Athanasios (Thanasis) Chatzistavrakidis Research Associate Division of Theoretical Physics, 

Go to: Conference Talks
⚛
Invited Lectures
⚛ Outreach Talks
A. Talks in International Conferences and Workshops
ESI Thematic programme "Higher Structures and Field Theory" ,
718 September 2020, Vienna, Austria
(Invited Speaker)
Title: Graded Geometry for MixedSymmetry Tensor Gauge Theories and Duality
Xmas Theoretical Physics Workshop,
1920 December 2019, Athens, Greece
(Invited Speaker)
Title: Gauge Symmetries and Higher Structures
Supersymmetries and Quantum Symmetries 2019, 2531 August 2019, Yerevan, Armenia
Title: Graded Geometry, Tensor Galileons and Duality
Quantum structure of spacetime: Generalized geometry & symmetries, 1216 April 2019, Bayrischzell, Germany (Invited Speaker)
Title: M Theory Fluxes and Threebrane Sigma Models
Quantum Spacetime '19, 1115 February 2019, Bratislava, Slovakia
Title: Sigma Models and Nongeometric Fluxes in String and M theories
8th Bangkok Workshop on HighEnergy Theory, 711 January 2019, Chulalongkorn University, Thailand
Title: Fluxes in Exceptional Field Theory and Threebrane Sigma Models
Matrix Models for Noncommutative Geometry and String Theory, 913 July 2018, ESI Vienna, Austria (Invited Speaker)
Title: TDuality, fluxes and noncommutativity in closed string theory
HEP 2018 Recent Developments in High Energy Physics and Cosmology, 28 March  1 April 2018, Athens, Greece
Title: NewtonCartan (Super)Gravity and Torsion
String Dualities and Geometry, 1419 January 2018, Bariloche, Argentina (Invited Speaker)
Title: The structure of a DFT algebroid
The early Universe as a signature for quantum spacetime, 2629 March 2017, Athens, Greece (Invited Speaker)
Title: Towards generic spacetime structures in string theory
XXIX Workshop Beyond the Standard Model, 2023 March 2017, Bad Honnef, Germany
Title: Tensor Galileons and Gravity
11th Nordic String Theory Meeting, 910 February 2017, Hannover, Germany
Title: Tensor Galileons and Gravity
Recent Developments in Strings and Gravity, 1217 September 2016, Corfu, Greece
Title: Universal Gauge Theory in Two Dimensions
Generalized Geometry and Tdualities, 913 May 2016, Simons Center for Geometry and Physics, Stony Brook, USA
Title: Gauged sigma models and nonisometric Tduality
Nordic String Meeting 2016, 1415 March 2016, Bremen, Germany
Title: Sigma models and generalized geometries
Quantum Spacetime '16, 612 February 2016, Zakopane, Poland (Invited Review Speaker)
Title: Fuzzy extra dimensions, matrix models and particle physics: an overview
Athens Regional Meeting in Theoretical High Energy Physics, 15 January 2016, Athens, Greece (Invited speaker)
Title: Beyond the Standard Gauging: 2D sigmamodels and Tduality
Humboldt Kolleg on Open Problems in Theoretical Physics, 1822 September 2015, Corfu, Greece (Invited Speaker)
Title: Tduality without isometry via hidden gauge symmetries in 2D sigma models
CERNCKC TH Institute on Duality Symmetries in String and MTheories, 3  14 August 2015, CERN, Switzerland (Plenary Speaker)
Title: Gauging of 2D sigma models without isometry and genuinely nongeometric backgrounds from 3D sigma models.
eNLarge Horizons IFT Workshop, 15 June 2015, Madrid, Spain
Title: The SO(10,10) matrix model
HEP2015  Recent Developments in High Energy Physics and Cosmology, 1518 April 2015, Athens, Greece
Title: Courant algebroids and sigma models for genuinely nongeometric backgrounds
RTG Models of Gravity Autumn Workshop, 30 September  2 October 2014, Hannover, Germany
Title: Dynamical phase space from a SO(10,10) matrix model
Bayrischzell Workshop 2014: Quantized geometry and physics, 2326 May 2014, Bayrischzell, Germany (Invited speaker)
Title: Phase space quantization, noncommutativity and the gravitational field
Workshop on Noncommutative Field Theory and Gravity, 815 September 2013, Corfu, Greece
Title: Connections among Udual branes and nongeometric string backgrounds
Supersymmetries and Quantum Symmetries  SQS 2013, 29 July  3 August 2013, JINR, Dubna, Russia
Title: Fivebranes, dualities and nongeometry
Nordic String Meeting, 67 February 2013, DESY Hamburg, Germany
Title: Flux compactifications and matrix models for superstrings
XVIII European Workshop on String Theory, 1927 September 2012, Corfu, Greece
Title: Matrix theory origins of nongeometric fluxes
Planck 2012, 28 May  1 June 2012, Warsaw, Poland
Title: Twisted compactification of matrix models for superstrings
HEP2012: Recent Developments in High Energy Physics and Cosmology, 58 April 2012, Ioannina, Greece
Title: Matrix theory compactifications on twisted tori
Workshop on Noncommutative Field Theory and Gravity, 711 September 2011, Corfu, Greece (Main speaker)
Title: Intersecting branes and model building in the type IIB matrix model
Quantum Theory and Symmetries (QTS7), 713 August 2011, Prague, Czech Republic
Title: Intersecting branes and model building in the type IIB matrix model
XXIII Bad Honnef Workshop Beyond the Standard Model, 1417 March 2011, Bad Honnef, Germany
Title: Orbifold Matrix Model and Gravity
Satellite Workshop on Noncommutative Field Theory and Gravity,
812 September 2010, Corfu, Greece
Title: Fuzzy extra dimensions and particle physics
models
Noncommutativity and Physics: Spacetime Quantum Geometry, 1417 May 2010, Bayrischzell, Germany (Invited speaker)
Title: Fuzzy extra dimensions and particle physics models
XXVIII Workshop on Recent Advances in Particle Physics and Cosmology, 2528 March 2010, Thessaloniki, Greece
Title: Particle physics models from fuzzy extra dimensions
Particles and Cosmology Workshop, 36 February 2010, Warsaw, Poland
Title: Towards particle physics models from fuzzy extra dimensions
3rd HEPTOOLS annual meeting, 30 November 30  1 December 2009, Vienna, Austria
Title: Towards particle physics models from fuzzy extra dimensions
Workshop on Cosmology  Strings: Theory  Cosmology  Phenomenology, 613 September 2009, Corfu, Greece
Title: NearlyKaehler dimensional reduction of the heterotic string
Noncommutativity and physics: Quantum Geometries and Gravity, 1518 May 2009, Bayrischzell, Germany (Invited speaker)
Title: Dimensional reduction of heterotic string over homogeneous nearlyKaehler manifolds
Supersymmetry and Noncommutative Quantum Field Theory (In Memoriam Julius Wess), 46 December 2008, Vienna, Austria
Title: NearlyKaehler dimensional reduction of the heterotic string
4th EU RTN Workshop: Constituents, Fundamental Forces & Symmetries of the Universe, 1117 September 2008, Varna, Bulgaria
Title: Coset Space Dimensional Reduction of the Heterotic Supergravity
5th Summer School and Conference on Modern Mathematical Physics, 617 July 2008, Belgrade, Serbia
Title: Reduction of heterotic supergravity on coset manifolds
4th Vienna Central European Seminar on Particle Physics and Quantum Field Theory, 30 Nov  2 Dec 2007, Vienna, Austria
Title: Consistent Dimensional Reduction over Coset Spaces
Workshop on Field Theory, Noncommutative Geometry and Strings, 911 November 2007, Zagreb, Croatia
Title: Consistent reductions over coset spaces
B. Invited Lectures in Universities & Research Institutes
Exceptional Geometry Seminar Series (Online) (12 Feb 2021)
Title: Aspects of Duality in Higher Gauge Theories and Gravity
Albert Einstein Institute, Potsdam, Germany (12 May 2020, online due to travel restrictions)
Title: Graded Geometry, MixedSymmetry Tensors and Duality
Jacobs University Bremen, Germany (22 Nov 2019)
Title: Gauge symmetry and higher structures
Institute for Theoretical Physics, Leibniz University Hannover, Germany (20 Nov 2019)
Title: Unifying standard and exotic duality through graded geometry
Van Swinderen Institute, University of Groningen, Netherlands (15 Oct 2019)
Title: Unifying standard and exotic duality through graded geometry
Institut de Physique des 2 Infinis de Lyon, France (10 Oct 2019)
Title: Sigma models, generalised geometry and nongeometric flux backgrounds
Research Training Group Colloquium "Models of Gravity", Bremen, Germany (7 Nov 2018)
Title: Aspects of generalized geometry for closed strings
Rudjer Boskovic Institute, Zagreb, Croatia (11th and 14th October 2016)
Title 1: Symmetries, Dualities and Generalized Geometries
in Gauge and String Theories
Title 2: Courant Algebroids
in String and Membrane NonLinear Sigma Models
National Technical University of Athens, Greece (31 May 2016)
Title: Gauged sigma models and nonisometric Tduality
Institute for Theoretical Physics, Leibniz University Hannover, Germany (13 Apr 2016)
Title: Gauged sigma models and nonisometric Tduality
Van Swinderen Institute, University of Groningen, Netherlands (25 Feb 2016)
Title: Sigma models, gauging and generalized geometry
National Technical University of Athens, Greece (10 Jul 2015)
Title: Courant algebroids and sigmamodels in field and string theories
Dublin Institute for Advanced Studies, Ireland (25 Jun 2015)
Title: Courant algebroids and sigmamodels in field and string theories
Institute of Physics, University of Belgrade, Serbia (22 May 2015)
Title: An introduction to Courant algebroids with applications in physics
School of Physics and Astronomy, Queen Mary University, London, UK (23 Oct 2014)
Title: Coexistence of generalized fluxes and their exotic brane sources
Rudjer Boskovic Institute, Zagreb, Croatia (15 Oct 2014)
Title: Theoretical perspectives for physics between the TeV and the Planck scale
Institute of Physics, University of Belgrade, Serbia (4 Oct 2013)
Title: Uduality, branes and nongeometric string backgrounds
Dipartimento di Fisica, University of Torino, Italy (4 Jun 2013)
Title: Generalized Fluxes and Matrix Compactifications
MaxPlanck Institute for Physics, Munich, Germany (8 Apr 2013)
Title: Generalized Fluxes and Matrix Compactifications
Edinburgh Mathematical Physics Group Seminar, Edinburgh, UK (14 Nov 2012)
Title: Flux compactifications and matrix models for superstrings
Van Swinderen Institute for particle physics and gravity, University of Groningen, Netherlands (16 May 2012)
Title: Matrix theory compactifications on twisted tori
Department of Physics,
National Technical University of Athens, Greece (2 Mar 2012).
Title: Matrix theory compactifications on twisted tori
Faculty of Physics, University of Vienna, Austria (30 Jun 2011)
Title: Gauge theories with noncommutative extra dimensions
Institute for Theoretical Physics,
Leibniz University Hannover, Germany (10 Jun 2011)
Title: Gauge theories with noncommutative extra dimensions
Physikalisches Institut, University of Bonn, Germany (10 May 2010)
Title: Fuzzy extra dimensions and particle physics models
Theoretical Physics Division,
Rudjer Boskovic Institute, Zagreb, Croatia (25 Feb 2010)
Title: Unified particle physics models and fuzzy extra dimensions
CERN Theory Division,
Geneva, Switzerland (1 Feb 2010)
Title: Orbifolds, fuzzy spheres and chiral fermions
C. Outreach Speeches & Talks
Public talk on Modern Theoretical Physics
Reading Society of Corfu, September 2021
Motivational speech on Theoretical Physics for high school students
University of Groningen Open Day, 11th November 2016
"Symmetries and Dualities in Physics"
Outreach talk (in Greek) for highschool teachers of the Corfu island, 13th September 2016
"Fundamental Interactions & Symmetries at the Crossroad of Physics & Mathematics"
Speech (in Greek) at the National Technical University of Athens.
Invited by the Dean of the School of Applied Mathematics and Physical Sciences, 30th May 2016