UBC

Tue 25 Oct 2016, 4:00pm
Discrete Math Seminar
ESB 4127

A Hard Problem in Lattice Theory

ESB 4127
Tue 25 Oct 2016, 4:00pm5:00pm
Abstract
Lattice theory is the study of an intriguing class of partially ordered sets known as lattices. Within this subject, there are many hard open problems. One such problem is to determine which countable lattices are sublattices of free lattices. In this talk, we will describe past progress on this problem and propose possible methods of attack using finite and finite width lattices. This research was done while I was a masters student at the University of Calgary.
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UIC

Fri 18 Nov 2016, 1:00pm
Discrete Math Seminar
MATX1102

New developments in hypergraph Ramsey theory

MATX1102
Fri 18 Nov 2016, 1:00pm2:00pm
Abstract
I will describe lower bounds (i.e. constructions) for several hypergraph Ramsey problems. These constructions settle old conjectures of ErdosHajnal on classical Ramsey numbers as well as more recent questions due to ConlonFoxLeeSudakov and others on generalized Ramsey numbers and the ErdosRogers problem. Most of this is joint work with Andrew Suk.
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U. Georgia

Tue 29 Nov 2016, 4:00pm
Discrete Math Seminar
ESB 4127

TBA

ESB 4127
Tue 29 Nov 2016, 4:00pm5:00pm
Abstract
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