June 4

Arcadii Grinshpan
(U. of S. Florida)

Weighted seminorm inequalities for power series. 
May 28

Andrey Melnikov

Finitedimensional SturmLiouville vessels and their tau functions. 
May 21

James Lambers (U. of S. Mississippi)

A Crash Course on Matrices, Moments and Quadrature. 
May 14

Yuriy Sereda (Drexel Physics) 
Polynomials in two variables  the unknown function and its gradient – as a promising tool for solving the ordinary and partial differential equations and their systems. 
May 7

Daniel Parry 
Zeros of partition polynomials. 
Apr 30

David Kimsey 
Finite atomic measures for
truncated moment sequences (after Bayer & Teichmann). 
Apr 23

Dmitry KaliuzhnyiVerbovetskyi 
A Schwarz lemma on the polydisk, part 2. 
Apr 16

Dmitry KaliuzhnyiVerbovetskyi 
A Schwarz lemma on the polydisk (after G. Knese). 
Apr 9

Matthew Brenneman (Miami U.)


Apr 2

Thomas Yu

Optimization on matrix manifolds (a.k.a. Nonlinearity in linear
algebra)




Mar 12 
Anatolii Grinshpan 
Grothendieck’s inequality. 
Mar 5 
Hugo Woerdeman 
The little I know about the RiemannHilbert problem and
discrete Painleve Equations. 
Feb 26 
Snow 

Feb 19 
Andrey Melnikov 
The RiemannHilbert problem and integrable
systems (after A. Its). 
Feb 12 
Dmitry KaliuzhnyiVerbovetskyi 
Singularity sets of rational functions in commutative and
in noncommutative settings (continued). 
Feb 5 
Dmitry KaliuzhnyiVerbovetskyi 
Singularity sets of rational functions in commutative and
in noncommutative settings. 
Jan 29 
Hugo Woerdeman 
(i) On Sendov’s Conjecture. (ii) On Dritschel's Theorem, and how it fits with Reznick's result. 
Jan 22 
Andrey Melnikov 
The class SI of intertwining functions and scattering theory
of the SturmLiouville differential equation. 
Jan 15 
Andrey Melnikov 
Overdetermined 2Dsystems invariant in one direction. 
Jan 13, 1 P.M. 
Andrey Melnikov 
Scattering theory of the SturmLiouville
differential equation using transfer functions. 
Jan 11, 1 P.M. 
Andrey Melnikov 

Jan 8 
Robert Boyer 
Representation theory for unitary groups. 
Dec 11 
Lei Cao 
The
high road to an exponential formula (after
Wasin So). 
Dec 4 
Anatolii Grinshpan 
Theory
of reproducing kernels (6). 
Nov 20 
Anatolii Grinshpan 
Theory
of reproducing kernels (5). 
Nov 13 
David Kimsey 
Theory
of reproducing kernels (4). 
Nov 6 
David Kimsey 
Theory of reproducing kernels (3) (after N. Aronszajn, 1950) . 
Oct 30 
Gregory Naber 
Reproducing Kernels and Group
Representations (ii). 
Oct 23 
Gregory Naber 

Oct 16 
Dmitry KaliuzhnyiVerbovetskyi 
Theory of reproducing kernels (2). 
Oct 9 
Dmitry KaliuzhnyiVerbovetskyi 
Theory of reproducing kernels (1) (after N. Aronszajn, 1950). 
Oct 2 
Hugo Woerdeman 
On positive and completely positive maps. 
Sept 25 
Lei Cao 
The uniqueness of solutions to A. Horn’s problem up to unitary similarity. 
June 1 
Dan Cross 

May 18 
David Kimsey 
Generalizations of the Hamburger moment problem. 
May 11 
Hugo Woerdeman 
On an extension problem for polynomials (continuation). 
Apr 27 
Sara Grundel (NYU) 
Smoothing splines and reproducing kernel Hilbert space. 
Apr 20 
Hugo Woerdeman 
On an extension problem for polynomials (after Bakonyi & Timotin). 
Apr 13 
Anatolii Grinshpan 
The ``plank problem” (after T. Bang, 1951). 
Mar 13 
Nicola Guglielmi (U of L’Aquila)

Finiteness properties of sets of matrices and finite computation of the joint spectral radius. 

Mar 6 
Yun Yoo 


Feb 27 
Robert Boyer 
Ergodic measures on Hermitian matrices (continued). 

Feb 20 
Ilya Spitkovsky (William & Mary) 
On the current state of the factorization problem for almost periodic matrix functions. 

Feb 16 1P.M. 
Andrey Melnikov (BenGurion) 
Overdertermined 2D systems invariant in one direction and their transfer functions. 

Feb 13 
Robert Boyer 
Ergodic unitarily invariant measures on the space of infinite Hermitian matrices (after Olshanski and Vershik). 

Feb 6. 
Lei Cao 
On uniqueness in Alfred Horn’s conjecture. 

Jan 16 
Dmitry KaliuzhnyiVerbovetskyi 
Matrices with normal defect 1. 

Jan 9 
Hugo Woerdeman 
On the normal completion problem. 
Dec. 1 
Anatolii Grinshpan 
On the linear polarization constant for R^{d} (continued). 
Nov. 24 
Anatolii Grinshpan 
On the linear polarization constant for R^{d} (after Leung, Li, and Rakesh). 
Nov. 17 
Mihaly Bakonyi 

Nov. 10 
David Kimsey 
Truncated Hamburger moment problem (continued). 
November 3 
David Kimsey 
Truncated Hamburger moment problem (after Curto and Fialkow). 
October 27 
Hugo Woerdeman 
On numerical ranges in quantum computing (continued). 
October 20 
Hugo Woerdeman 
On numerical ranges in quantum computing (after Kribs et al). 
October 6. 
Hugo Woerdeman 
Distance to normality of a tridiagonal matrix (after Noschese, Pasquini, and Reichel). 
June 12, 10 A.M. 
Le Yu 
Gershgorin disks and the field of values. 
June 2 
Lei Cao 
The saturation conjecture (continued). 
May 27 
Lei Cao 
The saturation conjecture. 
May 20 
Greg Naber 

May 13 
Selcuk Koyuncu 
Inverses of multilevel Toeplitz
matrices (continued). 
May 6 
Selcuk Koyuncu 
Inverses of multilevel Toeplitz matrices. 
April 29 
Ron Perline 
Differential equations and the symmetric eigenvalue problem (continued). 
April 22 
Ron Perline 
Differential equations and the symmetric eigenvalue problem. 
April 15 
Thomas Yu 

April 8 
Abed Elhashash 
A survey of matrix functions preserving nonnegative and related matrices. 
March 10 
Hugo Woerdeman 
Representation of block Hankel matrices. 
March 3 
Robert Boyer 
Asymptotics for Appell polynomials (continued). 
February 25 
Robert Boyer 
Asymptotics for Appell polynomials. 
February 18 
Tom Bella (UConn) 
Quasiseparable matrices and
polynomials. Fast and accurate algorithms. 121, Korman 207 
February 11 
Hugo Woerdeman 
The Hamburger moment problem. 
February 4 
Anatolii Grinshpan 
The von Neumann Inequality in one and several variables. 
January 28

Dmitry KaliuzhnyiVerbovetskyi

The operatorvalued Schur class (continued). 
January 21

No meeting (MLK Holiday)


January 14

Dmitry KaliuzhnyiVerbovetskyi

The operatorvalued Schur class (continued). 
January 7

Dmitry KaliuzhnyiVerbovetskyi

The operatorvalued Schur class. 
December 3

Anatolii Grinshpan

Some matrix inequalities (after Bhatia). 
November 26

Hugo Woerdeman

GohbergSemencul via ChristoffelDarboux. 
November 12

Hugo Woerdeman

ChristoffelDarboux formula. 
November 5

Hugo Woerdeman

Schur complements (continued). 
October 29

Hugo Woerdeman

Schur complements. 
October 22

Anatolii Grinshpan

Imbedding of Hermitian and normal matrices (after Fan and Pall). 
October 15

Abed Elhashash

Characterizations and Properties of General Matrices Enjoying the PerronFrobenius Property. 
October 1

Roger Horn (

Matrix Canonical Forms. 4 P.M., 617 Wachman Hall,

September 24

Hugo Woerdeman

Multivariable GohbergSemencul
expressions.

Alice Guionnet’s lectures. Alan Edelman’s course materials.
Topics:
Apr 13. Introduction to random matrices. (Anatolii Grinshpan)
Apr
20. Wigner’s theorem. (Anatolii
Grinshpan)
April
27. Operator inequalities. (ManDuen
Choi, not a RMT meeting)
May
4. Wigner’s theorem (continued). (Anatolii Grinshpan)
May
11. Toeplitz determinants. (Hugo Woerdeman)
May
18. Symmetric functions. (Jennifer Morse)
May
25. The strong Szego limit theorem.
(Dmitry KaliuzhnyiVerbovetskyi)
June
1. Fredholm determinants. (David Kimsey)
June
8. Concentration of the large eigenvalues of random
graphs. (Eric Schmutz)