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SUMMARY:Math Kitchen Party: organized by Branimir Cacic (UNB Fredericton)
DESCRIPTION:The Oberwolfach Problem\nAndrea Burgess (UNB Saint John)\nThe Oberwolfach Problem was posed by Ringel as a seating problem: people attend a conference in Oberwolfach\, where the dining room has round tables of sizes (with ). Is it possible to devise a seating plan over successive dinners in which each person sits next to each other person exactly once? \nIn graph-theoretical terms\, the Oberwolfach Problem asks whether\, given a 2-factor of order \, the complete graph can be decomposed into copies of . In this talk\, we present solutions of the Oberwolfach Problem obtained via graceful labellings. This is joint work with Peter Danziger (Ryerson) and Tommaso Traetta (Brescia). \nThe Unitary Birkhoff-von Neumann theorem\nStijn De Baerdemacker (UNB Fredericton)\nBirkhoff has shown that the doubly stochastic matrices can be written as a weighted sum over the permutation matrices of the same dimension. I will show that a similar theorem holds for unitary matrices with equal linesum\, and talk about applications in quantum computing. \nMusical Guests\n\nTBA\n\nThis is a virtual zoom meeting. If you would like to attend\, please email the organizers for connection details. \n[more information about the Math Kitchen Party summer talk series]
URL:https://aarms.math.ca/event/math-kitchen-party-2020-07-02/
LOCATION:Zoom seminar
CATEGORIES:AARMS Summer Talk Series
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