Dimitris M. Gerontogiannis

Invited talks

The noncommutative geometry of Cuntz-Krieger algebras. PCMA-2025. National Technical University of Athens, Greece, December 2025
Ideal quantum metrics from fractional Laplacians. Seminar on Dynamical Systems at IM PAN. IM PAN, Warsaw, October 2025 video
Spanier-Whitehead duality for Temperley-Lieb quantum symmetries. Analytic and Geometric Group Theory Seminar. IMPAN, Warsaw, October 2025

Ideal quantum metrics from fractional Laplacians. MACODES25. Deskati, Greece, August 2025

Ideal quantum metrics from fractional Laplacians. IWOTA 2025. University of Twente, Enschede, July 2025.
Laplacians on (quantum) metric spaces. General Mathematics Colloquium, University of Athens, Athens, June 2025.

Ideal quantum metrics from fractional Laplacians. NSeaG 2025. ICMS, Edinburgh, May 2025.
Ideal quantum metrics from fractional Laplacians. Operator Algebras and Noncommutative Geometry seminar (virtual). University of Wollongong, Australia, May 2025
Laplacians on (quantum) metric spaces. University of Bialystok, Bialystok, May 2025.
Smale spaces and their dimension theory. Seminar on Dynamical Systems at IM PAN. IM PAN, Warsaw, February 2025 video
Laplacians on (quantum) metric spaces. General Mathematics Colloquium, Leiden University, Leiden, January 2025.

The log-Laplacian on Ahlfors regular spaces and noncommutative boundaries. North Atlantic Noncommutative Geometry Seminar, IMPAN, Warsaw, November 2024, video

The log-Laplacian on Ahlfors regular spaces and noncommutative boundaries. NCG&T Seminar, Charles University, Prague, November 2024. video

Heat operators and isometry groups of Cuntz–Krieger algebras. Noncommutativity behind the dunes. TU Delft, Delft, October 2024.
The log-Laplacian on Ahlfors regular spaces and noncommutative boundaries. Seminar on Dynamical Systems at IM PAN. IM PAN, Warsaw, October 2024, video

Heat operators and isometry groups on Cuntz–Krieger algebras. NSeaG 2024. University of Southern Denmark, Odense, August 2024.

The log-Laplacian on Ahlfors regular spaces and noncommutative boundaries. Operator Algebras and Noncommutative Geometry seminar (virtual). University of Wollongong, Australia, May 2024

Spectral geometry and foliations on topological Markov chains. Dynamics on zero-dimensional spaces: new connections. Lorentz Center, The Netherlands, May 2024

The logarithmic Dirichlet Laplacian and dynamics on Ahlfors regular spaces. Dynamics in Pure and Applied Mathematics. University of Birmingham, Birmingham, April 2024

KK-duality for Temperley--Lieb subproduct systems. NCG Seminar. Leiden University, Leiden, February 2024

The logarithmic Dirichlet Laplacian on Ahlfors regular spaces. Analysis Seminar. National Technical University of Athens, Athens, December 2023

The logarithmic Dirichlet Laplacian on Ahlfors regular spaces. SDU Operator Algebras Seminar. University of Southern Denmark, Odense, November 2023
The logarithmic Dirichlet Laplacian on Ahlfors regular spaces. Noncommutative geometry meeting. Leiden University, Leiden, November 2023

The logarithmic Dirichlet Laplacian on Ahlfors regular spaces. Leiden - Birmingham mini-conference. University of Birmingham, Birmingham, June 2023

Smale spaces and their dimension theory. NYC Noncommutative Geometry Seminar (virtual). St Johns University, USA, April 2023

A geometric Fredholm module representation of the fundamental class for Smale spaces. Index Theory and Operator Algebras in Topological Physics (virtual). Tohoku University, Japan, March 2023

Smale spaces and their dimension theory. Séminaire, Université de Reims Champagne-Ardenne, France, January 2023

A geometric Fredholm module representation of the fundamental class for Smale spaces. Noncommutative Geometry Workshop, Leiden University, The Netherlands, December 2022

KK-duality for Smale space C*-algebras. Operator Algebra and Noncommutative Geometry seminar (virtual), University of Wollongong, Australia, October 2022
Ahlfors regularity of Smale spaces. Algebra, geometry and number theory seminar, Leiden University, The Netherlands, September 2022
K-homological finiteness of Ruelle algebras. Noncommutative Geometry Along the North Sea 2022, Lorentz Center, The Netherlands, June 2022
K-homological finiteness of Ruelle algebras. Conference on Smale spaces, their groupoids and C*-algebras (virtual), University of Colorado Boulder, USA, May 2022
Noncommutative geometry and dimension of hyperbolic dynamical systems. Seminar on Analysis, Geometry and PDEs (virtual), Lund University, Sweden, April 2021
Smooth algebras associated to Smale spaces and extensions by Schatten ideals. Analysis Seminar, University of Glasgow, UK, March 2021
C*-algebras from Smale spaces and noncommutative topology. Operator Seminar, University of Victoria, Canada, October 2019
Smale spaces. Operator Seminar, University of Victoria, Canada, October 2019
Hyperbolic dynamical systems and topological invariants. 7th Summer School in Operator Theory, University of Athens, Greece, July 2018

Selected contributed talks

The logarithmic Dirichlet Laplacian on Ahlfors regular spaces. NSeaG 2023 - Noncommutative Geometry and Operator Algebras. Hausdorff Center for Mathematics, Germany, May 2023, video
K-homological finiteness of Ruelle algebras. 5th Conferénce de Settat on Operator Algebras and Applications. Leiden University and University of Settat, Morocco, January 2023

K-homological finiteness of Ruelle algebras. Symbolic Dynamics, Groups and Operator Workshop, University of Glasgow, August 2022
Fundamental classes of Smale space C*-algebras and Markov partitions. C*-seminar of Arizona State University (virtual), March 2021
Smooth algebras associated to Smale spaces and extensions by Schatten ideals. GOBA Webinar, February 2021
Geometric K-duality and dimension theory for Smale spaces (3 mins talk). IPAM Workshop ATC 2021 (virtual), January 2021
Geometric K-duality and dimension theory for Smale spaces (3 mins talk). UK Virtual Operator Algebras Seminar, December 2020
K-homological summability for Ruelle algebras, YMC*A 2019. University of Copenhagen, Denmark, August 2019
Hyperbolic dynamical systems and topological invariants, YFAW 2018. University of Newcastle, UK, March 2018

Research visits

Workshop on Operator Algebras and Applications. Fields Institute, Toronto, Canada, September - October 2023. Supported by Horizon Europe programme, Marie Skłodowska--Curie Actions

Host: Ian Putnam, University of Victoria, Canada, October - November 2019. Supported by Graduate School Mobility Scholarship, College of Science and Engineering, University of Glasgow, UK

Selected workshops and conferences

Noncommutativity behind the dunes. TU Delft, The Netherlands, October 2024.

NSeaG 2024. University of Southern Denmark, Denmark, August 2024.

Dynamics on zero-dimensional spaces: new connections. Lorentz Center, The Netherlands, May 2024

Dynamics in Pure and Applied Mathematics. University of Birmingham, UK, April 2024

Workshop on Operator Algebras and Applications: Groups and Group Actions. Fields Institute, Canada, October 2023

Workshop on Operator Algebras and Applications: Symmetry and Structure. Fields Institute, Canada, September 2023

Leiden - Birmingham mini-conference. University of Birmingham, UK, June 2023

NSeaG 2023 - Noncommutative Geometry and Operator Algebras. Hausdorff Center for Mathematics, Germany, May 2023

Noncommutative Geometry and Representation Theory. University of Athens, Greece, March 2023

Index Theory and Operator Algebras in Topological Physics (virtual). Tohoku University, Japan, March 2023

5th Conferénce de Settat on Operator Algebras and Applications. Leiden University and University of Settat, Morocco, January 2023

Noncommutative Geometry Workshop. Leiden University, The Netherlands, December 2022

Symbolic Dynamics, Groups and Operator Workshop. University of Glasgow, UK, August 2022
Noncommutative Geometry Along the North Sea 2022. Lorentz Center, The Netherlands, June 2022
BMC-BAMC Glasgow 2021 (virtual). April 2021

IPAM Workshop ATC 2021 (virtual). January 2021
YMC*A 2019. University of Copenhagen, Denmark, August 2019
Model Sets and Aperiodic Order. University of Durham, UK, September 2018
YMC*A 2018. Katholieke Universiteit Leuven, Belgium, August 2018
7th Summer School in Operator Theory. University of Athens, Greece, July 2018
NBFAS 2018. University of Edinburgh (ICMS), UK, April 2018
YFAW 2018. University of Newcastle, UK, March 2018
Scottish Operator Algebras Seminar. University of Glasgow, UK, February 2018
Applications of the UCT for C*-algebras. University of Copenhagen, Denmark, October 2017
EMS-SCM meeting. University of Edinburgh (ICMS), UK, September 2017
YMC*A 2017. University of Copenhagen, Denmark, August 2017
Applications of Operator Algebras: Order, Disorder and Symmetry. University of Edinburgh (ICMS), UK, June 2017
K-Theory, Subfactors and Conformal Field Theory. University of Cambridge (INI), UK, June 2017
KK-theory, Gauge Theory and Topological Phases. Leiden University, Netherlands, February 2017
Topological Dynamical Systems and Operator Algebras. University of Glasgow, UK, December 2016
From Poisson Geometry to Quantum Fields on Noncommutative Spaces. University of Würzburg, Germany, October 2015