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Topic: Extension problem


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In the News (Wed 23 Dec 09)

  
 Extension problem -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-08)
More generally, if G is a (Click link for more info and facts about semidirect product) semidirect product of K and H, then G is an extension of K by H, so such products as the (Click link for more info and facts about wreath product) wreath product provide further examples of extensions.
The (Click link for more info and facts about classification of finite simple groups) classification of finite simple groups gives us a complete list of finite simple groups; so the solution to the extension problem gives us enough information to construct and classify all finite groups in general.
We can use the language of diagrams to provide a more flexible definition of extension: a group G is an extension of a group K by a group H if and only if there is an (Click link for more info and facts about exact sequence) exact sequence:
www.absoluteastronomy.com /encyclopedia/E/Ex/Extension_problem.htm   (319 words)

  
 FP 2003 Extension Problem   (Site not responding. Last check: 2007-10-08)
RE: FP 2003 Extension Problem - 11/11/2004 7:02:37
RE: FP 2003 Extension Problem - 11/11/2004 17:28:20
RE: FP 2003 Extension Problem - 11/12/2004 7:32:27
www.frontpagewebmaster.com /fb.asp?m=235359   (606 words)

  
 Chapter 10 - Implementing strategic extension campaigns
Its extension strategies and messages are specifically developed and tailored based on the results of a participatory problem identification process on the causes or reasons for farmers' nonadoption, or inappropriate practices, of a given recommended agricultural technology or innovation.
This participatory approach extension method is responsive to intended beneficiaries' agricultural development problems and information needs because its extension objectives, strategies, methods, messages, and multimedia materials are specifically developed on the basis of survey results of their knowledge, attitudes, and practices (KAP) vis-a-vis the recommended agricultural technologies.
One of the most common problems or constraints of a national extension service is the shortage of field extension personnel to reach large numbers of farmers in widely spread geographical areas with inadequate transportation.
www.fao.org /docrep/w5830E/w5830e0c.htm   (4187 words)

  
 Maybe this Explains the Economic Cycle... best Extension Problem   (Site not responding. Last check: 2007-10-08)
On The Extension Problem For Partial Permutations On The Extension Problem For Partial Permutations A family of pseudovarieties of solvable groups is constructed, each of which has decidable membership and undecidable extension problem for...
Approximation Algorithms for the 0-Extension Problem Approximation Algorithms for the 0-Extension Problem In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals.
Extension Problem -- from MathWorld Extension Problem -- from MathWorld Given a subspace A of a space X and a map from A to a space Y, is it possible to extend that map to a map from X to Y? See also: Lifting Problem http://mathworld.wolfram...
ascot.pl /th/Fourier3/Extension-Problem.htm   (576 words)

  
 Encyclopedia: Extension problem   (Site not responding. Last check: 2007-10-08)
In mathematics, for G a group or algebra over a field, or other algebraic structure, G′ is an extension of G if there is an exact sequence.
See also central extension, extension problem, field extension.
In the history of mathematics, the origins of group theory lie in the search for a proof of the general unsolvability of quintic and higher equations, finally realized by Galois theory.
www.nationmaster.com /encyclopedia/Extension-problem   (582 words)

  
 Glockmeister mag extension problem? - Glock Talk   (Site not responding. Last check: 2007-10-08)
The problem is that they don't feed reliably at all.
That causes a misalignment of the tube to the extension, and the a place for the internals to bind up.
The only problem now is you may have messed up your mags in a way that they won't work.
glocktalk.com /sitemap/topic/89692-1.html   (496 words)

  
 Approximation Algorithms for the 0-Extension Problem - Calinescu, Karloff, Rabani (ResearchIndex)   (Site not responding. Last check: 2007-10-08)
Abstract: In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals.
This problem generalizes the multiway cut problem of Dahlhaus, Johnson, Papadimitriou, Seymour, and Yannakakis and is closely related to the metric...
Approximation algorithms for the 0-extension problem, this proceedings.
citeseer.ist.psu.edu /375653.html   (478 words)

  
 The NP completeness of the edge precoloring (ResearchIndex)   (Site not responding. Last check: 2007-10-08)
extension problem on bipartite graphs Jir'i Fiala Department of Applied...
Abstract: We show that the following problem is NP complete: Let G be a cubic bipartite graph and f be a precoloring of a subset of edges of G using at most three colors.
Can f be extended to a proper edge 3-coloring of the entire graph G? This result provides a natural counterpart to classical Holyer's result on edge 3-colorability of cubic graphs and a strengthening of results on precoloring extension of perfect graphs.
citeseer.ist.psu.edu /649487.html   (256 words)

  
 An Improved Approximation Algorithm for the 0-Extension Problem - Fakcharoenphol, Harrelson, Rao, Talwar (ResearchIndex)   (Site not responding. Last check: 2007-10-08)
Calinescu, Karlo# and Rabani gave an O(log k) approximation algorithm based on a linear programming relaxation for the problem, where k is the number of terminals.
An improved approximation algorithm for the 0-extension problem.
10 Approximation algorithms for the 0-extension problem - Calinescu, Karlo et al.
citeseer.lcs.mit.edu /635522.html   (418 words)

  
 Closed subgroups in pro-V topologies and the extension problem for inverse automata - Margolis, Sapir, Weil ...   (Site not responding. Last check: 2007-10-08)
In particular, they showed that the extension problem for H is decidable if there exists an...
Margolis, M. Sapir, and P. Weil, Closed subgroups in pro-V topologies and the extension problem for inverse automata, tech.
14 topology of a free group and algorithmic problems in semigro..
citeseer.ist.psu.edu /margolis99closed.html   (616 words)

  
 A Convex Optimization Approach to the Rational Covariance Extension Problem - Byrnes, Gusev, Lindquist (ResearchIndex)   (Site not responding. Last check: 2007-10-08)
Abstract: In this paper we present a convex optimization problem for solving the rational covariance extension problem.
Given a partial covariance sequence and the desired zeros of the modeling filter, the poles are uniquely determined from the unique minimum of the corresponding optimization problem.
In this way we obtain an algorithm for solving the covariance extension problem, as well as a constructive proof of Georgiou's seminal existence result and his conjecture, a stronger version of which we...
citeseer.lcs.mit.edu /byrnes99convex.html   (428 words)

  
 Immihelp Forums - H-1 extension problem, going for CP interview in July   (Site not responding. Last check: 2007-10-08)
My employer has file for h1- extension and it has not been approved yet.
And I do not expect the extension to be approved before I go for interview in July.
I would however like to know any response you may get to your question, if it is legal advice ort through the board, and appreciat if you can keep the board updated on your situation.
www.immihelp.com /forum/printthread.php?t=1734   (142 words)

  
 On The Extension Problem For Partial Permutations (ResearchIndex)   (Site not responding. Last check: 2007-10-08)
Abstract: A family of pseudovarieties of solvable groups is constructed, each of which has decidable membership and undecidable extension problem for partial permutations.
3 Undecidability of the identity problem for nite semigroups (context) - Albert, Baldinger et al.
3 hyperdecidability and the identity problem for nite semigrou..
citeseer.ist.psu.edu /467875.html   (616 words)

  
 [No title]   (Site not responding. Last check: 2007-10-08)
In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals.
Our goal is to a ssign the rest of the nodes to terminals so as to minimize the sum, over all edges, of the product of the edge's weight and the distance between the terminals to which its endpoints are assigned.
This problem generalizes the multiway cut problem of Dahlhaus, Johnson, Papadimitriou, Seymour, and Yannakakis and is closely related to the metric labeling problem introduced by Kleinberg and Tardos.
www.cs.berkeley.edu /~elitza/Seminars/Abstracts/5-25-00.html   (206 words)

  
 CDC99-SIAM0007   (Site not responding. Last check: 2007-10-08)
ABSTRACT: In this paper we present an algorithm for solving the rational covariance extension problem with degree constraint.
Given a partial covariance sequence and the desired zeros of the modeling filter, the poles are uniquely determined by the unique minimum of a convex optimization problem, which turns out to be the dual, in the sense of mathematical programming, of a problem to maximize a generalized entropy gain subject to linear constraints.
This also provides a constructive proof of a longstanding conjecture of Georgiou: In 1983 Georgiou proved, by topological methods, that such poles always exist and conjectured that they are unique.
nt1.rsip.lsu.edu /cebopenweb/conferences/cdc99/T-Program/program/Manuscripts/CDC99-SIAM0007.htm   (130 words)

  
 WebDeveloper.com - File extension problem
well, its is not the case for that extension, but if i can give you a useful link -> http://filext.com and enter your extension,e.g.
The problem for me lies in changing some of the text.
If you can't get the source file then the only other possibility is to patch the executable but that is only possible for very small changes and requires a thorough knowledge of what all of the machine code means.
www.webdeveloper.com /forum/showthread.php?threadid=78746   (1944 words)

  
 Apple - Support - iBook - Expanded Logic Board Repair Extension Program - FAQ
This expansion to the iBook Logic Board Repair Extension Program is the inclusion of certain additional iBooks to the existing program.
The Expanded iBook Logic Board Repair Extension Program is a worldwide program covering repair or replacement of the logic board in iBook models manufactured between May 2001 and October 2003 that are experiencing specific component failures.
It is possible that your iBook may exhibit display issues, or other issues, that are unrelated to the specific component identified by Apple as part of this program and are not covered under this program.
www.apple.com /support/ibook/faq   (871 words)

  
 [PHP-DEV] PHP extension module problem
Hello, I am actually working on a PHP extension module writen in C and I have a problem I cannot resolve for weeks : it runs perfectly when PHP is configured as a CGI script but not when PHP is an Apache module (httpd is no more responding after a few requests).
When attempting another request, the httpd is not responding and the logs in my application show me that it stopped processing during execution of my program.
If I changed the C program, it will stop at another point as if something was wrong in the memory and the problem could appear at any moment...
www.mail-archive.com /internals@lists.php.net/msg12195.html   (185 words)

  
 RootTalk: RE: [ROOT] Macro file extension problem
Rene Brun On Tue, 26 Mar 2002, Gerco Onderwater wrote: > On Tue, 26 Mar 2002, Philippe Canal wrote: > > > Hi Gerco, > > > > When the macro has the extension '.c' (lower c), it is considered > > a C macro (as opposed to C++).
I never before had problems with the `.c' extension.
I > have several hundreds of macros lying around to testify that, which, > admittedly, were mostly used with the ancient version 2.25.
root.cern.ch /root/roottalk/roottalk02/1422.html   (390 words)

  
 *.ogm Extension problem(really wierd) - Video Codecs
OK, i have been playing.ogm for months with no problem.
I even have a series of episodes and even though they are the same encode they stop playing after the first 6 play fine.
When I play it does not give me an error message, it simply plays the file no video or sound, but the counter does go.
www.moviecodec.com /topics/4137p1.html   (164 words)

  
 Extension problem Mac OS X (launching of external jar doesn't work)   (Site not responding. Last check: 2007-10-08)
My java application use the extension mechanism (see: http://java.sun.com/docs/books/tuto...cs/install.html) which works very well under windows and linux.
The jar of "SubApp" has to be located therefore in the java extension folder, which is the case.
You've said that putting the jar into the extensions locations isn't working -- and have described putting it into two locations that could not possibly work for 1.4.2 (notice the directory paths you provided, which explicitly apply to 1.3.1 and 1.4.1).
www.codecomments.com /message285922.html   (1589 words)

  
 Obstructions for 2-Möbius band embedding extension problem - Juvan, Mohar (ResearchIndex)   (Site not responding. Last check: 2007-10-08)
An algorithm is presented which in linear time extends the embedding of K to an embedding of G, if such an extension is possible, or finds a "nice" obstruction for such embedding extensions.
Juvan, B. Mohar, Obstructions for 2-Mobius band embedding extension problem, SIAM J. Discrete Math., in press.
3 Universal obstructions for embedding extension problems (context) - Mohar
citeseer.ist.psu.edu /364652.html   (368 words)

  
 FP server extension problem   (Site not responding. Last check: 2007-10-08)
You have an internal or intranet server that is not configured for server exts and a co-worker who says it will never work.
If you have elements that need server extensions, it will warn you that these won't work (or something like that)...just click OK and it'll continue publishing.
But another problem I'm having is with IE5 - when I tried the web earlier after importing into FP (before I reloaded FP) I was trying to use it in IE and get the error "Web page unavailable while offline.
www.frontpagewebmaster.com /m-3519/printable.htm   (525 words)

  
 siteaccess problem with extension / Bugs / Community   (Site not responding. Last check: 2007-10-08)
The extension works without any problems in the siteaccess "en" and "cn".
The "module.php" of the extensions gets called, but after that the error happens.
It might be problem with your ezurlalias table.
ez.no /community/bugs/siteaccess_problem_with_extension   (260 words)

  
 [SDL] SDL-cvs and XFree86 extension problem   (Site not responding. Last check: 2007-10-08)
Hello, I always build SDL in a different directory, to not pollute the original source tree, and to compile it for several targets (Linux and Atari) from the same source tree.
Unfortunately, a little problem came when compiling the linux version: included Xfree includes in the SDL archive are not found.
It does not work for me (maybe a spelling error), but you get the idea for what is needed.
www.libsdl.org /pipermail/sdl/2002-June/046648.html   (108 words)

  
 Apple - Support - 15-inch PowerBook G4 Display Repair Extension Program
The 15-inch PowerBook G4 Repair Extension Program is a worldwide program covering replacement of LCDs that exhibit these white spots.
Apple will continue to evaluate the repair data and will provide further repair extensions as needed.
To be reimbursed, please call the Apple contact center in your country.
www.apple.com /support/powerbook/displayprogram   (745 words)

  
 Programming Help - Soap Extension Problem   (Site not responding. Last check: 2007-10-08)
Techie One is a free, independent resource made available to you by a group of volunteers.
And the Soap Extension and Attribute are the same as the code from MSDN.
It sounds like the soap extension is not implemented properly.
www.techieone.com /detail-8768635.html   (1001 words)

  
 Continuing extension problem   (Site not responding. Last check: 2007-10-08)
But the problem is, it opens up in my Microsoft Works spreadsheet.
Windows looks at the group of characters after the last period in a name.
You need to rename your file so the extension is exe not xlr.
windows-questions.org /ftopic20471.html   (3367 words)

  
 broadband » Forums » Mozilla Software » [Extension] BBR extension problem
I also was having problems with the extension.
Early on when I had this problem I noticed going through followed that I may have cleared a forum where a followed topic had a n update.
Ideally, leave your account with no updated topics visible and the extension saying there are N updated topics and i'll investigate.
www.dslreports.com /forum/remark,14187351   (988 words)

  
 FP server extension problem solved.   (Site not responding. Last check: 2007-10-08)
It has to be said I would not have solved it without the help of your site; I trolled through some of the other threads and found my answer in amongst them.
I basically had to rebuild the form page from scratch that sorted the problem first time.
For anyone who has a problem and reads this thread persevere you will probably find the answer.
www.frontpagewebmaster.com /m-226595/printable.htm   (92 words)

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