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IWOTA 2017
Timetable
Monday August 14th
9:00 a.m.
9:15 a.m.
Arrival
Organizing committee
9:15 a.m.
9:45 a.m.
Opening
Albrecht Böttcher
Organizing committee
9:45 a.m.
10:45 a.m.
Plenary talk
Harm Bart
Marinus A. Kaashoek: half a century of operator theory in Amsterdam
Invited speaker
10:45 a.m.
11:00 a.m.
Coffee break
Break
11:00 a.m.
11:45 a.m.
Semi-plenary talk
Carola-Bibiane Schönlieb
Differential operators in image processing: from theory to application
Invited speaker
11:45 a.m.
12:30 p.m.
Semi-plenary talk
Ilya Spitkovsky
A tale of two projections — A never ending story?
Invited speaker
12:30 p.m.
2:00 p.m.
Lunch break
Meals
2:00 p.m.
2:30 p.m.
Parallel sessions
Jani Virtanen
Szegő, Fisher–Hartwig and transition asymptotics of Toeplitz determinants
Riemann–Hilbert problems
Sascha Trostorff
A Note on differential-algebraic equations in infinite dimensions
Semigroups and evolution equations
Peter Šemrl
Order isomorphisms of operator intervals
Algebras and order relations
Glenier L. Bello-Burguet
Spectral analysis for classes of operators, defined by operator inequalities
General operator theory
2:30 p.m.
3:00 p.m.
Parallel sessions
Katarzyna Kozlowska
Emergence of Fisher–Hartwig representations and their applications in XY spin chains
Riemann–Hilbert problems
Marcel Kreuter
Mapping theorems for Sobolev spaces of vector-valued functions
Semigroups and evolution equations
Steffen Roch
Beyond fractality
Algebras and order relations
Dawid Janse van Rensburg
A canonical form for H-symplectic matrices
General operator theory
3:00 p.m.
3:30 p.m.
Parallel sessions
Gyorgy Pal Geher
Quantum spin chains and limiting entropy
Riemann–Hilbert problems
András Bátkai
Positivity and delay equations
Semigroups and evolution equations
Helena Mascarenhas
Spectral properties of approximation sequences
Algebras and order relations
Rosario Corso
Representation theorems for solvable sesquilinear forms
General operator theory
3:30 p.m.
3:45 p.m.
Coffee break
Break
3:45 p.m.
4:30 p.m.
Semi-plenary talk
Greg Knese
Moment problems and stable polynomials
Invited speaker
4:30 p.m.
5:15 p.m.
Semi-plenary talk
Alexei Karlovich
Semi-Fredholm theory for singular integral operators with shifts and slowly oscillating data
Invited speaker
5:15 p.m.
5:30 p.m.
Coffee break
Break
5:30 p.m.
6:00 p.m.
Parallel sessions
Luciano Abadias
Spatial bounds for resolvent families and applications to PDE’s with critical non-linearities
Semigroups and evolution equations
Andre Ran
Wiener–Hopf factorization of rational matrix functions with symmetries
The Rien Kaashoek mini symposium
Yuri Karlovich
Banach algebras of convolution type operators with PSO data on weighted Lebesgue spaces
Concrete operator theory
David Kapanadze
Relationship between the effective thermal properties of linear and nonlinear doubly periodic composites
Differential operators
6:00 p.m.
6:30 p.m.
Parallel sessions
Jens Wintermayr
Positivity on extrapolation spaces for semigroups
Semigroups and evolution equations
Arthur Frazho
Spectral methods to compute a solution to some H∞ interpolation problems
The Rien Kaashoek mini symposium
Conrad Mädler
On the structure of Hausdorff moment sequences
Concrete operator theory
Robert Kaiser
A numerical approach for a special crack problem
Differential operators
7:00 p.m.
?
Guided city tour
Tuesday August 15th
8:30 a.m.
9:00 a.m.
Parallel sessions
Dirk Nuyens
Strang splitting for the time-dependent Schrödinger equation and quasi-Monte Carlo methods
High-dimensional integration
Reinhard Stahn
Fine scales of decay of operator semigroups and an application to decay of waves in a viscoelastic boundary damping model
Semigroups and evolution equations
Holger Langenau
Best constants in Markov-type inequalities with mixed Hermite weights
Matrix norms and pseudospectra
Kotaro Tanahashi
Furuta’s inequality and p-wA(s,t) operators
General operator theory
9:00 a.m.
9:30 a.m.
Parallel sessions
Yoshihito Kazashi
Discrete maximal regularity and discrete error estimate of a non-uniform implicit Euler–Maruyama scheme for a class of stochastic evolution equations
High-dimensional integration
Christian Seifert
On perturbations of positive semigroups
Semigroups and evolution equations
Dmitry Yakubovich
Pseudospectra and norms of functions of Hilbert space operators: examples and counterexamples
Matrix norms and pseudospectra
Venku Naidu Dogga
On absolutely norm attaining operators
General operator theory
9:30 a.m.
9:45 a.m.
Coffee break
Break
9:45 a.m.
10:45 a.m.
Plenary talk
Mark Embree
Spectral calculations for quasiperiodic Schrödinger operators
Invited speaker
10:45 a.m.
11:00 a.m.
Coffee break
Break
11:00 a.m.
11:45 a.m.
Semi-plenary talk
Alexander Pushnitski
Hankel and Helson matrices
Invited speaker
11:45 a.m.
12:30 p.m.
Semi-plenary talk
Marcel Hansmann
On the distribution of eigenvalues of compactly perturbed operators
Invited speaker
12:30 p.m.
2:00 p.m.
Lunch break
Meals
2:00 p.m.
2:30 p.m.
Parallel sessions
Marcus Waurick
Fibre homogenisation
Semigroups and evolution equations
Jürgen Leiterer
On the similarity of holomorphic matrices
Structured matrices and operators
Marko Djikić
Coherent pairs, partial orders and certain majorization relations of Hilbert space operators
Algebras and order relations
Nazar Miheisi
Spectral asymptotics for Helson matrices
Concrete operator theory
2:30 p.m.
3:00 p.m.
Parallel sessions
Markus Haase
Functional calculi related to semigroups
Semigroups and evolution equations
Elias Wegert
Blaschke products, equilibria of electric charges, Stieltjes polynomials, and moment problems
Structured matrices and operators
Tamás Titkos
Lebesgue decomposition and order structure
Algebras and order relations
Gajath Gunatillake
Groups of unitary composition operators on Hardy–Smirnov spaces
Concrete operator theory
3:00 p.m.
3:30 p.m.
Parallel sessions
Yuri Tomilov
On lower bounds for C₀-semigroups
Semigroups and evolution equations
Egor Maximenko
Avram–Parter and Szegő limit theorems: from weak convergence to uniform approximation
Structured matrices and operators
Dániel Virosztek
Connections between centrality and local monotonicity of certain functions on C*-algebras
Algebras and order relations
Ji Eun Lee
On binormal Toeplitz operators on the Hardy space
Concrete operator theory
3:30 p.m.
3:45 p.m.
Coffee break
Break
3:45 p.m.
4:30 p.m.
Semi-plenary talk
Bernd Silbermann
On the spectrum of the Hilbert matrix operator
Invited speaker
4:30 p.m.
5:15 p.m.
Semi-plenary talk
Rien Kaashoek
Finite rank perturbations of Volterra operators and completeness theorems
Invited speaker
5:15 p.m.
5:30 p.m.
Coffee break
Break
5:30 p.m.
6:00 p.m.
Parallel sessions
Christophe Charlier
Asymptotics of Hankel determinants with a one-cut regular potential and Fisher–Hartwig singularities
Riemann–Hilbert problems
Sergei Grudsky
Uniform individual asymptotics for the eigenvalues and eigenvectors of large Toeplitz matrices
Structured matrices and operators
Dale Frymark
Boundary conditions associated with the left-definite theory for differential operators
Differential operators
Rolf Gohm
A category of completely positive maps on B(H)
Algebras and order relations
6:00 p.m.
6:30 p.m.
Parallel sessions
Antoine Doeraene
The generating function of the Airy point process, and a system of coupled Painlevé II equations
Riemann–Hilbert problems
Torsten Ehrhardt
Inversion of Toeplitz-plus-Hankel Bezoutians
Structured matrices and operators
Ivica Nakić
Perturbation of eigenvalues of Klein–Gordon operators
Differential operators
Ian Doust
Isomorphisms of AC(σ) spaces
Algebras and order relations
6:30 p.m.
6:45 p.m.
Coffee break
Break
6:45 p.m.
7:15 p.m.
Parallel sessions
Sergei Grudsky
Double barrier option under Lévi processes and the theory of Toeplitz operators
Riemann–Hilbert problems
Yuri Karlovich
One-sided invertibility of infinite band-dominated matrices
Structured matrices and operators
Igor Popov
Quantum channel entanglement producing and distance of the channel matrix from the tensor product
Differential operators
Kousik Dhara
The (n,ε)-pseudospectrum of an element of a Banach algebra
Matrix norms and pseudospectra
7:15 p.m.
7:45 p.m.
Parallel sessions
Mikael Lindström
Compactness and weak compactness of weighted composition operators on dual Banach spaces of analytic functions
From Riemann–Hilbert to Toeplitz
Viktor Didenko
Invertibility conditions for Toeplitz plus Hankel operators and representations for their inverses
Structured matrices and operators
Rolandi Duduchava
Mixed boundary value problems for the Laplace–Beltrami equation
Differential operators
V.B. Kiran Kumar
Infinite-dimensional preconditioners
Matrix norms and pseudospectra
Wednesday August 16th
8:30 a.m.
9:00 a.m.
Parallel sessions
Christian Budde
Desch–Schappacher perturbations and extrapolation spaces for bi-continuous semigroups
Semigroups and evolution equations
Alexander Pushnitski
Spectral asymptotics for a class of compact Toeplitz operators on Bergman space
Toeplitz and related operators
Irina Blinova
Quantum graph with the Dirac operator and resonance state completeness
Differential operators
Lutz Kämmer
Multiple rank-1 lattices as spatial discretization for multivariate trigonometric polynomials
Functional analysis
Anna Goncharuk
The generalized backward shift operator on ℤ[[x]], Cramer’s formulas for solving infinite linear systems, and p -adic integers
Concrete operator theory
9:00 a.m.
9:30 a.m.
Parallel sessions
Felix Schwenninger
On certain optimal constants in semigroup
Semigroups and evolution equations
Santeri Miihkinen
Strict singularity of a Volterra-type integral operator on Hₚ
Toeplitz and related operators
Carsten Trunk
Rank one perturbations of linear relations with applications to DAE’s
Differential operators
Toni Volkmer
Sparse high-dimensional FFT using rank-1 lattices
Functional analysis
Ali Shukur
The estimates of powers of operators generated by irrational rotation
Concrete operator theory
9:30 a.m.
9:45 a.m.
Coffee break
Break
9:45 a.m.
10:45 a.m.
Plenary talk
Frances Kuo
High-dimensional integration: the Quasi-Monte Carlo (QMC) way
Invited speaker
10:45 a.m.
11:00 a.m.
Coffee break
Break
11:00 a.m.
11:45 a.m.
Semi-plenary talk
Sanne ter Horst
The coupling method and operator relations
Invited speaker
11:45 a.m.
12:00 noon
Advertising the next IWOTA
Qin Wang
2018 in Shanghai
Invited speaker
12:00 noon
1:00 p.m.
Lunch break
Meals
1:00 p.m.
?
Trip
Thursday August 17th
8:30 a.m.
9:00 a.m.
Parallel sessions
Charles Batty
Holomorphic functions which preserve holomorphic semigroups
Functional calculus
Jari Taskinen
Recent developments on boundedness of Toeplitz operators in Bergman spaces
Toeplitz and related operators
Paweł Pietrzycki
Relations between some system of operator equations and subclass of hypnormal operators
General operator theory
Derek Kitson
Infinitesimal rigidity for unitarily invariant matrix norms
Matrix norms and pseudospectra
8:30 a.m.
9:30 a.m.
Parallel sessions
Yuri Tomilov
On the approximation theory of C₀-semigroups
Functional calculus
Raffael Hagger
On the essential spectrum of Toeplitz operators
Toeplitz and related operators
Mee-Jung Lee
On the iterated operator transforms
General operator theory
Christian Rebs
An asymptotic lower bound for the norm of the Laplace operator on a space of polynomials
Matrix norms and pseudospectra
9:30 a.m.
9:45 a.m.
Coffee break
Break
9:45 a.m.
10:45 a.m.
Plenary talk
Fritz Gesztesy
Spectral shift functions and Dirichlet-to-Neumann maps
Invited speaker
10:45 a.m.
11:00 a.m.
Coffee break
Break
11:00 a.m.
11:45 a.m.
Semi-plenary talk
Marko Lindner
Limit Operators: Getting your hands on the essentials
Invited speaker
11:45 a.m.
12:30 p.m.
Semi-plenary talk
Jonathan Partington
Toeplitz kernels, model spaces, and multipliers
Invited speaker
12:30 p.m.
2:00 p.m.
Lunch break
Meals
2:00 p.m.
2:30 p.m.
Parallel sessions
Gordon Blower
Operational calculus for groups with finite propagation speed
Functional calculus
Haripada Sau
Toeplitz operators on the symmetrized bidisc
Toeplitz and related operators
Tobias Hartung
Feynman path integral regularization using Fourier integral operator ζ-functions
High-dimensional integration
Ole Christensen
Operator representations of frames
Functional analysis
2:30 p.m.
3:00 p.m.
Parallel sessions
Oliver Dragičević
p-ellipticity
Functional calculus
Hasen Mekki Öztürk
Indefinite linear matrix pencil and multi-eigenvalue problem
Toeplitz and related operators
Julia Volmer
Improving MonteCarlo integration by symmetrization
High-dimensional integration
Frank-Olme Speck
On the symmetrization of general Wiener–Hopf operators
Functional analysis
3:00 p.m.
3:30 p.m.
Parallel sessions
Christoph Kriegler
Dimension free bounds for the vector valued Hardy–Littlewood maximal operator
Functional calculus
Bartosz Łanucha
Asymmetric truncated Toeplitz operators of rank one
Toeplitz and related operators
Hernan Leövey
Quasi-Monte Carlo integration of the Schwinger model: Breaking bad with Monte Carlo
High-dimensional integration
Leo Doktorski
An application of limiting interpolation to Fourier series theory
Functional analysis
3:30 p.m.
3:45 p.m.
Coffee break
Break
3:45 p.m.
4:30 p.m.
Semi-plenary talk
Alejandra Maestripieri
Oblique projections and applications to Procrustes type problems in Hilbert spaces
Invited speaker
4:30 p.m.
5:15 p.m.
Semi-plenary talk
J. William Helton
Transforming linear matrix inequalities
Invited speaker
7:00 p.m.
?
Conference dinner
Friday August 18th
8:30 a.m.
9:00 a.m.
Parallel sessions
Alex Amenta
A first-order approach to elliptic boundary value problems with complex coefficients and fractional regularity data
Functional calculus
Nicola Thorn
Properties of multiplicative Toeplitz operators
Toeplitz and related operators
Sanne ter Horst
Bounded and unbounded solutions to the discrete-time KYP inequality
The Rien Kaashoek mini symposium
Ramesh Golla
Absolutely norm attaining paranormal operators
General operator theory
9:00 a.m.
9:30 a.m.
Parallel sessions
Jörg Seiler
Bounded H∞-calculus for closed extensions of cone differential operators
Functional calculus
Małgorzata Michalska
Truncated Hankel operators and their matrices
Toeplitz and related operators
Derk Pik
Generalized solutions of discrete time Riccati inequalities
The Rien Kaashoek mini symposium
Uaday Singh
Trigonometric approximation of functions in the generalized Lipschitz class with Muckenhoupt weights
Functional analysis
Batzorig Undrakh
Rational dilation problems on some distinguished varieties
General operator theory
9:30 a.m.
9:45 a.m.
Coffee break
Break
9:45 a.m.
10:45 a.m.
Plenary talk
Christiane Tretter
Challenges in non-selfadjoint spectral problems
Invited speaker
10:45 a.m.
11:00 a.m.
Coffee break
Break
11:00 a.m.
11:45 a.m.
Semi-plenary talk
Stefanie Petermichl
Characterization of multi-parameter BMO spaces through commutators
Invited speaker
11:45 a.m.
12:30 p.m.
Semi-plenary talk
Konrad Schmüdgen
Unbounded operators on Hilbert C*-modules
Invited speaker
12:30 p.m.
2:00 p.m.
Lunch break
Meals
2:00 p.m.
2:30 p.m.
Parallel sessions
Frederik van Schagen
The discrete twofold Ellis–Gohberg inverse problem
The Rien Kaashoek mini symposium
Håkan Hedenmalm
Bloch function, asymptotic variance, and geometric zero packing
Toeplitz and related operators
Jacob Jaftha
Analysis of an unbounded Toeplitz-type operator: the scalar case
Concrete operator theory
2:30 p.m.
3:00 p.m.
Parallel sessions
Hubert Klaja
K spectral sets for the numerical radius
Functional calculus
Harm Bart
The logarithmic residue theorem in higher dimensions: following an early lead by Marinus A. Kaashoek
The Rien Kaashoek mini symposium
Vitalii Marchenko
Xu–Yung–Zwart theorem and C₀-groups generated by operators with non-basis family of eigenvectors
Functional analysis
Hocine Guediri
Toeplitz and Hankel operators on polyanalytic Bergman spaces over the upper-half plane
Concrete operator theory
3:00 p.m.
3:30 p.m.
Parallel sessions
Christian Le Merdy
The Ritt property of subordinated operators in the group case
Functional calculus
Isaac Michael
On Birman’s sequence of Hardy–Rellich-type inequalities
Functional analysis
Beyaz Basak Koca
Fredholmness of some Toeplitz operators
Concrete operator theory
3:30 p.m.
4:00 p.m.
Closure
Organizing committee