21. Topology And Geometry A collection of educational, graphical and research software by Jeff Weeks. http://www.geometrygames.org/

Jeff Weeks’ Topology and Geometry Software Torus Games Eight familiar games introduce children age 10 and up to the concept of a finite yet unbounded universe. Mac OS X Windows XP info download Kali Children of all ages create beautiful art based on the 17 tiling patterns. Windows 95/XP , Mac Classic info download KaleidoTile Explore polyhedra and tessellations while creating colorful works of art. Windows 95/XP , Mac Classic info download Curved Spaces Math and physics students experience flight in a multiconnected universe. Mac OS X Windows XP info download Exploring the Shape of Space Two-week geometry unit introduces students grades 6-10 to multiconnected universes. info download SnapPea Researchers create and study 3-manifolds. Mac OS X , Linux, Mac Classic info download Recent Updates SnapPea Bug fixes: corrects bad Chern-Simons values corrects unresponsive Dehn filling coefficients Kali Swedish added, thanks to sa Kronkvist

22. Chapter 5: Topology Common physical topologies for computer networks are introduced. The advantages and disadvantages of the linear bus, star, starwired ring, http://fcit.usf.edu/network/chap5/chap5.htm

What is a Topology? The physical topology of a network refers to the configuration of cables, computers, and other peripherals. Physical topology should not be confused with logical topology which is the method used to pass information between workstations. Logical topology was discussed in the Protocol chapter . Main Types of Physical Topologies The following sections discuss the physical topologies used in networks and other related topics. Linear Bus Star Star-Wired Ring Tree ... Summary Chart Linear Bus A linear bus topology consists of a main run of cable with a terminator at each end (See fig. 1). All nodes (file server, workstations, and peripherals) are connected to the linear cable. Ethernet and LocalTalk networks use a linear bus topology. Fig. 1. Linear Bus topology Advantages of a Linear Bus Topology Easy to connect a computer or peripheral to a linear bus. Requires less cable length than a star topology. Disadvantages of a Linear Bus Topology Entire network shuts down if there is a break in the main cable. Terminators are required at both ends of the backbone cable.

23. Topology - Definition From The Merriam-Webster Online Dictionary Definition of topology from the MerriamWebster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. http://www.merriam-webster.com/dictionary/topology

Home Visit Our Sites Unabridged Dictionary Learner's Dictionary ... Contact Us Also Visit: Unabridged Encyclopedia Britannica Visual ESL: Learner's for Kids: Spell It! Word Central Dictionary Thesaurus Spanish/English Medical Search "topology" in: Thesaurus Spanish/English Medical Dictionary Open Dictionary Browse words next to: topology Browse the Dictionary: A B C D ... Z topology 3 entries found. topology top- point set topology Main Entry: Pronunciation: Function: noun Inflected Form(s): plural Etymology: International Scientific Vocabulary Date:  topographic study of a particular place specifically  the history of a region as indicated by its topography 2 a  a branch of mathematics concerned with those properties of geometric configurations (as point sets) which are unaltered by elastic deformations (as a stretching or a twisting) that are homeomorphisms  the set of all open subsets of a topological space b configuration topology topology noun Learn more about "topology" and related topics at Britannica.com Find Jobs in Your City Pronunciation Symbols Products ... Advertising Info

24. Topology Proceedings topology PROCEEDINGS publishes two issues each year. Issue No. 1 contains the proceedings of the Spring topology and Dynamics Conference and it is published http://topology.auburn.edu/tp/

25. Oxford Journals | Mathematics & Physical Sciences | Journal Of Topology , information for authors, search function, free samples issue,......Publishes papers in topology, geometry and adjacent areas of mathematics. http://jtopol.oxfordjournals.org/

@import "/resource/css/main.css"; @import "/resource/css/homepage.css"; @import "/resource/css/journal.css"; @import "/resource/css/jtopol.css"; @import "/resource/css/progress.css"; Skip Navigation Oxford Journals Contact Us My Basket ... My Account Journal of Topology About This Journal Contact This Journal Subscriptions Current Issue ... Oxford Journals Journal of Topology Read This Journal View Current Issue (Volume 1 Issue 1 January 2008) Advance Access Browse the Archive New to Oxford Journals in 2008 - free access The Journal of Topology publishes papers of high quality and significance in topology, geometry and adjacent areas of mathematics. Interesting, important and often unexpected links connect topology and geometry with many other parts of mathematics, and the editors welcome submissions on exciting new advances concerning such links, as well as those in the core subject areas of the journal. The Journal of Topology will appear in quarterly issues with articles posted individually online, and will be made freely available online in its first year. Search This Journal Advanced search Related Journals Bulletin of the London Mathematical Society Journal of the London Mathematical Society Proceedings of the London Mathematical Society The Quarterly Journal of Mathematics Reader Services Read volume 1 free online Subscribe to the Journal of Topology The Journal About the journal Dispatch date of the next issue Editorial Board View full editorial board Published on behalf of

26. 54 General Topology topology is the study of sets on which one has a notion of closeness enough to decide which functions defined on it are continuous. http://www.math.niu.edu/~rusin/known-math/index/54-XX.html

27. Topology.org - Ak S Personal Web Site Offering a great deal of personal information about Alan, as well as extensive links, personal thoughts, software library and Linux section. http://www.topology.org/

28. Nsf.gov - Funding - Topology - US National Science Foundation (NSF) Supports research on algebraic topology, including homotopy theory, ordinary and extraordinary homology and cohomology, cobordism theory, and Ktheory; http://www.nsf.gov/funding/pgm_summ.jsp?pims_id=5551

29. Topology Web Site The research community, however, has not seen many systematic empirical studies of how the Internet topology evolves over time and in space. http://topology.eecs.umich.edu/

Topology Project The exponential growth of the number of Internet hosts has been well documented in the trade press. The research community, however, has not seen many systematic empirical studies of how the Internet topology evolves over time and in space. Most recently, the authors of [FFF99] report on several power-law relationships observed on Autonomous Systems' (AS) connectivity degree, degree frequencies, and the neighborhood size within any given hop count from an AS. This pioneering work represents a first important step toward a better understanding of the dynamic nature of Internet topology, a topic we explore further in this project. PIs: Ramesh Govindan Sugih Jamin Scott Shenker Walter Willinger Students: Hyunseok Chang Cheng Jin Hongsuda Tangmunarunkit Jared Winick ... Inter-AS Traffic Demand Model Data Sets Papers: To Peer or not to Peer: Modeling the Evolution of the Internet's AS-level Topology in Proc. of IEEE Infocom, 2006. An Empirical Approach to Modeling Inter-AS Traffic Matrices in Proc. of ACM Internet Measurement Conference, 2005. Towards Capturing Representative AS-Level Internet Topologies Computer Networks Journal, Volume 44, Issue 6, pp 737-755, April, 2004.

30. British Topology Home Page A source of pointers to topologyrelated sites, including archives and conference announcements. http://www.maths.gla.ac.uk/~ajb/btop.html

Number of non-local hits since 26 August 1997 The British Topology Home Page Rotating Immortality - a Möbius Band in the form of a Trefoil Knot by John Robinson with graphics by Ronnie Brown and Cara Quinton. Borrowed from `Symbolic Sculptures and Mathematics' This site is intended to act as a convenient source of pointers to Topology-related sites, including archives and conference announcements. It is not intended to be part of a British archive as such, but pointers to useful sites will be included to form a `nonlocalised' archive. Although intended mainly for British and general European use, it will include references to other parts of the world. To have items included, either email them to me or (preferably) send addresses of existing web documents. Conference notices and other items with a finite lifetime will normally be removed when the advertised events have occurred. Please let me know of any errors or links that you would like to see included. I would be grateful for comments on the structure and contents of this site. Anyone wishing to set up and maintain a subsidiary page of this site is encouraged to do so. Andrew Baker email Topologists' Home Pages - includes the Database of Topologists Topology Photo Gallery Topology groups Topology seminars and other regular activities ... Conferences and meetings on Topology and related topics This is now maintained by Sarah Whitehouse to whom all items for inclusion should be sent Topology resources Past and future British Topology Meetings Some comments by Frank Adams

31. Links To Low-dimensional Topology Topics General, Conferences, Pages of Links, Knot Theory, 3manifolds, Journals. http://www.math.unl.edu/~mbrittenham2/ldt/ldt.html

Links to low-dimensional topology Any comments/suggestions? Send them to me! Enter your comments here: Most recent additions: hard to say, I've stopped keeping track... This page was getting just a little too large, so I've cut it into pieces. General Conferences Pages of Links Knot Theory ... Home pages

32. The Geometry Junkyard: Geometric Topology This area of mathematics is about the assignment of geometric structures to topological spaces, so that they look like geometric spaces. http://www.ics.uci.edu/~eppstein/junkyard/topo.html

Geometric Topology This area of mathematics is about the assignment of geometric structures to topological spaces, so that they "look like" geometric spaces. For instance, compact two dimensional surfaces can have a local geometry based on the sphere (the sphere itself, and the projective plane), based on the Euclidean plane (the torus and the Klein bottle), or based on the hyperbolic plane (all other surfaces). Similar questions in three dimensions have more complicated answers; Thurston showed that there are eight possible geometries, and conjectured that all 3-manifolds can be split into pieces having these geometries. Computer solution of these questions by programs like SnapPea has proved very useful in the study of knot theory and other topological problems. Acme Klein Bottle . A topologist's delight, handcrafted in glass. Are most manifolds hyperbolic? From Dave Rusin's known math pages. Bending a soccer ball mathematically . Michael Trott animates morphs between a torus and a double-covered sphere, to illustrate their topological equivalence, together with several related animations. Boy's surface: Wikipedia MathWorld Geometry Center , and an asymmetric animated gif from the Harvard zoo Constructing Boy's surface out of paper and tape.

33. Geometry And Topology Address Book This menu offers searchable Web and WAIS access to the list of email addresses in geometry and topology maintained by Andrew Nicas and others. http://www.math.ufl.edu/math/abook-menu.html

Geometry and Topology Address Book This page was last modified on May 07, 1997 Please report problems to cws@math.ufl.edu. Table of Contents Additions and corrections Search the address book WAIS remarks FTP and mail servers ... List maintainers Additions and Corrections We are trying out an enhancement which should simplify email submission of addresses and corrections to the list maintainers. If you don't receive email confirmation from one of us, please resend your message to one of the list maintainers in the usual way. You must have a Web browser that supports HTML forms in order to use the next item. If you do not see text editing areas below then your browser does not support forms. Enter your message in the areas provided below. Be sure to fill out all of the fields and please, please specify your preferred versions of your name and email address in the message body since return addresses can be hard to decipher. Your Name Your Email Address Text: Click to submit your message. Click to clear your message and start over.

34. Essays About Algebraic Topology Essays about algebraic topology. Survey articles for the general public. topology articles from Eric Weisstein s World of Mathematics, sponsored by http://www.lehigh.edu/~dmd1/essays.html

Essays about algebraic topology Survey articles for the general public Topology articles from Eric Weisstein's World of Mathematics , sponsored by wolfram.com. Geometry/topology section of Mathematical Atlas , coordinated by Dave Rusin (Northern Illinois Univ) What is topology? , by Bob Bruner (Wayne State Univ) What is algebraic topology? , by Joe Neisendorfer (Univ of Rochester) What is topology? , by Neil Strickland (Univ of Sheffield) Encyclopedia article about topology , by Don Davis (Lehigh Univ) What is Topology (intro to course) , by Zbigniew Fiedorowicz (Ohio State Univ) What is topology , by Kevin Iga (Pepperdine Univ) What is topology , by Jussi Talsi (Finland). A brief history of topology by Artur Gorka (Clemson Univ) History of Topology (early years) , from St Andrews Univ History of Math archive. Algebraic topology entry in Wikipedia (online encyclopedia) Survey articles about topics in topology, written for nonspecialists with some knowledge of mathematics Higher dimensional group theory , by Ronald Brown (Univ of Wales, Bangor) Knot Theory , by knot group at Univ of Wales, Bangor

35. Geometry & Topology Outdated Archival Version. These pages are not updated anymore. They reflect the state of 21 Apr 2006. For the current production of this journal, http://www.emis.ams.org/journals/GT/

Outdated Archival Version These pages are not updated anymore. They reflect the state of 21 Apr 2006 . For the current production of this journal, please refer to http://msp.warwick.ac.uk/

36. AMS Online Books/COLL27 Algebraic topology text published by the American Mathematical Society (AMS), and available as a free download in PDF format. http://www.ams.org/online_bks/coll27/

Title List Help AMS Home AMS Bookstore Algebraic Topology by Solomon Lefschetz Publication Date: 1942 Number of Pages: 389 pp. Publisher: AMS ISBN: 0-8218-3397-9 COLL/27.E Download Individual Chapters FREE (10 files - 41.5mb) Frontmatter Title Contents Preface Introduction to General Topology Additive Groups Complexes Complexes: Products. Transformations. Subdivisions ... Endmatter Appendices Bibliography and Indexes Comments: webmaster@ams.org Privacy Statement Search the AMS

37. Matthew G. Brin Home Page Course notes by Matthew G. Brin in PostScript including Introduction to Differential topology , Introduction to Seifert fibered 3manifolds , http://www.math.binghamton.edu/matt/

Matthew G. Brin Professor Ph.D., 1977, University of Wisconsin-Madison At Binghamton since 1978 Areas of interest: Geometric topology, Combinatorial group theory Summary of research interests Math Reviews list of published papers . (Institutional subscription to MathSciNet is needed for viewing.) E-mail: matt@math.binghamton.edu Phone: Fax: Office: LN 2244 Office hours: Courses: Spring 2008 Math 221 Section 05: Calculus I MWF R AA-G21 Ph. D. Students: Olga Salazar-Diaz, Spring, 2006 Thesis: Thompson's Group V From A Dynamical Viewpoint Collin Bleak, Summer, 2005 Thesis: Solvability in Groups of Piecewise Linear Homeomorphisms of the Unit Interval John Donnelly, Summer, 2003 Thesis: Properties of Richard Thompson's group F related to amenability Course information for Math 375, Complex Variables Publication list BibTeX entries for my publications as supplied by the AMS. ArXiv postings I have made. I am not very organized about posting to the ArXiv or keeping the versions there up to date. Vita Me , in what used to be a common pose. A (very short) list of preprints that can be downloaded.

38. Topology : Network : GÉANT2 GÉANT2 topology. The GEANT2 network, shown below, connects 34 countries through 30 GÉANT2 topology (map only). Network design for GÉANT2 has focused on http://www.geant2.net/server/show/conWebDoc.1144

search [advanced search] sitemap contact Topology ... Print this page G‰ANT2 Topology The GEANT2 network, shown below, connects 34 countries through 30 national research and education networks (NRENs). Network design for G‰ANT2 has focused on maximising operational and service flexibility. Handling the development of traffic patterns is crucial to the success of the network. The network architecture makes use of a flexible structure based on a combination of routed IP and switched components. The roll-out of the G‰ANT2 network is almost complete: All of the network's 25 Points of Presence (PoPs) are fully equipped and in service. 43 of the network's total of 44 routes are fully installed and operational, with just one of the 18 dark fibre routes still in preparation. The first links came into service in early December 2005, between Switzerland and Italy, and Switzerland and Germany, respectively. Multiple 10Gbps wavelengths are being employed in the network's core. G‰ANT2 G‰ANT EUMED­CONNECT ALICE ... DANTE Web Archive LOGIN HERE username password [email my password] Project partners: register here See Also [pdf] G‰ANT2 Topology - January 2008 PDF poster (best printed at A3 size) showing the G‰ANT2 network, including dark fibre connections

39. CAIDA Analysis Topology As_core_network The graph reflects 926201 IP addresses and 2000796 IP links (immediately adjacent addresses in a traceroutelike path) of topology data gathered from 22 http://www.caida.org/analysis/topology/as_core_network/

40. Market-topology.com Provides visualization tools of the stock market fluctuations. http://www.market-topology.com/

Welcome to the Impactopia services! Impactopia is a set of analytic tools dedicated to unravel relationships between financial instruments. Every day, thousands of securities are traded in various markets around the world. We have developed an engine which allows traders to visualize/analyze the fluctuations of the financial markets. This site features this application on US equities. Due to fundamental relationships between companies, to the propagation of information and to subtle connections between traders, some correlations between stocks exist. If a stock is negatively influenced by some announcement, what is the scenario for other stocks in the same sector? The engine we developed emphasizes the relevant correlations which connect the equities. We consider here about 4,500 US equities traded on the NYSE, AMEX, and Nasdaq markets. In order to compare the price fluctuations of those equities, we compute the correlations for all possible pairs, i.e. about 10 million pairs. The engine developed by Impactopia helps sorting out the millions of correlation coefficients. A user can query the database for calculating lists of top correlated pairs of stocks, lists of anticorrelated pairs, and lists of correlated stocks to any equity. In addition, a procedure selects the highest coefficients for placing them in a connected graph which is a tree. Such a tree represents the skeleton of the price fluctuations relationships in the market. Traders can learn a lot from such trees. The market leaders are always placed in the center of the tree, and sectors leaders have many strongly connected neighbors. Several sectors emerge out of the statistical analysis, they are clusters/branches of the tree. Nearest neighbors of an equity have a high probability to belong to the same sector.

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