Thursday, October 3, 2019

Thursday, October 3, 2019 — 1:00 PM EDT

Title: Type II Matrices

Speaker: Ada Chan Affiliation: York University Room: MC 5479

Abstract:

   In 1867,  Sylvester defined an {\sl inverse orthogonal matrix} as an $n\times n$ complex matrix $W$ satisfying

Thursday, October 3, 2019 — 3:00 PM EDT

Title: Discrete diffusion on graphs and real hyperplane arrangements

Speaker: David Wagner Affiliation: University of Waterloo Room: MC 6483

Abstract:

In 2016, Duffy et al. introduced the following process on a graph.  Initially, each vertex has some integer number of ``chips'' placed there (possibly negative). 

Thursday, October 3, 2019 — 4:00 PM EDT

Title: 

Speaker: Lise Turner Affiliation: University of Waterloo Room: MC 5501

Abstract:

There are several different notions of what it means for a graph to converge. One popular notion for sparse graphs is Benjamini-Schramm convergence which focuses on local properties of the graphs.

S M T W T F S
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
  1. 2019 (159)
    1. November (12)
    2. October (18)
    3. September (15)
    4. August (9)
    5. July (17)
    6. June (18)
    7. May (16)
    8. April (9)
    9. March (24)
    10. February (13)
    11. January (8)
  2. 2018 (138)
    1. December (2)
    2. November (18)
    3. October (14)
    4. September (9)
    5. August (2)
    6. July (10)
    7. June (13)
    8. May (17)
    9. April (9)
    10. March (19)
    11. February (14)
    12. January (11)
  3. 2017 (103)
  4. 2016 (137)
  5. 2015 (136)
  6. 2014 (88)
  7. 2013 (48)
  8. 2012 (39)
  9. 2011 (36)
  10. 2010 (40)
  11. 2009 (40)
  12. 2008 (39)
  13. 2007 (15)