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univalg · List for use by the Universal Algebra co
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Group Information

  • Members: 290
  • Category: Algebra
  • Founded: Jul 28, 1999
  • Language: English
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Activity within 7 days:

2 New Members - 6 New Messages - New Questions

Description

List for use by researchers and advanced students of Mathematics to share information and news about the field of Universal Algebra, including Lattice Theory. Subscription will require approval; prospective members should send an email inquiry to univalg-owner@yahoogroups.com with a brief description of their interest in the list.

Most Recent Messages

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New Number Theory Group
The 'numbertheory' Yahoo group was very well-maintained, had a membership of 1200 and the discussion was of a high level of sophistication. Unfortunately the
Posted - Wed Nov 25, 2009 4:44 pm
 primorial3
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Re: Commutator eqn. for modularity
It is hard to argue against Keith's observation that using meets and joins one can express modularity... But seriously, in the context of "Pseudogroupoids and
Posted - Mon Nov 23, 2009 6:52 pm
 George Janelidze
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Re: Commutator eqn. for modularity
... Peter- The language you are using in your equations for distributivity is some expansion of { +, ., [,] } (= lattice operations + commutator operation). If
Posted - Mon Nov 23, 2009 2:03 pm
 Keith A. Kearnes
k_kearnes
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Re: Commutator eqn. for modularity
Apologies to Peter and everyone who saw my previous message copied below: What I called "a negative remark" (about sets) is wrong as everyone familiar with
Posted - Mon Nov 23, 2009 11:56 am
 George Janelidze
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Re: Commutator eqn. for modularity
Dear Peter, Let me write R, S, and T (instead of your "\alpha", "\beta", "\delta") for three congruences on an algebra A in a variety V. I strongly believe
Posted - Mon Nov 23, 2009 10:50 am
 George Janelidze
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 4 6 7 3 1 2 8 5 4 22
2008 3 2 5 2 34 16 3 25 1 1 8
2007 5 66 14 1 2 1 6 5 35 6 1
2006 1 5 3 2 4 5 6 3
2005 3 15 1 1 11 2 1 1
2004 11 10 1 9 2 1 1 13 28 4
2003 2 6 6 1 1 5 9 5 3
2002 1 16 8 1 2 3 18 4 2 1 1
2001 2 1 9 1 3 2 1 18
2000 5 4 2 2 3 5
1999 23 6 2 9
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