Workshop dedicated to the memory of
Professor Gabriela Kohr
(2nd Edition)



Geometric Function Theory in Several Complex Variables and Complex Banach Spaces




1 - 3 December 2022
Cluj-Napoca, Romania
(online, via Zoom - link will be sent by email)

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
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

Previous Edition


Workshop dedicated to the memory of Professor Gabriela Kohr
(1st Edition, December 2021)

Invited Speakers


  • Lucian Beznea - Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania
  • Filippo Bracci - Tor Vergata University, Rome, Italy
  • 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
  • Ciprian Demeter - Indiana University, Bloomington, USA
  • Santiago Diaz-Madrigal - University of Seville, Spain
  • Mark Elin - Braude College, Karmiel, Israel
  • Anatoly Golberg - Holon Institute of Technology, Israel
  • Ian Graham - University of Toronto, Canada
  • Pavel Gumenyuk - Polytechnical University of Milan, Italy
  • Hidetaka Hamada - Kyushu Sangyo University, Fukuoka, 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
  • David Kalaj - University of Montenegro, Podgorica, Montenegro
  • Massimo Lanza de Cristoforis - University of Padova, Italy
  • Sergey E. Mikhailov - Brunel University London, UK
  • Victor Nistor - Université de Lorraine, Metz, France
  • Mihai Pascu - Transilvania University of Braşov, Romania
  • Cornel Pintea - Babeș-Bolyai University, Cluj-Napoca, Romania
  • Radu Precup - Babeș-Bolyai University, Cluj-Napoca, Romania
  • Oliver Roth - University of Wuerzburg, Germany
  • David Shoikhet - Holon Institute of Technology & Braude College, Israel
  • Matti Vuorinen - University of Turku, Finland
  • 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 -

Thursday, 1st of December
10:00 - 10:30 - Mirela Kohr -
Opening Ceremony
10:30 - 11:15 - Oliver Roth -
Geometric versions of Schwarz’s lemma for spherically convex functions
11:20 - 12:05 - David Shoikhet -
Fixed point theory of holomorphic mappings in complex spaces and applications
12:10 - 12:55 - David Kalaj -
Gaussian curvature conjecture
13:00 - 14:00 Break
14:00 - 14:45 - Matti Vuorinen -
Conformal Geometry, Capacity and Computation
14:50 - 15:35 - Wolfgang L. Wendland -
On the computation of transmission problems
15:40 - 16:00 Break
16:00 - 16:45 - Tamás Darvas -
The Mabuchi geometry of low energy classes
16:50 - 17:35 - Victor Nistor -
Layer potentials on manifolds with cylindrical ends
17:40 - 18:25 - Dan Coman -
Extension of quasiplurisubharmonic functions
18:30 - 19:15 - Ciprian Demeter -
Restriction of exponential sums to hypersurfaces
19:20 - 20:00 - Fiana Jacobzon -
The Fekete–Szego problem for spirallike mappings and non-linear resolvents in Banach spaces

Romanian
Time		 - Day 2-

Friday, 2nd of December
10:00 - 10:45 - Hidetaka Hamada -
A-normalized univalent subordination chains and Loewner PDE in infinite dimensions
10:50 - 11:35 - Tatshuiro Honda -
Composition operators between Bloch-type spaces on the homogeneous unit balls
11:40 - 12:25 - Santiago Diaz-Madrigal -
Slope problems in the theory of semigroups of holomorphic self-maps of the unit disc
12:30 - 13:15 - Pavel Gumenyuk -
Iteration, Loewner Theory, and Markov Processes
13:20 - 14:05 - Mihai Pascu -
Sequence ordering and applications
14:10 - 14:55 - Mark Elin -
Filtration of generators and an inverse Fekete–Szego problem
15:00 - 16:45 Break
16:45 - 17:30 - Cezar Joita -
Projection of connected Stein open subsets via surjective holomorphic maps
17:35 - 18:20 - Mihai Cristea -
On the radial limits of mappings satisfying the inverse Poletsky modular inequality on Riemannian manifolds
18:25 - 19:10 - Anatoly Golberg -
Metric approach in geometric function theory

Romanian
Time		 - Day 3 -

Saturday, 3rd of December
10:00 - 10:45 - Radu Precup -
Analysis of Navier-Stokes models for flows in bidisperse porous media
10:50 - 11:35 - Massimo Lanza de Cristoforis -
On the boundary behaviour of the double layer potential of second order elliptic differential operators
11:40 - 12:25 - Sergey E. Mikhailov -
On Spatially-Periodic Solutions of Evolution Anisotropic Stokes, Oseen, and Navier-Stokes Equations
12:30 - 13:25 Break
13:25 - 14:10 - Lucian Beznea -
Classical and recent results on the existence of invariant measures for transition functions
14:15 - 15:00 - Paula Curt -
Janowski subclasses of biholomorphic mappings
15:05 - 15:50 - Mihai Iancu -
On Loewner chains and related problems for bounded balanced pseudoconvex domains in ℂn
15:55 - 16:20 Break
16:20 - 17:05 - Martin Chuaqui Farrú -
An overview of the Schwarzian derivative in several complex variables
17:10 - 17:55 - Cornel Pintea -
The level sets of functions with bounded critical sets and bounded Hess+ complements
18:00 - 18:45 - Teodor Bulboaca -
Norm estimates for some subclasses of Ma-Minda type functions
18:50 - 19:10 - Eduard Grigoriciuc -
The Graham-Kohr extension operator and subclasses of biholomorphic mappings in ℂn
19:10 - 19:30 - 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)