Workshop 2026 :: Professor Gabriela Kohr

Professor Gabriela Kohr

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

Previous Editions

Workshop dedicated to the memory of Professor Gabriela Kohr
- 1^st Edition, December 2021 -
- 2^nd Edition, December 2022 -
- 3^rd Edition, December 2023 -
- 4^th Edition, December 2024 -
- 5^th Edition, December 2025 -

Invited Speakers

Alexandru Aleman - Lund University, Sweden
Cipriana Anghel-Stan - Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania and University of Göttingen, Germany
Zoltán Balogh - University of Bern, Switzerland
Lucian Beznea - Simion Stoilow Institute of Mathematics of the Romanian Academy and University POLITEHNICA Bucharest, Romania
Teodor Bulboacă - Babeș-Bolyai University, Cluj-Napoca, Romania
Martin Chuaqui Farrú - Pontifical Catholic University of Chile, Santiago, Chile
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
Mark Elin - Ort 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
Eduard Grigoriciuc - Babeș-Bolyai University, Cluj-Napoca, Romania
Pavel Gumenyuk - Polytechnical University of Milan, Italy
Hidetaka Hamada - Kyushu Sangyo University, Fukuoka, Japan
Tatsuhiro Honda - Senshu University, Tokyo, Japan
Ikkei Hotta - Yamaguchi University, Ube, 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
László Lempert - Purdue University, West Lafayette, USA
María J. Martín - University of La Laguna, Canary Islands, Spain
Sergey E. Mikhailov - Brunel University London, UK
Irina Mitrea - Temple University, Philadelphia, USA
Marius Mitrea - Baylor University, Texas, USA
Camil Muscalu - Cornell University, Ithaca, NY, USA
Victor Nistor - Université de Lorraine, Metz, France
Mihai N. Pascu - Transilvania University of Braşov, Romania
Cornel Pintea - Babeș-Bolyai University, Cluj-Napoca, Romania
Oliver Roth - University of Würzburg, Germany
Toshiyuki Sugawa - Tohoku University, Sendai, Japan
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, 27^th of November)
Romanian Time	Speaker	Title of the talk
8:15 - 8:30	Mirela Kohr	*Opening Ceremony*
8:30 - 9:15	Mihai Iancu	*Presenting a joint paper of Gabriela Kohr*
9:20 - 10:05	Hidetaka Hamada	*Bieberbach conjecture, 1/4-theorem and Bloch constant in infinite dimensions*
10:10 - 10:55	Tatsuhiro Honda	*Bohr-Rogosinski phenomena in complex Banach spaces*
11:00 - 11:45	Oliver Roth	*Old and new on maximal Blaschke products*
11:50 - 12:35	Alexandru Aleman	About cyclicity in weighted Dirichlet spaces
12:40 - 13:25	Cipriana Anghel-Stan	*Asymptotics of the Selberg Zeta function on the spin moduli space*
13:30 - 16:00	Break
16:00 - 16:45	Irina Mitrea	*TBA*
16:50 - 17:35	Camil Muscalu	*TBA*
17:40 - 18:25	Victor Nistor	*Applications of operator algebras and operator theory to boundary value problems and layer potentials*
18:30 - 19:15	Marius Mitrea	*TBA*
19:20 - 20:05	Massimo Lanza de Cristoforis	*TBA*
20:10 - 20:55	László Lempert	*Ellipsoids in pseudoconvex domains*
21:00 - 21:45	Sergey Mikhailov	*Evolution Boundary-Domain Integral Equations Equivalent to the Initial-Dirichlet Boundary Value Problem for a Non-stationary Variable-Coefficient Heat Equation*

Romanian Time	Day 2 (Saturday, 28^th of November)
Romanian Time	Speaker	Title of the talk
9:20 - 10:05	Lucian Beznea	*Nonlinear Dirichlet problem of non-local branching processes*
10:10 - 10:55	Cezar Joiţa	*On the image of an analytic map germ*
11:00 - 11:45	Mihai Pascu	*Beyond the Identity Theorem: Reconstructing Analytic Functions from a Sequence of Values*
11:50 - 12:35	Zoltán Balogh	*Sharp stability in hypercontractivity and logarithmic Sobolev inequalities*
12:40 - 13:25	Aurelian Gheondea	*TBA*
13:30 - 15:00	Break
15:00 - 15:45	Anatoly Golberg	*Absolute continuity in higher dimensions: variable shrinking and the ACL property*
15:50 - 16:35	María J. Martín	*TBA*
16:40 - 17:25	Tamás Darvas	*Understanding entropy using Aubin-Yau deformations*
17:30 - 18:15	Martin Chuaqui Farrú	*The Ahlfors-Weill reflection on convex domains and Nehari quasidisks*
18:20 - 19:05	Mihai Cristea	*On the modulus of continuity of open, light mappings satisfying a Poletsky modular inequality*
19:10 - 19:40	Paula Curt	*On the Generalized Fekete-Szegő Functional*
19:45 - 20:30	Alexandru Tămășan	*On a Carleman-type identity for A-analytic maps and applications to Doppler tomography from partial data*

Romanian Time	Day 3 (Sunday, 29^th of November)
Romanian Time	Speaker	Title of the talk
9:45 - 10:30	Toshiyuki Sugawa	*TBA*
10:35 - 11:20	Mark Elin	*Approximation by polynomials in weak Banach spaces of vector-valued analytic functions*
11:25 - 12:10	Fiana Jacobzon	*Filtration Families of Semigroup Generators: Structure, Geometry, and Dynamics*
12:15 - 13:00	Pavel Gumenyuk	*Simultaneous linearization of commuting non-elliptic self-maps and generalized embeddability*
13:05 - 13:50	Ikkei Hotta	*Spherical length, local connectedness and linear accessibility*
13:55 - 16:00	Break
16:00 - 16:45	Cornel Pintea	*TBA*
16:50 - 17:35	Teodor Bulboaca	*Lemniscate Starlike Functions: The Proof of Sokół's Conjecture*
17:40 - 18:25	Eduard Grigoriciuc	*TBA*
18:30 - 19:10	Mihai Aron	*The Graham-Kohr extension operator for spirallike and plurispirallike mappings on pluristarlike domains in complex Banach spaces*
19:15 - 19:45	Mirela Kohr	*Closing Ceremony*