Can you send me the URL of your web-site, Bill, so I can check out the

paper? Thanks.

Syd B-F

At 11:46 AM 03/11/2000 -0800, you wrote:

>From: "William H. Rowan" <rowan@...>

>

>

>Hello,

>

>I wrote a little paper on a generalization of Jonsson's Theorem to

non-modular

>varieties, and put it on my web site. The idea is that the proof of the

>theorem motivates a definition of what it means for a congruence \alpha

>to centralize a congruence \mu. In modular varieties, this is exactly the

>notion of centralization given by commutator theory (as long as \mu is

>a minimal nontrivial congruence.) However, in non-modular varieties, we

>get possibly more than one maximal centralizer of \mu. It is the maximal

>centralizers that appear in the statement of the theorem.

>

>Best regards,

>

>Bill Rowan

>

>

>

*****************************************************************************

Sydney Bulman-Fleming, Ph.D.

Professor

Department of Mathematics

Wilfrid Laurier University

Waterloo, Ontario N2L 3C5, Canada

e-mail:

sbulman@... sbulman@...
Telephone: (519) 884-0710 ext. 2223 (Home: 885-4758)

FAX: (519) 746-3655

WWW:

http://www.wlu.ca/~wwwmath/faculty/b-fleming/home.htm
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