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10th Shanghai SHCC May 24-28, 2020

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34th MCCCC October 16-18, 2020

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Combinatorics around the q-Onsager algebra, 2020

or those of you interested in attending the "Combinatorics around the q-Onsager Algebra" Conference in Slovenia this July, we would like to remind you that the deadline for submitting abstracts for contributed talks is Feb. 29.  After that deadline, submitted abstracts will be considered only if space is available.



For everyone attending, please register and pay the conference fee no later than May 31 in order to get the discounted rate of 180 euros.  Please see our conference website (https://conferences.famnit.upr.si/indico/event/15/overview) to register and for more information.



Most sincerely,

Stefko Miklavic (University of Primorska)

Mark MacLean (Seattle University)



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This is an announcement of a conference this year entitled "Combinatorics around the q-Onsager algebra." At the conference we will be celebrating the 65th birthday of Paul Terwilliger.  This conference will take place in beautiful Kranjska Gora, Slovenia, on the dates July …

MAAGC 2020 March 13-March 15

The seventh annualMid-Atlantic Algebra, Geometry, and Combinatorics(MAAGC) workshop will be held Friday, March 13 - Sunday, March 15, 2020at University of Virginia in Charlottesville. 
The confirmed speakers are:
Jonah Blasiak (Drexel University)
Linda Chen (Swarthmore College) Rosa Orellana (Dartmouth College) Anne Schilling (UC Davis)

Math in the news!

News of Member Jeff Dinitz

From BICA (11) 1994

PERSONALITY OF THE MONTH Jeff Dinitz Professor, University of Vermont
The Bulletin has to start this vignette with an apology to Jeff. By a fluke, Jeffs name was left off the list of members of the Council of the ICA. This omission has now been corrected - see page 1 of this issue of the Bulletin.  Jeff is a member of Council for a three-year term from 1993 to 1996.

In 1992, Jeff Dinitz and Doug Stinson, published Contemporary Design Theory, A Collection of Surveys (John Wiley and Sons, Inc.). This book was reviewed in Volume 9 of the Bulletin (page 9), and continues to receive a lot of well deserved acclaim; Jeff and Doug seem to have filled a real need
with this timely and outstanding work.

Last year, graph theorists received electrifying news from Jeff on the famous problem of the number of one factorizations of K_12 . Here is an extract from the email message of Monday, September 20, 1993 at 16:04:28.

Theorem. There are 526,915,620 non-isomorphic one-factorizatio…