorization. Includes examples and references.

Fractals and Scale

Posted on 10th February, 2012 by Chaz

Discussion about the original mathematical concepts and the applications of scales and dimensions. Includes formalisms, examples and illustrations.

Fractals, Chaos

Posted on 10th February, 2012 by Chaz

Quotes and information on different types of sets and attractors. Includes image gallery, plots, mathematical formulation and articles.
On another server please let them know. .but if you can t be bothered, I understand. Your best bet now is to return to my front page and navigate from there..You ve tried to access a page that doesn t exist on this server, has been shifted to a new location, or for which the spelling checker corrector couldn t find a close enough match. If the URL you were trying was a link on one of my pages, please tell me about it including the URL of the page with the bad link. You can contact me by email at

Fractals Unleashed

Posted on 10th February, 2012 by Chaz

Tutorial covering the different types of sets and attractors. Includes mathematical formulations, applets, programs, gallery and an art contest. [English, Russian, Ukrainian]

Homepage of Kristian Gustavsson

Posted on 10th February, 2012 by Chaz

Weblog about the mathematical background of different sets and attractors in the complex plane. Includes downloadable generator and gallery.

IFS Attractors

Posted on 10th February, 2012 by Chaz

Index and definition of different attractors. Includes images, plots and glossary.
Polymer with a similarity dimension of 2 at least one pair of components meet at a line, rather than at a set of points..cyclomer A polymer consisting of a ring of components with or without a core of components filling in the central hole. If all components have the same radial distance and orientation then it is an isocyclomer (normally abbreviated to cyclomer). An isocyclomer with n components is described as an a-cyclo-n-mer, where a is the angle by which the components are rotated.(n is

Images From Chaos

Posted on 10th February, 2012 by Chaz

Gallery of chaotic and complex systems and attractors from the University of Zaragoza, Spain.

Introduction: Chaos, Fractals And Attractors

Posted on 10th February, 2012 by Chaz

Introduction to chaos, attractors and dynamic systems theory. Includes mathematical formulation, images and references.
Actually appears as lacking order, that is, chaotic.).T. S. (1998) Foundations of Complex-System Theories In Economics, Evolutionary Biology, and Statistical Physics, Cambridge UP..Burger E. B. Starbird M. (2005) Coincidences, Chaos, and All That Math Jazz, W.W. Norton company, NY..Chapman R. and Sprott J. C. (2005) Images of a Complex World, include CD, World Scientific..J. (1987) CHAOS - Making a New Science, New York Viking..N. (editor) (1991), Exploring CHAOS, W.W. Norton Company, N.Y..R. C.

An Introduction to Julia and Mandelbrot Sets

Posted on 10th February, 2012 by Chaz

Explains the mathematical basics of Julia and Mandelbrot sets. Addresses principles, and complex plane algorithms. [English, Italian]

Introduction to Lacunarity

Posted on 10th February, 2012 by Chaz

Analysis of the degree of gappiness of different sets. Includes mathematical aspects, results and publications.
Exch ashow % =0 normal + extra space }{ neg setlinewidth true charpath %.

Iterations and the Mandelbrot Set

Posted on 10th February, 2012 by Chaz

Discusses how differently the iterations behave depending on which portions the coefficients are plucked from. Includes basics, concept, formulations and references.
Dear Friend, there is no good reason to whack this site or index its directories. Repeated infractions will be punished by blocking the whole subnetwork from which an attempt has been made to copy the site. If you read this and feel that your actions have caused blockage, please refer to Terms of usage. Contact our services with a clear statement of your understanding of the Terms and a promise of no further infractions. This might have been somebody else on your network, in which case we

Julia and Mandelbrot Set Explorer

Posted on 10th February, 2012 by Chaz

Online navigator for various sets and attractors from the Clark University. Includes background and a short course on complex numbers.
Which is a window on that ColorPlane that is displayed in the applet. The MandelbrotColorPlane is a subclass of the ColorPlane class. Besides being a ColorPlane that can be displayed in a ColorPlaneWindow, the MandelbrotColorPlane includes code to compute what colors go into the ColorPlane. The Complex class includes methods for computing with complex numbers. It used by MandelbrotColorPlane..Jan 2003 David E. Joyce Department of Mathematics and Computer Science Clark University Worcester, MA

Kleinian Groups Pictures

Posted on 10th February, 2012 by Chaz

Discusses the mathematical theory of Kleinian groups. Includes illustrations, examples, formalism and program source code.
Site needs a lot of work..This is a description of the files used to make the Road Map in Indra& ,s Pearls, by Mumford, Series, Wright, Cambridge University Press, 2002. An explanation of the design of the Road Map may be found here. All the pictures were made using the program.The above link will provide the FORTRAN77 source of this program, which is not particularly user-friendly. The usual application of.after which you will, God willing, have a PostScript file of the desired image. Here we

The Mandelbrot and Julia Sets Anatomy

Posted on 10th February, 2012 by Chaz

Scientific publication about the anatomy of different sets and attractors and chaotic dynamics. Includes animated samples, articles and mathematical formulations.
Central part of the picture below is similar to the whole bifurcatin diagram (see two pictures at the bottom of the page)..may be regarded as approximately linear, the full quadratic map must be retained for the central interval. One thus obtains x.1 J.A.Yorke, C.Grebogi, E.Ott, and L.Tedeschini-Lalli Scaling Behavior of Windows in Dissipative Dynamical Systems Phys.Rev.Lett. 54, 1095 (1985) 2 B.R.Hunt, E.Ott Structure in the Parameter Dependence of Order and Chaos for the Quadratic Map J.Phys.A

Mathematical Figures Using Mathematica

Posted on 10th February, 2012 by Chaz

Collection of sets and attractors. Includes Mathematica source code, mathematical formulations and illustrations.
Me know if you re dying to see it.) __________ Here some Mathematica 3.0 code to generate the lists of Bell partitions. In short, the program computes lists of partitions recursively, using two cases. We compute BellList n by appending the singleton {n} to each element of BellList n-1 , and by appending the number n to each subset of each element in BellList n-1 , this technique corresponds to the summation of the recurrence for Stirling numbers of the second kind.lattice to the opposite corner

Mathematics: Stilldreamer

Posted on 10th February, 2012 by Chaz

Explains the basics of Sierpinski systems and other sets. Includes interactive example programs with source code.

The Modular Group and Fractals

Posted on 10th February, 2012 by Chaz

Explains the basics of fractals, Riemann Zeta, modular group gamma, Farey fractions and Minkowski question mark. Includes publications.

NASA: Fractal Clouds

Posted on 10th February, 2012 by Chaz

Information on the modeling aspects of cloud forms and structures, and their implications for climate. Including descriptions of cloud types, movies, glossary and publications.
Snow cover during the long winters in Siberia and North America. This filling in process utilizes the temporal fit of nearby cloud-free pixels of the same ecosystem classification (e.g., savanna, woody savanna, broadleaf forest) to replace nearly half of the yearly data and generate global maps that are spatially, spectrally, and temporally complete. This value-added global surface reflectance product is of value not only for cloud retrieval work in which the underlying surface reflectance must

Newton Basins

Posted on 10th February, 2012 by Chaz

Article about the basins of attraction for the Newton's method for finding roots of equations and their resulting representation in the complex plane. Includes mathematical framework and examples.
Numbers. When we go to complex functions, we ll use z as the independent variable to emphasize that we re working with complex numbers. So, we write our sample function as f(z)=z.Ah, let stop there. We have the real number 1.75, and we know from the analysis above that it iterates go to infinity since 1.75 is not in the range from 1.5 to 1.5. Let try another imaginary number, say 0.5i.., which equals 1, does lie in the range from 1.5 to 1.5. Therefore, it& ,s iterates converge. We could try

Project Fractales

Posted on 10th February, 2012 by Chaz

Research group at the INRIA national research center, France. Includes research details, publications and software.

Explains how quantum jumps generate new family of fractals on spherical canvas. Includes graphics in several formats, mathematical framework and bibliography.

Sierpinski Gasket

Posted on 10th February, 2012 by Chaz

Scientific article describing the mathematical background of the Sierpinski gasket. Includes formulation, models and references.
Can t be bothered, I understand. Your best bet now is to return to my front page and navigate from there..You ve tried to access a page that doesn t exist on this server, has been shifted to a new location, or for which the spelling checker corrector couldn t find a close enough match. If the URL you were trying was a link on one of my pages, please tell me about it including the URL of the page with the bad link. You can contact me by email at the address shown on my front page If the link was

The Spanky Fractal Database

Posted on 10th February, 2012 by Chaz

Collection of sets, attractors and related material for free distribution. Includes large categorized index of software, information and links.

Technocosm

Posted on 10th February, 2012 by Chaz

Focuses on the visualization of three dimensional attractors. Includes formula derivations and image galleries.
I have a set of Perl scripts that manage my hotlinks. I also wrote a set of scripts that manage the bulletin board at my church, which have gone offline with my re-hosting at comcast. Sorry!.I have a set of Perl scripts that manage my hotlinks. I also wrote a set of scripts that manage the bulletin board at my church, which have gone offline with my re-hosting at comcast. Sorry!.

Tetrabrot Fractal Videos

Posted on 10th February, 2012 by Chaz

Collection of videos made by rotation, zooming, and cycling through the four-dimensional Tetrabrot sets. Includes basics, mathematical formulations and descriptions.

What are Fractals?

Posted on 10th February, 2012 by Chaz

Explains the basics, adressing definitions, dimensions and uses. Includes gallery and resources.
Parents, welcome to the Academy of Science - St. Louis Science Fair! We appreciate your dedication to helping your children explore scientific investigation. We ve assembled helpful resources for you to assist your child in preparing his or her project. Registration Dates and Deadlines When your project must be registered, and how to ensure your project is safely conducted. Judges Scoring Rubrics The judging rubrics list all of the components of a well-done Science Fair project, such as a log

Wikipedia: Fractals

Posted on 10th February, 2012 by Chaz

Free encyclopedia article covering historical aspects and mathematical formulations. Includes two and three dimensional illustration sets.

The 3x+1 Fractal

Posted on 10th February, 2012 by Chaz

Paper that generalizes the Collatz problem to complex numbers. Includes insights, results and references. (June 1, 2004)
Elsevier Properties S.A., used under license. ScienceDirect is a registered trademark of Elsevier B.V..V. All rights reserved. SciVerse is a registered trademark of Elsevier Properties S.A., used under license. ScienceDirect is a registered trademark of Elsevier B.V..V. All rights reserved. SciVerse is a registered trademark of Elsevier Properties S.A., used under license. ScienceDirect is a registered trademark of Elsevier B.V..V. All rights reserved. SciVerse is a registered trademark of

A Fractal Christmas

Posted on 10th February, 2012 by Chaz

Short Article from Inside Science News Service describing the basics. Includes illustrations and links. (December 1, 2003)
It may have moved to a new location. Please use the search box above to help you locate the file. If you typed in the url, be sure the address is typed correctly. Thank you..It may have moved to a new location. Please use the search box above to help you locate the file. If you typed in the url, be sure the address is typed correctly. Thank you..It may have moved to a new location. Please use the search box above to help you locate the file. If you typed in the url, be sure the address is typed

Base Peak

Posted on 10th February, 2012 by Chaz

Formerly "Mass Spectrometry on the Internet", an index page of mass spectrometry internet sites including links to mass spectrometry groups, companies, resources, and software.
Submit a link. GO If you would like to submit a link for inclusion in the directory, please use this form..All rights reserved..Thermo Fisher Scientific Presents Distinguished Research Award to Dr. Judit Villen, University of Washington.Clinical Applications of Selected Reaction Monitoring-Based Mass Spectrometry Assays In this interactive webinar, a multiplexed SRM-based assay to verify biomarkers for differential diagnosis of azoospermia is discussed, highlighting its ability to simultaneously

ChemDex

Posted on 10th February, 2012 by Chaz

A directory of chemistry resources on the WWW, located on the Sheffield chemistry server.

ChemFinder Searching

Posted on 10th February, 2012 by Chaz

An index to chemical information on the Internet, with structures and physical properties, searchable by name, structure, CAS Number, and physical properties.

Chemical Directories, Indicies and Links Sites

Posted on 10th February, 2012 by Chaz

A meta-listing of chemistry indicies - a subsection of Links for Chemists.

Chemical Resources

Posted on 10th February, 2012 by Chaz

Many places to search chemical information in Internet, page held in Columbia.
The fix for setuid scripts to us, so Open WebMail can be used with SpeedyCGI on Solaris..Thanks to interactivetools. who wrote the great HTMLArea editor, and released it under BSD like licence. The HTML message composing support in openwebmail is based on this wonderful product..Thanks to Mats Andersson, who wrote the Mindterm, a SSH client implemented as a Java applet, and released it under GPL. The SSH terminal support in openwebmail is actually using the great software..Thanks to Torsten

Chemie.DE

Posted on 10th February, 2012 by Chaz

Chemie.DE is an information service for the german chemistry community. It provides search engines for chemistry and various databases for chemical information.

ChemIndustry.com

Posted on 10th February, 2012 by Chaz

Providing information on all facets of the world-wide chemical industry. Many links to web resources of interest to chemists and the chemical industry.

Chemistry Collection of Infostead Australia

Posted on 10th February, 2012 by Chaz

A comprehensive Australian directory of links for all those with an interest in chemistry.

Chemsoc

Posted on 10th February, 2012 by Chaz

Online networks in specialist areas, science, industry and product news, a comprehensive events database, job centre, access to major references, and society resources.
The RSC headquarters are in London. The communication and media relations teams are based here, together with the Chief Executive office.The RSC Library andour new venue The Chemistry Centre are here..Royal Society of Chemistry Beijing Office, PO Box 53, No. 2 Zhongguancun North First Street, Beijing, China 100080 Tel +86(0)10 62558655 Fax +86(0)10 62558655.Membership Department Contact for application and subscription enquiries. Royal Society of Chemistry, Thomas Graham House, Science Park,

ChemWeb.com

Posted on 10th February, 2012 by Chaz

Features searchable chemistry journals and databases, jobs, books, software, conferences diary and ChemDex+.
Practically all our speakers are experts from industry, which means the ideas and information you take home will be directly applicable to your own work..ChemWeb provides access to the information chemists need to enhance their research, product development, self-development, education, and or their businesses in Chemistry and related disciplines. Easy access to abstracts, papers, journals, books, conferences news, forums and the Alchemist newsletter makes ChemWeb powerful and useful to our

ChIN - The Chemical Information Network

Posted on 10th February, 2012 by Chaz

Comprehensive directory of chemical information on the web.

Information Retrieval in Chemistry Server

Posted on 10th February, 2012 by Chaz

A compendium of chemistry resources by field and by topic.

Links for Chemists

Posted on 10th February, 2012 by Chaz

An extensive index of chemistry resources maintained at The University of Liverpool.
This page points to the staff pages, research profiles, undergraduate course details and postgraduate opportunities for Chemistry at UK Universities. If there are any omissions, corrections or you have updated your pages, then please inform us via our comments form. If you wish to apply to study for a first (B.Sc. or M.Chem.) degree in Chemistry at a UK University, you should visit the UCAS website. The 2008 Research Assessment Exercise results for chemistry are available here. Aberdeen.

Medicinal Chemistry Links

Posted on 10th February, 2012 by Chaz

A collection of links for chemists and students involved in organic, biochemical, computational, and/or medicinal chemistry research, maintained by Virginia Commonwealth University.
Advancement of academic- and industry-oriented goals, which form the heart of our Ph.D. and M.S. graduate programs..Street Room 500 P.O. Box 980581 Richmond, Virginia 23298-0581 Phone (804) 828-3000 Toll-Free Line (800) 330-0519 Fax (804) 828-1815 E-mail pharmacy@vcu.edu Updated 10 27 2010.

moreChemistry

Posted on 10th February, 2012 by Chaz

Maintains lists of events, links and jobs. Registered members can promote their websites themselves.
3rd BDS meeting, held in Delft between 23 and 26 August 2004, has brought together about 160 participants from 30 countries being active in the field of dielectric relaxation phenomena and dielectric techniques. During the four intense conference days, 65 lectures (19 invited) and 105 poster contributions have been presented and discussed..LabVIEW virtual instrument collectionThe vi collection pages on morechemistry have been made for new and existing LabVIEW programmers. The collection covers

Rolf Claessen's Chemistry Index

Posted on 10th February, 2012 by Chaz

Links to freeware, discounted software, free databases, societies, spectroscopy resources, reaction mechanisms and online discussion forums.

Top20Chemistry.com

Posted on 10th February, 2012 by Chaz

Online directory for chemistry education in organic, analytical, bio, physical, electro, atmospheric, and several other topics.
Discuss.A website directory and metasearch engine of Top 20 best websites, including news, sports, education, health and more. http www. Wikipedia data uses the GNU Free Documentation License. DMOZ data uses the Open Directory License..

The Wired Chemist

Posted on 10th February, 2012 by Chaz

A collection of Chemistry resources, including links to other sites and data tables.

Bibliography on Hilbert's Tenth Problem

Posted on 10th February, 2012 by Chaz

Searchable, ~400 items.
Of the word (at the end of a word), ~ specified at the end of a word makes approximate match (allows typos, but takes many seconds to process).The bibliographies have been categorized hierarchically. You can descend the hierarchy by following the subject areas below or search the bibliography descriptions with a boolean query. The bibliographies have been grouped into subject areas, but there is still a substantial overlap between subject areas..If you would like to establish links from your

Methods to solve these equations.

Diagonal Quartic Surfaces

Posted on 10th February, 2012 by Chaz

Articles, computations and software in Magma and GP by Martin Bright.

Diophantine Geometry in Characteristic p

Posted on 10th February, 2012 by Chaz

A survey by José Felipe Voloch.

Diophantine m-tuples

Posted on 10th February, 2012 by Chaz

Sets with the property that the product of any two distinct elements is one less than a square. Notes and bibliography by Andrej Dujella.
The replacement of number 1, in the definition of Diophantine m-tuples, by an arbitrary integer n..Several authors considered the problem of the existence of Diophantine quadruples with the property D(n). This problem is almost completely solved. In 1985, Brown 21 , Gupta Singh 22 and Mohanty Ramasamy 24 proved independently the following result, which gives the first part of the answer..The proof of Theorem 3.1 is very simple. Indeed, assume that.a contradiction. In 1993, Dujella 44 has given

Diophantus Quadraticus

Posted on 10th February, 2012 by Chaz

On-line Pell Equation solver by Michael Zuker.

Egyptian Fractions

Posted on 10th February, 2012 by Chaz

Lots of information about Egyptian fractions collected by David Eppstein.
Matthews Number Theory Web Number recreations by Shyam Sunder Gupta Recreational topics from the theory of numbers.

The Erdos-Strauss Conjecture

Posted on 10th February, 2012 by Chaz

The conjecture states that for any integer n > 1 there are integers a, b, and c with 4/n = 1/a + 1/b + 1/c, a > 0, b > 0, c > 0. The page establishes that the conjecture is true for all in
Round Abs ttt , If printlevel 0, Print , Print 4 givend, = , f1, + , f2, + , f3, (, globaldepth, ) , , (* Truly confirm . check for possible mistake . *) checkval = ((4 givend) == (f1 + f2 + f3)), If checkval === True, , Print Error!!! with , givend , globalerr++, , , (* Part 2. Procedures to check a list of exceptional cases. *) (* These procedures read and process a sequence of exception files. additional global variables ecases counts the cases computed primecases counts the prime cases rfile

Hilbert's Tenth Problem

Posted on 10th February, 2012 by Chaz

Statement of the problem in several languages, history of the problem, bibliography and links to related WWW sites.

Hilbert's Tenth Problem

Posted on 10th February, 2012 by Chaz

Given a Diophantine equation with any number of unknowns and with rational integer coefficients: devise a process, which could determine by a finite number of operations whether the equation is solvab
Applications to real problems.The stable self-contained character of mathematical models makes such mutants possible and even inevitable. No other branch of science knows such problems. Polish writer Stanislaw Lem joked in his book Summa Technologiae mathematicians are like mad tailors they are making all the possible clothes hoping to make also something suitable for dressing. (sorry - my own English translation, the initial version of this aphorism may be due to David van Dantzig, see

Linear Diophantine Equations

Posted on 10th February, 2012 by Chaz

A web tool for solving Diophantine equations of the form ax + by = c.

Pell's Equation

Posted on 10th February, 2012 by Chaz

Record solutions.
Made available in the pages described above have not yet been double-checked. They are thus potentially inaccurate. Simple screening tests were used to identify and reject wrong results. However, these screening tests are not perfect, and thus wrong results may have been accepted. So far the double-checking computations have encountered only two wrong results (in the Goldbach conjecture verification project)..

Pythagorean Triples Etcetera

Posted on 10th February, 2012 by Chaz

A web text by Fred Barnes on 60-, 90-, and 120-degree integer-sided triangles.

Pythagorean Triples in JAVA

Posted on 10th February, 2012 by Chaz

A JavaScript applet which reads a and gives integer solutions of a^2+b^2 = c^2.
Sein , daraus folgt m ist kleiner als aund mals Teiler darf nicht 0 sein , daraus folgt m ist gr er als 0 Also m ist eine Zahl zwischen 1 und (a - 1) , aber wir berpr fen noch , was ist , wenn a gerade oder ungerade ist. (a.) mu gerade sein, weil der Term durch 2 teilbar sein soll. daraus folgt Ist a gerade , dann ist auch m gerade , ebenso ist a ungerade , dann ist auch m ungerade..In dem Programm habe ich in der Schleife in umgekehrter Reihenfolge z hlen lassen , weil dann m mit (a - 2)

Pythagorean Triplets

Posted on 10th February, 2012 by Chaz

A Javascript calculator for pythagorean triplets.
(linke) Abbildung einer Sequenz rckgngig machen. Reduzieren ist ein eindeutiger Vorgang zu jedem tpT gehrt genau ein reduziertes, sukzessives Reduzieren endet stets mit (3 4 5) (Satz 5). Taste Zurcksetzen der Anfangszustand wird wieder hergestellt..

Quadratic Diophantine Equation Solver

Posted on 10th February, 2012 by Chaz

Dario Alpern's Java/JavaScript code that solves Diophantine equations of the form Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0 in two selectable modes: "solution only" and "step by step" (or "teach") mode. The

Some of conjectures and open problems, compiled at AIM.

Rational Triangles

Posted on 10th February, 2012 by Chaz

Triangles in the Euclidean plane such that all three sides are rational. With tables of Heronian and Pythagorean triples.
Somos or Dr. Somos) and I am interested in information in general, but particularly mathematics and computers, especially software like Linux, PARI GP, Perl and Forth. A partial index of my webspace is available. To find information on the web I highly recommend the Google search engine. To find information on Internet hosts I primarily use the Network Solutions Whois lookup. Search the Yahoo index or the Lycos database. Try John December Internet Web Text. Look at the World-Wide Web FAQ by Tom

Solving General Pell Equations

Posted on 10th February, 2012 by Chaz

John Robertson's treatise on how to solve Diophantine equations of the form x^2 - dy^2 = N.

Thue Equations

Posted on 10th February, 2012 by Chaz

Definition of the problem and a list of special cases that have been solved, by Clemens Heuberger.
Anmeldung Falls es bereits einen Pr fungstermin in TUGRAZonline f r die entsprechende LV am gew nschten Termin gibt, bitte einfach dort anmelden. Andernfalls schicken Sie mir bitte eine email (bitte Matrikelnummer und Studienkennzahl angeben) bis drei Tage vor der Prfung..22. Oktober 2009 Sprechstunde verschoben auf Mittwoch, 21. Oktober, 10 0011 00.

A Curriculum for Cybernetics and Systems Theory

Posted on 10th February, 2012 by Chaz

List of suggested books, periodicals, television shows and computer programs for a classroom curriculum or individual study in cybernetics and systems theory.
As part of the Defense Advanced Research Projects Agency (DARPA) Grand Challenge for Robotic Ground Vehicles a race of driverless vehicles from Los Angeles to Las Vegas March 13, 2004 (subcontracting for Mindtel, LLC). See.as part of the Defense Advanced Research Projects Agency (DARPA) Grand Challenge for Robotic Ground Vehicles a race of driverless vehicles from Los Angeles to Las Vegas March 13, 2004 (subcontracting for Mindtel, LLC). See.

Cybernetics

Posted on 10th February, 2012 by Chaz

A Glossary and Definitions (including web links) for Cybernetics at the Open Site Encyclopedia Project.
Technologies, Inc., big fans of Ugobe& ,s.Open-Site Foundation, Inc. Hosted by Android Technologies, Inc., big fans of Ugobe& ,s.Open-Site Foundation, Inc. Hosted by Android Technologies, Inc., big fans of Ugobe& ,s.Open-Site Foundation, Inc. Hosted by Android Technologies, Inc., big fans of Ugobe& ,s.Open-Site Foundation, Inc. Hosted by Android Technologies, Inc., big fans of Ugobe& ,s.Open-Site Foundation, Inc. Hosted by Android Technologies, Inc., big fans of Ugobe& ,s.Open-Site Foundation,

Principia Cybernetica Web (PCP)

Posted on 10th February, 2012 by Chaz

An International Project to Develop a Philosophy Based on the Principles of Cybernetics and Supported by Collaborative Computer Technologies.

INTAS

Posted on 10th February, 2012 by Chaz

An international association formed by EU member states and others to promote East-West Scientific co-operation.
This server could not verify that you are authorized to access the document requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn& ,t understand how to supply the credentials required..Please enter INTAS in the Programme Acronym field. You then get the 420 projects, which you can sort out by title, date, project acronym (i.e. practically Project ID).., also listed below. The detailed results of each call are accessible through clicking the call name..

Mepielan

Posted on 10th February, 2012 by Chaz

Mediterranean Programme for International Environmental Law and Negotiation. Aims to foster an integrated approach to environmental governance regimes in the Mediterranean area.
An international research and training Centre located at Panteion University, Athens Greece.MEPIELAN CENTRE was established in 2008 by the Panteion University to provide a new strengthened institutional base for the activities previously carried out under the auspices of MEPIELAN (Panteion University), a successful international programme of international seminars, workshops and publications carried out between 2002 and 2007 under the scientific supervision of Professor of International Law,

NATO Science Program

Posted on 10th February, 2012 by Chaz

Offers support for international collaboration between scientists from countries of the Euro-Atlantic Partnership Council and the Mediterranean Dialogue. Information about scholarships, fellowships,

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Posted on 10th February, 2012 by Chaz

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