Workshop dedicated to the memory of
Professor Gabriela Kohr
(4th Edition)



Geometric Function Theory in Several Complex Variables and Complex Banach Spaces




29 November - 1 December 2024
Cluj-Napoca, Romania
(online, via Zoom - link will be sent by email)



The main contributions of Professor Gabriela Kohr refer to
  • Geometric function theory in several complex variables
    • Extensions of classical results in the theory of univalent functions to the case of several complex variables
    • Theory of Loewner chains of several complex variables
    • Theory of differential subordinations in ℂn
    • Approximation and control theory results for normalized biholomorphic mappings
    • Extension operators and quasiconformal mappings
  • Geometric function theory in complex Banach spaces
    • Theory of Loewner chains in complex Banach spaces
    • Estimation results for normalized biholomorphic mappings in complex Banach spaces
  • Complex analysis on bounded symmetric domains
    • Bloch mappings and related results on bounded symmetric domains
    • Harmonic and pluriharmonic mappings on complex Hilbert balls and bounded symmetric domains

Details about the entire scientific activity of Professor Gabriela Kohr can be found on the webpage:
http://math.ubbcluj.ro/~gkohr/

About the Workshop


The workshop is dedicated to the memory of Professor Gabriela Kohr, for her outstanding contributions in Geometric function theory in several complex variables and complex Banach spaces. The workshop particularly comprises
(but not only) the following topics:

  • Geometric function theory and applications
  • Loewner theory in one and higher dimensions
  • Univalent mappings in ℂn and complex Banach spaces
  • Quasiconformal mappings and applications
  • Complex Analysis in infinite dimensions
  • Complex Variables and Potential Theory
  • ...

_________________________________________________________________

Main organizer:

Professor Mirela Kohr, Faculty of Mathematics and Computer Science,
Babeş-Bolyai University, Cluj-Napoca, Romania


Organizing committee: Lecturer Mihai Iancu, Faculty of Mathematics and Computer Science,
Babeş-Bolyai University, Cluj-Napoca, Romania

PhD Student Eduard Grigoriciuc, Faculty of Mathematics and Computer Science,
Babeş-Bolyai University, Cluj-Napoca, Romania

Assistant Professor Florin Albişoru, Faculty of Mathematics and Computer Science,
Babeş-Bolyai University, Cluj-Napoca, Romania

Invited Speakers


  • Zoltán Balogh - University of Bern, Switzerland
  • Lucian Beznea - Simion Stoilow Institute of Mathematics of the Romanian Academy and Politehnica University of Bucharest, Romania
  • Filippo Bracci - Tor Vergata University, Rome, Italy
  • Teodor Bulboacă - Babeș-Bolyai University, Cluj-Napoca, Romania
  • Dan Coman - Syracuse University, New York, USA
  • Mihai Cristea - University of Bucharest, Romania
  • Paula Curt - Babeș-Bolyai University, Cluj-Napoca, Romania
  • Tamás Darvas - University of Maryland, USA
  • Santiago Diaz-Madrigal - University of Seville, Spain
  • Mark Elin - Braude College, Karmiel, Israel
  • Aurelian Gheondea - Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania and Bilkent University, Ankara, Turkey
  • Anatoly Golberg - Holon Institute of Technology, Holon, Israel
  • Ian Graham - University of Toronto, Canada
  • Pavel Gumenyuk - Polytechnical University of Milan, Italy
  • Hidetaka Hamada - Kyushu Sangyo University, Fukuoka, Japan
  • Takahiro Hasebe - Hokkaido University, Sapporo, Japan
  • Tatsuhiro Honda - Senshu University, Tokyo, Japan
  • Mihai Iancu - Babeș-Bolyai University, Cluj-Napoca, Romania
  • Fiana Jacobzon - Braude College, Karmiel, Israel
  • Cezar Joiţa - Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania
  • Massimo Lanza de Cristoforis - University of Padova, Italy
  • Sergey E. Mikhailov - Brunel University London, UK
  • Dorina Mitrea - Baylor University, Texas, USA
  • Irina Mitrea - Temple University, Philadelphia, USA
  • Marius Mitrea - Baylor University, Texas, USA
  • Takuya Murayama - Kyushu University, Fukuoka, Japan
  • Camil Muscalu - Cornell University, Ithaca, NY, USA
  • Victor Nistor - Université de Lorraine, Metz, France
  • Mihai Pascu - Transilvania University of Braşov, Romania
  • Cornel Pintea - Babeș-Bolyai University, Cluj-Napoca, Romania
  • Eric Schippers - University of Manitoba, Winnipeg, MB, Canada
  • Alexandru Tămăşan - University of Central Florida, FL, USA
  • Wolfgang L. Wendland - University of Stuttgart, Institute for Applied Analysis and Numerical Simulation & SIMTECH, Germany

Schedule

Book of abstracts


Important! Notice that the displayed hours are in accordance with the Romanian time (UTC+2).


Day 1 Day 2 Day 3


Romanian
Time
Day 1    (Friday, 29th of November)
Speaker Title of the talk
9:15 - 9:30 Mirela Kohr Opening Ceremony
9:30 - 10:15 Hidetaka Hamada Solutions to the Loewner partial differential equation in infinite dimensions
10:20 - 11:05 Victor Nistor Elliptic problems with 'log-normal' random coefficients
11:10 - 11:55 Takahiro Hasebe Generators of Loewner chains with applications to certain noncommutative stochastic processes on the unit circle
12:00 - 12:45 Tatsuhiro Honda Bohr's phenomena on the unit ball of a complex Banach space
12:50 - 13:35 Wolfgang L. Wendland Pseudodifferential Operators with Symbols of Potential Type
13:40 - 14:25 Massimo Lanza de Cristoforis Normal derivatives on the boundary of Hölder continuous solution of the Poisson equation
14:30 - 15:10 Break
15:10 - 15:55 Filippo Bracci The structure of invariant subspaces for finite index shifts on the Hardy space
16:00 - 16:45 Irina Mitrea Boundary Value Problems for Higher Order Differential Operators in Vanishing Chord Arc Domains
16:50 - 17:35 Camil Muscalu Mixed norm estimates via the Helicoidal Method
17:40 - 18:25 Dorina Mitrea Scattering theory and integral representation formulas
18:30 - 19:15 Marius Mitrea The Extension Problem for CR functions on Uniformly Rectifiable Sets
19:20 - 20:05 Zoltán Balogh Logarithmic Sobolev inequalities on Euclidean submanifolds: sharpness, rigidity and applications
20:10 - 20:55 Tamás Darvas The trace operator of quasi-plurisubharmonic functions on compact Kähler manifolds

Romanian
Time
Day 3    (Sunday, 1st of December)
Speaker Title of the talk
10:00 - 10:45 Pavel Gumenyuk Boundary conformality, hyperbolic distortion and geodesic convexity in the unit disk
10:50 - 11:35 Sergey Mikhailov On Serrin-Type Spatially-Periodic Solutions for Evolution Anisotropic Navier-Stokes Equations
11:40 - 12:25 Anatoly Golberg Mappings of finite directional distortion
12:30 - 13:15 Santiago Diaz-Madrigal Commutativity in non-elliptic discrete iteration
13:20 - 14:05 Fiana Jacobzon An `inverse Fekete-Szegö problem' and filtration of generators
14:10 - 15:30 Break
15:30 - 16:00 Paula Curt On some coefficients inequalities in one and several variables
16:05 - 16:50 Teodor Bulboacă Q-difference operator extension of Nehari's inequality and applications to majorization results
16:55 - 17:40 Cornel Pintea The size of critical sets
17:45 - 18:15 Eduard Grigoriciuc The Graham-Kohr extension operator in complex Banach spaces
18:20 - 18:50 Mihai Aron An extension operator of Roper-Suffridge and Graham-Kohr type
18:55 - 19:10 Mirela Kohr Closing Ceremony

Photos




Professor Gabriela Kohr - lecture at the University of Toronto




Professor Gabriela Kohr in Japan


  

Gabriela Kohr in the campus of the University of Toronto


  

Gabriela Kohr in the campus of the University of Toronto




Gabriela and Mirela Kohr


More photos at Gabriela Kohr's webpage.

Contact


Mirela Kohr, main organizer

Faculty of Mathematics and Computer Science
Babeş-Bolyai University
1 M. Kogălniceanu Str.
400084 Cluj-Napoca, Romania

Email: mkohr@math.ubbcluj.ro
For technical problems, please contact

Mihai Iancu
Email: miancu@math.ubbcluj.ro

or

Eduard S. Grigoriciuc
Email: eduard.grigoriciuc@ubbcluj.ro
(Workshop webpage created by Eduard S. Grigoriciuc)