Download October 6th, 2015

 INFO SHEET
QUEEN’S UNIVERSITY AT KINGSTON
Department of Mathematics and Statistics
http://www.mast.queensu.ca
October 6, 2015
CALENDAR
Wednesday, October 7
Thursday, October 8
Department Meeting
Time: 3:30 p.m.
Place: Jeffery 234
Seminar on Free Probability and
Random Matrices
Friday, October 9
Time: 4:30 p.m.
Place: Jeffery 110 (to be confirmed)
Number Theory Seminar
Monday, October 12
Time: 11:00 a.m.
Place: Jeffery 422
Thanksgiving Day
Tuesday, October 20
Conference Room
Time: 1:00 p.m.
Place: Jeffery 521
Presentation by Dr. Brenda Bouwer, Vice
Provost and Dean, School of Graduate
Studies. Department meeting will follow if
time permits.
Speaker: Mario Diaz, Queen’s University
Title: On the Speed at which Asymptotic
Liberation Sequences Deliver Freeness
Abstract Attached
Speaker: Arunabha Biswas, Queen’s
University
Title: Some aspects of higher Mahler
measure
Abstract Attached
University offices are closed.
Ph.D. Student: Joshua Pohlkamp-Hartt
Title: Learning Methods for Spectrum
Estimation
Supervisors: G. Takahara & D. Thomson
Items for the Info Sheet should reach Anne ([email protected]) by noon on Monday. The Info
Sheet is published every Tuesday.
Thursday, October 8, 4:30 p.m. Jeffery 110
Seminar on Free Probability and Random Matrices
Speaker: Mario Diaz
Title: On the Speed at which Asymptotic Liberation Sequences Deliver Freeness
Abstract: It is well known that certain ensembles of unitary matrices deliver asymptotic freeness under
suitable conditions. Related to the intuitive question about how random an ensemble must be in order to
deliver freeness, Anderson and Farrell found a unitary ensemble which is “less random” than the Haar
distributed ensemble originally proposed by Voiculescu. In this talk we propose to study the speed at
which these ensembles deliver freeness as an alternative measure of “randomness”. This is joint work
with Jamie Mingo.
Seminar website: http://www.mast.queensu.ca/~mingo/seminar/
Friday, October 9, 11:00 a.m. Jeffery 422
Speaker: Arunabha Biswas
Title: Some aspects of higher Mahler measure
Number Theory Seminar
Abstract: We consider the k-higher Mahler measure m_k(P) of a Laurent polynomial P as the integral
of (log|P|)^k over the complex unit circle. In this talk I shall briefly discuss Mahler measure and
Lehmer's conjecture; and elaborately discuss some results about higher Mahler measure.