hi i find gap software
plese guid me to work with it On 9/14/10, forum-requ...@gap-system.org <forum-requ...@gap-system.org> wrote: > Send Forum mailing list submissions to > forum@mail.gap-system.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://mail.gap-system.org/mailman/listinfo/forum > or, via email, send a message with subject or body 'help' to > forum-requ...@mail.gap-system.org > > You can reach the person managing the list at > forum-ow...@mail.gap-system.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Forum digest..." > > > Today's Topics: > > 1. Re: GAP mode for emacs (Attila Egri-Nagy) > 2. Re: GAP mode for emacs (Ivan Andrus) > 3. bad bags (Attila Egri-Nagy) > 4. Re: bad bags (Alexander Konovalov) > 5. Re: bad bags (Attila Egri-Nagy) > 6. Lectureship at Heriot-Watt (Jim Howie) > 7. question (Elaheh khamseh) > 8. algorithmic algebraic topology (Ellis, Grahamj) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 24 Aug 2010 10:00:39 +0100 > From: Attila Egri-Nagy <a.egri-n...@herts.ac.uk> > Cc: fo...@gap-system.org > Subject: Re: [GAP Forum] GAP mode for emacs > Message-ID: > <aanlktikkik+behamexa0kvfqh+ndbxxnmfpxri4qt...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Hi, > > It is crazy but I've been using python-mode for gap files. It gets the > comments and strings right, at least... > > attila > > > On Tue, Aug 24, 2010 at 1:39 AM, Rafael <rvf0...@gmail.com> wrote: > >> Ivan Andrus <darthand...@gmail.com> >> writes: >> >> > I have been using gap-mode for emacs version 1.96 by Michael Smith. >> > There are a few things that I would like to add, principally syntax >> > highlighting. Has anyone else done this that I couldn't find? Would >> > there be interest in an updated version with some improvements? >> >> This is what I use. It is really far from perfect, but it is something... >> >> (defun add-custom-keyw() >> "adds a few special keywords for gap mode" >> (font-lock-add-keywords nil >> '( >> ("\\bif\\b\\|then\\|else\\|elseif" . 'font-lock-keyword-face ) >> ("while\\|\\bdo\\b\\|\\bfi\\b" . 'font-lock-keyword-face ) >> ("\\bend\\b\\|return\\|\\bnot\\b\\|function\\|\\blocal\\b" . >> 'font-lock-keyword-face ) >> ("\\bfor\\b\\|\\bin\\b\\|\\bod\\b\\|\\bmod\\b\\|\\band\\b" . >> 'font-lock-keyword-face ) >> ("true\\|false" . 'font-lock-constant-face ) >> ("Print\\|Length\\|\\bOrbits\\b\\|Subsets\\|Difference" . >> 'font-lock-function-name-face ) >> ("List\\|OnSets\\|Group\\|Intersection" . >> 'font-lock-function-name-face ) >> ("IsTransitive\\|OnTuples\\|Concatenation\\|Filtered" . >> 'font-lock-function-name-face ) >> ("Add\\|Sum\\|SymmetricGroup\\|Filtered\\|RightCosets" . >> 'font-lock-function-name-face ) >> ("Eigenvalues\\|Rationals\\|" . 'font-lock-function-name-face ) >> ("\\bCharacteristicPolynomial\\b" . 'font-lock-function-name-face ) >> ("Filtered\\|RightCosets" . 'font-lock-function-name-face ) >> ("#.*" . font-lock-comment-face) >> ))) >> (add-hook 'gap-mode-hook 'add-custom-keyw) >> >> >> _______________________________________________ >> Forum mailing list >> Forum@mail.gap-system.org >> http://mail.gap-system.org/mailman/listinfo/forum >> > > > ------------------------------ > > Message: 2 > Date: Tue, 24 Aug 2010 14:11:07 +0200 > From: Ivan Andrus <darthand...@gmail.com> > To: GAP Forum <fo...@gap-system.org> > Subject: Re: [GAP Forum] GAP mode for emacs > Message-ID: <de4af286-dac0-450d-9d25-e35cc7d7d...@gmail.com> > Content-Type: text/plain; charset=us-ascii > > Cool, thanks Rafael. I think I may create an improved gap-mode which > includes this (or some derivative thereof, though it may take some time > since I'm a bit busy right now. > > -Ivan > > On Aug 24, 2010, at 11:00 AM, Attila Egri-Nagy wrote: > >> Hi, >> >> It is crazy but I've been using python-mode for gap files. It gets the >> comments and strings right, at least... >> >> attila >> >> >> On Tue, Aug 24, 2010 at 1:39 AM, Rafael <rvf0...@gmail.com> wrote: >> >>> Ivan Andrus <darthand...@gmail.com> >>> writes: >>> >>>> I have been using gap-mode for emacs version 1.96 by Michael Smith. >>>> There are a few things that I would like to add, principally syntax >>>> highlighting. Has anyone else done this that I couldn't find? Would >>>> there be interest in an updated version with some improvements? >>> >>> This is what I use. It is really far from perfect, but it is something... >>> >>> (defun add-custom-keyw() >>> "adds a few special keywords for gap mode" >>> (font-lock-add-keywords nil >>> '( >>> ("\\bif\\b\\|then\\|else\\|elseif" . 'font-lock-keyword-face ) >>> ("while\\|\\bdo\\b\\|\\bfi\\b" . 'font-lock-keyword-face ) >>> ("\\bend\\b\\|return\\|\\bnot\\b\\|function\\|\\blocal\\b" . >>> 'font-lock-keyword-face ) >>> ("\\bfor\\b\\|\\bin\\b\\|\\bod\\b\\|\\bmod\\b\\|\\band\\b" . >>> 'font-lock-keyword-face ) >>> ("true\\|false" . 'font-lock-constant-face ) >>> ("Print\\|Length\\|\\bOrbits\\b\\|Subsets\\|Difference" . >>> 'font-lock-function-name-face ) >>> ("List\\|OnSets\\|Group\\|Intersection" . >>> 'font-lock-function-name-face ) >>> ("IsTransitive\\|OnTuples\\|Concatenation\\|Filtered" . >>> 'font-lock-function-name-face ) >>> ("Add\\|Sum\\|SymmetricGroup\\|Filtered\\|RightCosets" . >>> 'font-lock-function-name-face ) >>> ("Eigenvalues\\|Rationals\\|" . 'font-lock-function-name-face ) >>> ("\\bCharacteristicPolynomial\\b" . 'font-lock-function-name-face ) >>> ("Filtered\\|RightCosets" . 'font-lock-function-name-face ) >>> ("#.*" . font-lock-comment-face) >>> ))) >>> (add-hook 'gap-mode-hook 'add-custom-keyw) >>> >>> >>> _______________________________________________ >>> Forum mailing list >>> Forum@mail.gap-system.org >>> http://mail.gap-system.org/mailman/listinfo/forum >>> >> _______________________________________________ >> Forum mailing list >> Forum@mail.gap-system.org >> http://mail.gap-system.org/mailman/listinfo/forum > > > > > ------------------------------ > > Message: 3 > Date: Wed, 25 Aug 2010 19:03:23 +0100 > From: Attila Egri-Nagy <a.egri-n...@herts.ac.uk> > To: GAP Forum <fo...@gap-system.org> > Subject: [GAP Forum] bad bags > Message-ID: > <aanlktikwpbu_d-b0j3nmeig30uozt39ffhhpo0emr...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Hello, > > We have been running large scale computation in GAP but sometimes we get > warning messages like > > #W bad bag id 608 found, 0 saved > > and then execution stops. Clearly this message comes from the garbage > collector, but what does it mean? > > Thanks! > > attila egri-nagy > > > ------------------------------ > > Message: 4 > Date: Sun, 29 Aug 2010 15:29:02 +0100 > From: Alexander Konovalov <al...@mcs.st-andrews.ac.uk> > To: Attila Egri-Nagy <a.egri-n...@herts.ac.uk> > Cc: GAP Forum <fo...@gap-system.org> > Subject: Re: [GAP Forum] bad bags > Message-ID: <submission.1opisc-0003gg...@mail.cs.st-andrews.ac.uk> > Content-Type: text/plain; charset=us-ascii > > Dear Attila, > > Are you attempting to save the workspace when this happens? > > The only line in the GAP kernel which may produce such message is in the > saving workspace mechanism, and its meaning is explained in the > documentation > for SaveWorkspace (see ?SaveWorkspace in GAP): > > === > SaveWorkspace may sometimes produce warning messages, as in > > gap> SaveWorkspace("b5"); > #W bad bag id 4 found, 0 saved > #W bad bag id 20 found, 0 saved > true > > A small number of such messages can probably be ignored (they arise because > the garbage collector may not always collect all dead objects, and dead > objects > may contain data that SaveWorkspace does not know how to process). > === > > Best wishes, > Alexander > > > On 25 Aug 2010, at 19:03, Attila Egri-Nagy wrote: > >> Hello, >> >> We have been running large scale computation in GAP but sometimes we get >> warning messages like >> >> #W bad bag id 608 found, 0 saved >> >> and then execution stops. Clearly this message comes from the garbage >> collector, but what does it mean? >> >> Thanks! >> >> attila egri-nagy >> _______________________________________________ >> Forum mailing list >> Forum@mail.gap-system.org >> http://mail.gap-system.org/mailman/listinfo/forum > > > -- > Dr. Alexander Konovalov School of Computer Science > & Centre for Interdisciplinary Research in Computational Algebra > University of St Andrews Tel +44/0 (1334) 461633 > http://www.cs.st-andrews.ac.uk/~alexk Fax +44/0 (1334) 463278 > The University of St Andrews is a charity registered in Scotland:No.SC013532 > > > > > > > > > > > ------------------------------ > > Message: 5 > Date: Sun, 29 Aug 2010 20:13:24 +0200 > From: Attila Egri-Nagy <a.egri-n...@herts.ac.uk> > To: Alexander Konovalov <al...@mcs.st-andrews.ac.uk> > Cc: GAP Forum <fo...@gap-system.org> > Subject: Re: [GAP Forum] bad bags > Message-ID: > <aanlktinfkp6hyfd9x82pmgvjotigb7go3kzfdo4on...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Dear Alexander, > > Yes, actually in our script we save workspaces at several stages. I > checked it again and it turns out that we get this message when we run > out of memory then the next command tries to save workspace. I guess > that explains that. > > Thank you for your help and sorry for missing that documentation entry. > > best, > attila > > > > On Sun, Aug 29, 2010 at 4:29 PM, Alexander Konovalov > <al...@mcs.st-andrews.ac.uk> wrote: >> Dear Attila, >> >> Are you attempting to save the workspace when this happens? >> >> The only line in the GAP kernel which may produce such message is in the >> saving workspace mechanism, and its meaning is explained in the >> documentation >> for SaveWorkspace (see ?SaveWorkspace in GAP): >> >> === >> SaveWorkspace may sometimes produce warning messages, as in >> >> gap> SaveWorkspace("b5"); >> #W bad bag id 4 found, 0 saved >> #W bad bag id 20 found, 0 saved >> true >> >> A small number of such messages can probably be ignored (they arise >> because >> the garbage collector may not always collect all dead objects, and dead >> objects >> may contain data that SaveWorkspace does not know how to process). >> === >> >> Best wishes, >> Alexander >> >> >> On 25 Aug 2010, at 19:03, Attila Egri-Nagy wrote: >> >>> Hello, >>> >>> We have been running large scale computation in GAP but sometimes we get >>> warning messages like >>> >>> #W bad bag id 608 found, 0 saved >>> >>> and then execution stops. Clearly this message comes from the garbage >>> collector, but what does it mean? >>> >>> Thanks! >>> >>> attila egri-nagy >>> _______________________________________________ >>> Forum mailing list >>> Forum@mail.gap-system.org >>> http://mail.gap-system.org/mailman/listinfo/forum >> >> >> -- >> Dr. Alexander Konovalov ? ? ? ? ? ? ? School of Computer Science >> & Centre for Interdisciplinary Research in Computational Algebra >> University of St Andrews ? ? ? ? ? ? ? ? Tel +44/0 (1334) 461633 >> http://www.cs.st-andrews.ac.uk/~alexk ? ?Fax +44/0 (1334) 463278 >> The University of St Andrews is a charity registered in >> Scotland:No.SC013532 >> >> >> >> >> >> >> >> > > > > ------------------------------ > > Message: 6 > Date: Mon, 30 Aug 2010 09:08:27 +0100 > From: Jim Howie <j.ho...@ma.hw.ac.uk> > To: fo...@gap-system.org > Subject: [GAP Forum] Lectureship at Heriot-Watt > Message-ID: <4c7b66fb.4030...@ma.hw.ac.uk> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Dear Colleague, > > Heriot-Watt University is advertising a lectureship in pure > mathematics. I'd be grateful if you would pass this message on > to anyone who may be interested. > > Thanks in advance, > > Jim Howie > Head of Mathematics > Heriot-Watt University > > -------------------------------------------------------- > Lectureship in Pure Mathematics - Ref 162/10/W > > Applications are invited for the post of Lecturer in Pure Mathematics. > Candidates should have a strong track record in some branch of pure > mathematics that will contribute to the dynamic mathematics research > environment within the Maxwell Institute, and be able to engage in our > undergraduate and postgraduate teaching programmes. > > The position is available from January 2011, or a mutually agreed date > thereafter. > > Informal enquiries about this position may be made to the head of > department, Professor Jim Howie (tel +44 (0) 131 451 3240, email > j.ho...@hw.ac.uk) > > Ref 162/10/W > Closing date: 30 September 2010 > > Further details available at > > http://www.hw.ac.uk/hr/v_academic.php#16210 > > > -- > Heriot-Watt University is a Scottish charity > registered under charity number SC000278. > > > > > ------------------------------ > > Message: 7 > Date: Mon, 13 Sep 2010 15:57:36 +0430 > From: Elaheh khamseh <elahehkham...@gmail.com> > To: fo...@gap-system.org > Subject: [GAP Forum] question > Message-ID: > <aanlktimzvj93kjmsu7funius4okepehg=n18lpzcq...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Dears > > Let G be a semidirect product of a normal subgroup elementery abelian > group of order p^4 and a cyclic group of order p. How can I copmute > its Schur multiplier ? > > > Do we have any information about the Schur multiplier of non-abelian > p-groups of order p^5? > > Yours; > E. Khamseh. > > > > ------------------------------ > > Message: 8 > Date: Tue, 14 Sep 2010 18:01:49 +0100 > From: "Ellis, Grahamj" <graham.el...@nuigalway.ie> > To: "GAP Forum" <fo...@gap-system.org> > Subject: [GAP Forum] algorithmic algebraic topology > Message-ID: > <47c2e007b3e98f4e8bbc7997f007ce1308bc3...@evs1.ac.nuigalway.ie> > Content-Type: text/plain; charset="iso-8859-1" > > Dear Forum, > > I hope it's OK to use this forum to advertize the following call for papers > on algorithmic and applied aspects of algebraic topology (including group > theory). > > Graham > > School of Mathematics, Statistics and Applied Mathematics > National University of Ireland, Galway > http://hamilton.nuigalway.ie > > > > > CALL FOR PAPERS > > APPLICABLE ALGEBRA IN ENGINEERING, COMMUNICATION AND COMPUTING > > SPECIAL ISSUE ON COMPUTER ALGEBRA IN ALGEBRAIC TOPOLOGY AND ITS APPLICATIONS > > Guest Editors: > Graham Ellis, Eduardo S?enz-de-Cabez?n > > Algebraic Topology is an area of pure mathematics with deep algebraic, > geometric and topological roots. Advances in computer science, particularly > in > symbolic computation and manipulation, have increased the computability of > the concepts of algebraic topology to an extent that they are now > increasingly > finding real life applications in areas such as data analysis, dynamical > systems, robotics, computer vision, communications, large scale networks, > concurrent computation, comparative genomics and many other areas. This > special > issue is devoted to papers on potential and actual applications of algebraic > topology as well as to papers on computational techniques and problems > related > to algorithmic algebraic topology. > > Contributions are welcome on: > > - Potential applications of algebraic topology in mathematics, computer > science,physics, engineering, industry, communications, business and other > areas. > - Actual applications of algebraic topology. > - All computational aspects of algebraic topology. > > Fields of application include but are not restricted to: > > ?Coding theory > ?Combinatorics > ?Commutative algebra > ?Computer science, including algorithms and distributed computing > ?Data analysis > ?Differential systems > ?Digital images > ?Discrete and computational geometry > ?Dynamical systems > ?Electromagnetism > ?Effective homology > ?Graph theory > ?Group theory > ?Medical sciences > ?Persistent homology > ?Physics > ?Reliability theory > ?Robotics > ?Statistics > > Paper submissions should follow the guidelines for AAECC submissions, see > http://www.springer.com/computer/theoretical+computer+science/journal/200 > > Submissions can be sent to either of the editors: > Graham Ellis, graham.el...@nuigalway.ie > Eduardo S?enz-de-Cabez?n, eduardo.saenz-de-cabe...@unirioja.es > > All the papers will be refereed according to the AAECC standards. > > DEADLINE: January 3, 2011 > > > > > > ------------------------------ > > _______________________________________________ > Forum mailing list > Forum@mail.gap-system.org > http://mail.gap-system.org/mailman/listinfo/forum > > > End of Forum Digest, Vol 82, Issue 1 > ************************************ > -- zahra sheikhaleslami _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
