Name: ACOTCA 2025 : XIX Advanced Course in Operator Theory and Complex Analysis
Start: 2025-06-16T12:00:00+02:00
End: 2025-06-20T14:15:00+02:00
Location: Clermont-Ferrand

ACOTCA 2025 : XIX Advanced Course in Operator Theory and Complex Analysis

from Monday 16 June 2025 (12:00) to Friday 20 June 2025 (14:15)

Monday 16 June 2025

13:00 Welcome and Registration
Welcome and Registration
13:00 - 14:00
Room: Amphi 2

14:00 Fricain 1
Fricain 1
14:00 - 15:00
Room: Amphi 2

15:00 Gorkin 1
Gorkin 1
15:00 - 16:00
Room: Amphi 2

16:00 Coffee
Coffee
16:00 - 16:30
16:30 Session 1
Session 1
16:30 - 18:00
Room: 9109
Contributions

16:30 Commuting holomorphic self-maps of the unit disk and pseudo-iterates - Pavel Gumenyuk (Politecnico di Milano)

17:00 Sampling in (quasi) shift-invariant spaces generated by ratios of exponential polynomials - Ilia Zlotnikov (NTNU)

17:30 On the Shapes of Rational Lemniscates - Kirill Lazebnik (University of Texas at Dallas)
Session 2
Session 2
16:30 - 18:00
Contributions

16:30 Dynamics of shift operators - Quentin Menet (Université de Mons)

17:00 Size of Parameter Set and The Set of Disjoint Hypercyclic Vectors - Sibel Sahin (Mimar Sinan Fine Arts University)

17:30 Mixing and Kitai's Criterion for Composition Operator - Daniel Gomes (Unicamp)
Session 3
Session 3
16:30 - 18:00
Contributions

16:30 Sampling and Interpolation in Small Fock Spaces - Mikhail Mironov (Gustave Eiffel University)

17:00 Determinantal point processes and generalized Fock spaces - Giuseppe Lamberti (Institut de Mathématiques de Bordeaux)

17:30 Cyclicity in Poletsky-Stessin Weighted Bergman Spaces - Pouriya Torkinejad Ziarati (Toulouse Mathematics Institute)
Tuesday 17 June 2025

08:45 Kraus 1
Kraus 1
08:45 - 09:45
Room: Amphi 2

09:45 Shargorodsky 1
Shargorodsky 1
09:45 - 10:45
Room: Amphi 2

10:45 Coffee
Coffee
10:45 - 11:15

11:15 Fricain 2
Fricain 2
11:15 - 12:15
Room: Amphi 2

12:15 Lunch
Lunch
12:15 - 14:15

14:15 Gorkin 2
Gorkin 2
14:15 - 15:15
Room: Amphi 2

15:15 Chalmoukis
Chalmoukis
15:15 - 15:55
Room: Amphi 2

16:00 Coffee
Coffee
16:00 - 16:30
16:30 Session 4
Session 4
16:30 - 18:00
Room: 9109
Contributions

16:30 Algebra and PDE - Dmitry Khavinson (University of South Florida)

17:00 Generalized Rosette Harmonic Mappings and their lifts to Minimal Surfaces - Jane McDougall (Colorado College)

17:30 The Property of Unique Continuation in Certain Spaces Spanned by Rational Functions on Compact Nowhere Dense Sets - James Brennan (University of Kentucky)
Session 5
Session 5
16:30 - 18:00
Room: 9110
Contributions

16:30 Weighted shifts on directed graphs - Dimitris Papathanasiou (Sabanci University)

17:00 Incomplete polynomial approximation and frequent universality - Konstantinos Maronikolakis (Bilkent University)

17:30 Typical properties of positive contractions and the invariant subspace problem - Valentin Gillet (Université de Lille)
Session 6
Session 6
16:30 - 18:00
Room: 9111
Contributions

16:30 A property about seminorms and distances on Fréchet space - Lucas Oger (Université Gustave Eiffel)

17:00 Concentration in the Fourier Symmetric Sobolev space - Denis Zelent (Norwegian University of Science and Technology)

17:30 Reducing subspaces of operators with compact imaginary part - Norberto Clemente Delgado (Universidad Complutense de Madrid-ICMAT)
Wednesday 18 June 2025

08:45 Fricain 3
Fricain 3
08:45 - 09:45
Room: Amphi 2

09:45 Kraus 2
Kraus 2
09:45 - 10:45
Room: Amphi 2

10:45 Coffee
Coffee
10:45 - 11:15

11:15 Ilišević
Ilišević
11:15 - 11:55
Room: Amphi 2

12:00 Curto
Curto
12:00 - 12:40
Room: Amphi 2

12:40

12:40 - 14:00

14:00 Excursion
Excursion
14:00 - 19:00

19:00 Conference Dinner
Conference Dinner
19:00 - 22:00
Thursday 19 June 2025

08:45 Gorkin 3
Gorkin 3
08:45 - 09:45
Room: Amphi 2

09:45 Shargorodsky 2
Shargorodsky 2
09:45 - 10:45
Room: Amphi 2

10:45 Coffee
Coffee
10:45 - 11:15

11:15 Manolaki
Manolaki
11:15 - 11:55
Room: Amphi 2

12:00 Rodríguez-Piazza
Rodríguez-Piazza
12:00 - 12:40
Room: Amphi 2

12:40 Lunch
Lunch
12:40 - 14:30

14:30 Kraus 3
Kraus 3
14:30 - 15:30
Room: Amphi 2

15:30 Martín
Martín
15:30 - 16:10
Room: Amphi 2

16:10 Coffee
Coffee
16:10 - 16:40
16:40 Session 7
Session 7
16:40 - 17:40
Room: 9109
Contributions

16:40 Some Gaussianity criteria for Khinchin families - Víctor Maciá Medina (CUNEF Universidad)

17:10 Hyperrigidity as a form of ’noncommutative’ approximation that captures many important operator-algebraic phenomena - Paweł Pietrzycki (Jagiellonian University)
Session 8
Session 8
16:40 - 17:40
Room: 9110
Contributions

16:40 Critical sets of Hardy spaces and some related problems - Carlo Bellavita (Universitat de Barcelona)

17:10 H(b) spaces that are $\mathcal{D}_\mu$ spaces with infinitely many atoms - Eugenio Dellepiane (Politecnico di Torino)
Session 9
Session 9
16:40 - 17:40
Room: 9111
Contributions

16:40 On the spectrum of Lipschitz operators - Arafat Abbar (LAMA)

17:10 Numerical ranges of antilinear operators - Damian Kołaczek (University of Agriculture in Krakow)
Friday 20 June 2025

08:45 Shargorodsky 3
Shargorodsky 3
08:45 - 09:45
Room: 9110
09:45 Session 10
Session 10
09:45 - 10:45
Room: 9109
Contributions

09:50 The Szász inequalities for matrix polynomials - Piotr Pikul (Jagiellonian University)

10:20 Generalized spaces of constant curvature in almost contact metric geometry - José Airán Santana Rivero (University of La Laguna)
Session 11
Session 11
09:45 - 10:45
Room: 9110
Contributions

09:50 Hypercyclicity of Toeplitz operators - Maëva Ostermann (CNRS - Universtité de Lille)

10:20 Recent progress on hypercyclic holomorphic mappings with slow growth - Zhangchi Chen (East China Normal University)
10:45 Coffee
Coffee
10:45 - 11:15
11:15 Session 12
Session 12
11:15 - 12:45
Room: 9109
Contributions

11:15 Polynomial-Based Approximation of the Koopman Operator - Rishikesh Yadav (Umea University)

11:40 Forward iteration preserves indestructible and maximal Blaschke products - Annika Moucha (University of Würzburg)
Session 13
Session 13
11:15 - 12:45
Room: 9110
Contributions

11:15 Composition operators on the polydisc - Anne DORVAL (UCA)

11:45 Composition Operators and Rational Inner Functions on the bidisc - Athanasios Beslikas (Jagiellonian University)
12:45

12:45 - 14:15

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