| Coxeter/Weyl_Tutorial A Tutorial Introduction to the Coxeter and Weyl Packages, a pair of Maple packages for working with root systems, finite Coxeter groups and Weyl characters |
| GAP_-_Groups,_Algorithms_and_Programming GAP is a free system for computational discrete algebra. |
| Group_Action_Forum Association for the study of the theory of transformation groups and related topics. Members, news, events, publications. |
| Group_Pub_Forum_Home_Page These are the community pages for Group Theory, the mathematics of symmetry. Group Theory is a branch of algebra, but has strong connections with almost all parts of mathematics. |
| Group_Theory On-line book by Prederic Cvitanovic. Available both in 'psd' and 'ps' formats. |
| International_Society_for_Group_Theory_in_Cognitive_Science Group theory in: Robotics, Problem-Solving, Planning, Learning, Language, Perception, Art, Design, Engineering, Manufacturing, |
| Introduction_to_Group_Theory A fairly easy to understand tutorial. Fourteen sections, including groups, Cayley tables, subgroups, cosets, Lagrange's theorem, cyclic groups and subgroups, permutations, and Rubik's cube. |
| The_Lie_algebras_su(N),_an_introduction Publication: An Introduction to the Lie Algebras su(N). By Walter Pfeifer, Switzerland. A free copy can be ordered. |
| Mod-2_Cohomology_of_2-Groups Computer calculation of the mod-2 cohomology of groups of order 8, 16, 32 and 64. |
| The_Moonshine_Page Bibliography, meetings. |
| New_York_Group_Theory_Cooperative Software (Magnus), preprints, meetings, links. Magnus - a graphically-oriented system for computational group theory - allows one to explore and experiment with abstract groups without the need for l |
| The_North_British_Quantum_Groups_Collective The North British Quantum Groups Collective meets regularly to discuss research in quantum groups, with the aim of disseminating recent results and exchanging ideas and information on the subject. |
| Open_Problems_in_Group_Theory Part of the Magnus project. Contains over 150 problems in group theory, both well known and relatively new. |
| PARGAP Parallel GAP/MPI (ParGAP/MPI), a share package for GAP. UNIX (or Cygwin/Windows). Download source and documentation by FTP. |
| Permutation_Group_Problems Compiled by Peter Cameron. |
| Permutation_Groups_Resources Web-based resources for permutation groups and related areas in group theory and combinatorics. |
| Semigroup_Theory Directory of home pages and conferences maintained at Southampton University. |
| Symmetric_Presentations Some presentations of groups (symmetric or otherwise). |
| Symmetry The main point group symmetries of interest to defect physics by operation (reflection, rotations etc) and classification (trigonal, and cubic). Most point groups also have the associated character |
| Symmetry_Groups_in_Maple_V A worksheet by W.D. Joyner. |
| Topological_Methods_in_Group_Theory Table of contents only; draft chapters can be downloaded by arrangement. |
| Trinomials_with_Interesting_Galois_Groups Parametrisation of trinomials with Galois groups contained in the simple group G168. |
| The_World_of_Groups Part of the World Wide Algebra project. Open problems in combinatorial group theory, a list of personal web pages, conferences and seminars, and useful links. |
| Binnick\'s_Linguistic_Bibliography Annotated bibliography of tense, verbal aspect, aktionsart and related areas. |
| Blogos News and opinion articles on sociolinguistics, bilingualism, translation, technology, and other aspects of linguistics. |
| The_Homepage_of_Integrational_Linguistics A specific approach to linguistics combining a comprehensive theory of language and a theory of grammars. |
| Language_and_Linguistics Essays on language and linguistics and links to related materials. |
| Language_Log Weblog run by University of Pennsylvania phonetician Mark Liberman, with multiple guest linguists. |
| Lexicon_of_Linguistics Searchable database of linguistic terminology updated with many new terms in the areas of Generative Grammar (Minimalism) and Phonetics. Includes bibliography. |
| Linguasphere An exploration of linguistics and related resources with extracts from the Linguasphere Register of the world languages and speech communities. |
| Linguistic_Data_Consortium Sharing of linguistic data, tools and standards resources. |
| Linguistic_Exploration Multidimensional exploration of online linguistic databases. |
| The_Linguistics_Project Interdisciplinary, international, internet-community on language and linguistics. |
| Maledicta_Press Specializes in negatively-valued words and expressions from all languages and cultures, focussing on the origin, etymology, meaning, use and influence of verbal aggression and abuse of any kind. |
| Museum_of_Human_Language Virtual museum with columns. Definition of a language, linguistics, and language function. |
| The_sci_lang_FAQ Answers to frequently asked questions about dialects, languages and their relationships, linguistics, and phonetic systems. |
| Stewardship_Project Listings of international geographical names, orthography and transcription with commentaries on language. |
| Unilang_Community Provides a home for everybody interested in any aspect of language(s) or linguistics. |
| American_Water_Works_Association International nonprofit scientific and educational society dedicated to the improvement of drinking water quality and supply. Represents treatment plant operators and managers, scientists, environment |
| Arsenic_in_Drinking_Water EPA compendium of research related to determining safe levels and setting new standards. |
| ASDWA_-_Association_of_State_Drinking_Water_Administrators Includes publications and position papers on a variety of technical and U.S. regulatory topics related to drinking water supply and its protection. |
| Association_of_Metropolitan_Water_Agencies Resources and information on drinking water related regulations and legislation. |
| Awwa_Research_Foundation International nonprofit organization sponsoring research on delivery of safe and affordable drinking water. Information on topics such as water treatment and distribution, groundwater management, moni |
| Bacteria/Microbe_-_Contaminant_Interactions USGS applied environmental engineering research project which focuses on monitoring of pathogens in US water supplies. Site tells how environmental microbiology is done, and describes facilities, cap |
| California_Urban_Water_Use Regional and statewide urban water use estimates derived from a database comprised of annual DWR surveys of urban water agencies used for urban water use forecasts. |
| California_Water_Association A consortium of investor-owned water utilities providing water utility services to customers throughout California. Site has information on drinking water standards, water treatment, and related topic |
| CBC_Backgrounder__Water_Treatment_Methods Primer on drinking water treatment, particularly methods used in Canada's public water supplies. |
| Drinking_Water_and_Health_Basics U.S. EPA Office of Ground Water and Drinking Water information on drinking water and health, including the National Primary Drinking Water Standards, fact sheets on specific drinking water contaminant |
| Drinking_Water_Information_Resources Comprehensive collection of information about the safety and quality of drinking water. |
| King_County_Drinking_Water A technical summary about where they get their drinking water in King County, who manages drinking water, and how it is managed. |
| Lifewater_Canada A Christian, non-profit organization helping rural poor (around the world) obtain safe drinking water. Lifewater Canada trains people to drill safe drinking water wells and build water pumps (hand |
| Magnesium_in_Drinking_Water Describes the health benefits of magnesium. |
| Mohawk_Valley_Water_Authority Offers water quality reports, list of board of directors, and information about the Safe Drinking Water Act. |
| My_Water_Supply A site to allow individuals and classrooms to discover, photograph, journal and share their local water supply with the world. |
| National_Drinking_Water_Clearinghouse Information primarily for and about small community drinking water systems. Includes fact sheets, educational materials, and information on water treatment technologies successfully used in small U.S. |
| National_Drinking_Water_Clearinghouse NDWC offers technical assistance and information about drinking water treatment, management, distribution, infrastructure, Safe Drinking Water Act regulations, and ground, surface and water conservati |
| Natural_Resources_Defense_Council Resources on drinking water, from levels of Arsenic in drinking water to the quality of bottled water. |
| Nevada_Source_Water_Protection Public education resources about water contaminants, their health effects, sources, management options, and how communities can protect their drinking water sources. |
| South_Central_Texas_Regional_Water_Planning SCTRWPG has been reviewing and evaluating water supply options for South Central Texas. Technical reports, presentations, general information, surveys, maps, and a guestbook can be found on this site |
| Sulfate_in_Drinking_Water Sulfate is a naturally occurring constituent in water. Site presents information on research by the U.S. EPA Office of Drinking Water into health aspects of sulphate in water. |
| TEX*A*Syst_--_Blackland_Research_Center_Water_Sciences_Laboratory TEX*A*Syst helps rural residents take decisive actions to preserve the quality of their drinking water, prevent water pollution, and protect health. |
| U_S__EPA_Drinking_Water_Standards_Program Existing and proposed U.S. standards for drinking water quality, standards enforcement, and current initiatives to evaluate the safety of specific substances in public water supplies. |
| Vinny\'s_NC_Water_Supply_&_AQ_Related_Material Information on public water supply, environmental reviews, links to files, and other information. |
| Water_Quality_Association Water Quality Association (WQA) is the international trade association representing the household, commercial, and industrial water quality improvement industry. |
| Wilkes_University_Drinking_Water_and_Environmental_Library Information on common drinking water quality concerns. |
| AccountPro_Software_Inc Equipment Maintenance 2002. Software for scheduling and tracking equipment maintenance by dates, hours, or mileage. |