Hi! Consider a finite distributive lattice L. One may assume that L is a sublattice of a power set of some finite set. Denote by j1,..., j_r all with join...
A quick question. Could anybody drop me some references about characterizing the congruences ~ of an arbitrary algebra that make A/~ abelian, and those that...
~~ ~~~ read The SpacePlane Equation first, http://web.archive.org/web/20050217045027/www.physicsroom.org.nz/log/ archive/15/spaceplanes/ then some of the...
~~ ~~ ok, I heard that! imagine if the women of the western world gave up their cars -- for 'inner' travel -- and thus made no more war on the middle east and...
Hello every body , I have a question in categories. Please help me to solve it. Let f:X --> Y be a M-mapping then show that : 1) f is injective <--> f is...
To answer Sara Raja's questions about the category of M-sets and M-mappings in relatively general terms, let me observe first that this category is both: (i) a...
Fred E.J.Linton
flinton@...
Feb 13, 2006 12:57 am
314
Correction: I had mistakenly written ... where I had intended the last phrase to be ... Apologies. A corrected version appears below. -- Fred ... Received:...
Fred E.J.Linton
flinton@...
Feb 13, 2006 1:10 am
315
Dear Universal Algebraists and Friends, I want to thank everyone for making our special sessions at the recent AMS meetings in Lincoln and San Antonio both...
Jonathan David Farley has an op-ed in today's New York Times. Mentions lattice theory and graph theory. wt...
Walter Taylor
wtaylor@...
May 16, 2006 3:32 pm
317
... Yes, it mentions concept lattices, in fact. Nothing too detailed, but I promptly printed it and put it on my office door. By the way, someone should point...
* Dear Universal Algebraists, * * This message found its way to me earlier today. I am sorry to * pass on this news. I know that you will be saddened, as I...
Hi all, I'm just wondering about the status of the last open problem in Burris&Sankappanavar: "If a finitely generated variety has no infinite subdirectly ...
See my three papers in the International Journal of Algebra and Computation, volume 6, 1996. Ralph McKenzie --On Friday, June 23, 2006 8:33 AM +0000 p_ouwehand...
Mckenzie, Ralph N
mckenzie@...
Jul 8, 2006 7:17 pm
321
100 Years of E=mc2 Ajay Sharma (The Fundamental Physics Research Institute, ) 2006. ISBN: 1-60021-270-0. $49. Hardcover Author Email...
Hi, I have been looking at a situation which is basically the dual of a subdirect product: you have several algebras B_i, and a homomorphic image of the sum...
Since "subdirect product" can reasonably be interpreted as abbreviating "subalgebra of direct product" (with a particular subalgebra in mind, up to...
Vaughan Pratt
pratt@...
Jul 17, 2006 5:16 pm
324
When a formula p is in the theory TM(S) of the class M(S) of models of a set S of formulas, we call p a *consequence* of S. The dual relationship obtains when...
Vaughan Pratt
pratt@...
Aug 3, 2006 3:05 am
325
Dear Friends I had talk at DALLAS, USA on 22nd Aug. 2006 in the conference 19th International Conference of Accelerators in Research and Industry . The topic...
Dear Colleagues, John tells me that we still have a few slots left to fill. We'd like to have a packed session in New Orleans, so please let us know if you're...
Hi Japheth, Thanks for keeping me up to date. Just so you'll know, right now it looks as though I will not be submitting an abstract, but I do plan to attend....
Thanks, We look forward to seeing you there. JS ... From: univalg@yahoogroups.com [mailto:univalg@yahoogroups.com] On Behalf Of Kirby A. Baker Sent: Thursday,...
John Snow
mth_jws11@...
Aug 25, 2006 1:17 pm
329
Hi- At the Gratzer-Schmidt conference in June several people asked when a copy of my monograph with Emil Kiss on congruence identities would be available. I...
... Sure! See RFC 822 about SMTP. That time, when RFC 822 emerged, the internet, more precisely the network of a few computers was a community of brothers...
dear friends; I am working on an article and I need some help with finding usefull refrences about noncommutative zero divisor graphs. please help. cheers....
I am not an expert in this area, but if you insert zero divisor graphs into anywhere in Search. in Math. Sci. Net., You will find some references Melvin...
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