Armin Rainer
Conferences, Research stays, Talks
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June 2025:
Tame Geometry and Extension of Functions -- Conference in Honour of Wieslaw Pawlucki's 70th Birthday,
June 23-27, 2025, Jagiellonian University, Krakow, Poland.
Talk: On the semialgebraic Whitney extension problem
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June 2025:
International Workshop on Functional Analysis
on the Occasion of the 70th Birthday of Jose Bonet,
June 17-19, 2025, Universitat Politècnica de València, València, Spain.
Talk: Smooth extension from closed sets via curve-based criteria
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May 2025:
Geometry Seminar, May 22, 2025, Università di Trento, Italy.
Talk: Estensioni regulari e geometria degli insiemi definibili
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April 2025:
AKOR Seminar,
April 24, 2025, VADOR, TU Wien, Austria.
Talk: On the semialgebraic Whitney extension problem
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February 2025:
Tame geometry,
February 10-14, 2025, CIRM, Marseille, France,
part of the Themetic Month: Singularities, differential equations, transcendence.
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December 2024:
AKOR Seminar,
December 12, 2024, VADOR, TU Wien, Austria.
Talk: On the regularity of the solution map for polynomials
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October 2024:
Workshop "Algebraicity and Transcendence for Singular Differential Equations",
October 7 - 18, 2024,
ESI, Vienna, Austria.
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July 2024:
9-th ECM Sevilla 2024, Spain,
July 15 - 19, 2024.
Talk in the Mini-Symposium "Geometry, Algebra and Asymptotic Analysis of Differential Equations and Dynamical Systems",
(on July 18): On the semialgebraic Whitney extension problem
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June 2024:
Special Session of the Central European Seminar in Celebration of Peter Michor's 75th Birthday,
Masaryk University, Brno, Czech Republic,
June 6 - 8, 2024.
Talk on June 6: On the semialgebraic Whitney extension problem
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April 2024:
Commutative Algebra and Differential Equations Seminar, University of Vienna, Austria.
April 11, 2024.
Talk: Perturbation theory of polynomials and linear operators
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February 2024:
Geometric Structures Research Seminar SISSA, Trieste, Italy.
February 27, 2024.
Talk: On the semialgebraic Whitney extension problem
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October 2023:
Model theory seminar (KGRC) Vienna, Austria.
October 25, 2023.
Talk: On Whitney's extension problem in o-minimal structures
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October 2023:
Seminaire Chambery, France.
October 19, 2023.
Talk: On polynomial-like properties of differentiable functions
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September 2023:
Singularities, CIRM, Luminy, France.
September 25 - 29, 2023.
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August 2023:
Three days between Analysis and Geometry in Trento, Italy,
August 28 - 30, 2023.
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June 2023:
Functional analysis meeting at Mons, Belgium,
June 12 -13, 2023.
Talk: On polynomial-like properties of differentiable functions
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May 2023:
Algebra, Topology and Geometry Seminar,
Laboratoire Jean Alexandre Dieudonne, Nice,
May 11, 2023.
Talk: On polynomial-like properties of differentiable functions
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January 2023:
Gdansk-Krakow-Lodz-Warszawa Seminar in Singularity Theory,
January 20, 2023.
Talk: Tame properties of differentiable functions
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December 2022:
Gdansk-Krakow-Lodz-Warszawa Workshop in Singularity Theory,
A special session dedicated to the memory of Stansilaw Lojasiewicz,
Banach Center, Warsaw, December 11 - 17, 2022.
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November 2022:
Oberwolfach Research Fellows (OWRF) ID 2244p,
with Adam Parusinski.
MFO, Germany. October 30 - November 19, 2022.
Title: Subanalytic geometry and applications in analysis
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September 2022:
Real Algebraic Geometry and Singularities,
Conference in honor of Wojciech Kucharz's 70th birthday.
Krakow, Poland. September 12 - 16, 2022.
Plenary talk: Arc-smooth functions and cuspidality of sets
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June 2022:
Workshop on Functional and Complex Analysis,
Valladolid, Spain. June 20 - 24, 2022.
Talk: Nonlinear conditions for ultradifferentiability
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June 2022:
Workshop on Tame Geometry: Interactions Between O-minimal, Complex Analytic and Nonarchimedean Methods,
The Fields Institute, Toronto, Canada. June 6 - 10, 2022.
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May--June 2022:
Mini-workshop on Transseries and Dynamical Systems,
The Fields Institute, Toronto, Canada. May 30 - June 1, 2022. Invited talk: Nonlinear conditions for differentiability by almost analytic extension
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January 2022:
Introductory Workshop on Tame Geometry, Transseries and Applications to Analysis and Geometry,
The Fields Institute, Toronto, Canada. January 10 - 14, 2022.
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January -June 2022:
Thematic Program on Tame Geometry, Transseries and Applications to Analysis and Geometry,
The Fields Institute, Toronto, Canada. January 1 - June 30, 2022.
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September 2021:
Conference "Singularity Theory and Regular Stratifications" (On the occasion of the retirement of David Trotman),
FRUMAM, Marseille, France. September 29 - October 1, 2021.
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June 2021:
O-Minimality and Foliations,
CIRM, Luminy, France. May 31 - June 4, 2021.
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May 2021:
School of Real Geometry in Fortaleza, Brazil.
May 24 - 28, 2021. Invited mini-course: From Ultra-differentiable to Quasi-analytic Analysis
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September 2020:
International Conference on Generalized Functions,
Ghent, Belgium.
Plenary talk on September 2, 2020: Ultradifferentiable extension theorems
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February 2020:
56th Session of Seminar Sophus Lie,
Paderborn, Germany.
Talk on February 14, 2020: ODE-closed function spaces and groups of diffeomorphisms on R^d
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April 2019:
Real and Complex singularities,
Cargese, Corsica, France.
Conference in honour of the 60th birthday of Adam Parusinski.
Talk on April 29, 2019: Polynomials equations with smooth coefficients
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February 2019:
Seminaire Singularites
Marseille, France.
Talk on February 28, 2019: Algebraic equations with smooth coefficients and applications
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February 2019:
Professeur Invité at
Laboratoire Jean-Alexandre Dieudonne, University of Nice Sophia Antipolis, France.
Talk in the Algebra, Topology and Geometry Seminar on February 7, 2019:
Algebraic equations with smooth coefficients and applications
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January 2019:
Seminar Klagenfurt,
Talk on January 21, 2019: Algebraic equations with smooth coefficients and applications
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July 2018:
Pawel Domanski Memorial Conference.
Banach Center, Bedlewo, Poland.
Talk on July 2, 2018: The regularity of roots of smooth polynomials.
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January 2018:
Oberseminar 'Reine Mathematik'.
University of Passau, Germany.
Talk on January 16, 2018: Arc-smooth functions on closed sets.
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May 2017:
Oberwolfach Workshop: O-Minimality and its Applications to Number Theory and Analysis.
Oberwolfach, Germany.
Talk on May 2, 2017: Recognizing (ultra)differentiability on closed sets.
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April 2017:
Emergent trends of Complex Analysis and Functional Analysis. Contemporary quasianalyticity problems.
Warsaw, Poland.
Talk on April 26, 2017: The convenient setting for ultradifferentiable mappings.
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February 2017:
Seminar talk.
University of Valladolid, Spain.
Talk on February 23, 2017: Recognizing (ultra)differentiable functions on closed sets.
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November 2016:
fjvsing16 : The 4th Franco-Japanese-Vietnamese Singularities.
Chambery, France (November 7 - 11, 2016).
Talk on November 10, 2016: Regular roots of polynomials and its applications.
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October 2015:
Analysis Seminar Innsbruck.
Igls/Vill, Austria (October 23 - 25, 2015).
Talk on October 24, 2015: Optimal regularity of roots of smooth polynomials.
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June 2015:
Workshop on Functional Analysis Valencia.
On the occasion of the 60th birthday of Jose Bonet.
Valencia, Spain (June 15 - 19, 2015).
Talk on June 19, 2015: On Lie groups of diffeomorphisms generated by time-dependent vector fields.
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June 2015:
Real analytic geometry and trajectories of vector fields.
CIRM, Luminy, France (June 8-12, 2015).
Talk on June 10, 2015: Optimal regularity of roots of smooth polynomials.
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January 2015:
Infinite-dimensional Riemannian geometry.
ESI, Vienna, Austria.
January 13, 2015. Talk: On Lie groups of diffeomorphisms generated by time-dependent vector fields.
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December 2014:
Geometry and Model Theory Seminar.
Fields Institute, Toronto, Canada.
December 4, 2014. Talk: On the regularity of roots of smooth polynomials.
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September 2014:
DMV PTM Joint Meeting 2014.
Poznan, Poland.
September 17 - 20, 2014. Talk: An exotic zoo of diffeomorphism groups on R^n.
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April/May 2014:
Research stay at the
University of Nice Sophia Antipolis,
Department of Mathematics,
April 11 - May 10. Talk in the Algebra, Topology, and Geometry Seminar on April 24:
On the regularity of roots of polynomials.
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September 2013:
The 1st Franco-Japanese-Vietnamese
Symposium on Singularities.
Laboratoire Jean-Alexandre Dieudonne, University of Nice, France.
September 16 - 21, 2013.
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June 2013:
Workshop Functional Analysis Valencia.
On the occasion of the 60th birthday of Andreas Defant.
Valencia, Spain.
June 3 - 6, 2013. Talk: The regularity of roots of polynomials.
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May 2012:
Functional Analysis: Applications to Complex Analysis and Partial Differential Equations.
The Mathematical Research and Conference Center Bedlewo, Poland.
May 6 - 12, 2012. Talk: Convenient setting for Denjoy--Carleman classes of Beurling and Roumieu type.
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April 2012:
Professeur Invité at
Laboratoire Jean-Alexandre Dieudonne, University of Nice Sophia Antipolis, France.
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June 2011:
Real Algebraic Geometry Conference.
Institut de Recherche Mathématiques de Rennes, France.
June 20 - 24, 2011. Talk: Quasianalytic and Lipschitz perturbation theory for normal operators.
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May 2011:
Colloque: Singularites Reelles et Systemes Dynamiques.
Laboratoire Jean-Alexandre Dieudonne, University of Nice Sophia Antipolis, France.
May 16 - 19, 2011. Talk: The exponential law for quasianalytic Denjoy--Carleman classes.
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December 2010:
Research stay at the
University of Nice Sophia Antipolis,
Department of Mathematics,
December 9th - 12th. Talk in the Algebra, Topology, and Geometry Seminar:
Lifting quasianalytic mappings over invariants.
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October 2010:
Colloquium of the Faculty of Mathematics, University of Vienna,
October 20, 2010,
Habilitationsvortrag:
Quasianalytic perturbation theory & The convenient setting for Denjoy-Carleman classes.
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October 2010:
Conference on Singularities and Geometry-Topology, dedicated to Sabir Gusein-Zade on the occasion of his 60th birthday.
El Escorial, Madrid, Spain.
October 10 - 16, 2010.
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December 2009:
2009 CMS Winter Meeting.
University of Windsor, Ontario, Canada.
December 5 - 7, 2009.
Talk: Quasianalytic perturbation of polynomials and linear operators.
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October 2009:
Real Singularities in Analysis and Geometry.
Institut de Recherche Mathématiques de Rennes, France.
October 26 - 30, 2009.
Talk: Quasianalytic perturbation of polynomials and linear operators.
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October 2009:
Geometry and Topology Seminar.
University of Toronto, Department of Mathematics.
Talk: Perturbations of polynomials and lifting mappings over invariants.
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January - June 2009:
Thematic Program on o-minimal structures and real analytic geometry.
Fields Institute, Toronto.
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June 2009:
Workshop on Finiteness Problems in Dynamical Systems.
Fields Institute, Toronto.
June 22 - 26, 2009.
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May 2009:
Central European Seminar, Special edition dedicated to
Peter Michor. Organized by
Eduard Cech Center.
May 29 - 30, Mikulov, Czech Republic.
Talk: Perturbation of polynomials and normal matrices.
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April 2009:
Geometry and Model Theory Seminar.
Fields Institute, Toronto.
Talk: Perturbation of polynomials and normal matrices.
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January 2009:
Winter School in o-minimal Geometry.
Fields Institute, Toronto.
January 12 - 16, 2009.
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October 2008:
University of Pisa,
Department of Mathematics.
Analysis Seminar. Talk: Quasianalytic multiparameter perturbation of polynomials and operators.
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September - November 2008:
Groups in Algebraic Geometry.
Centro di Ricerca Ennio de Giorgi, Pisa.
01 September - 15 November 2008.
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August 2008: Research stay at the University of Vienna,
Department of Mathematics.
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January 2007:
27th Winter School Geometry and Physics
in Srní, Czech Republic. Talk: Orbit projections as fibrations.
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November 2006:
Seminar Sophus Lie XXXII
at the
Erwin Schrödinger Institute (ESI) in Vienna, Austria.
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January 2006:
26th Winter School Geometry and Physics
in Srní, Czech Republic. Talk: Choosing roots of polynomials with symmetries smoothly.
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July 2005:
Summer School and Conference on Poisson Geometry
at the
ICTP
in Trieste, Italy.
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March 2005:
University of Vienna, Department of Mathematics,
Graduate Student Seminar.
Talk: Choosing roots of polynomials smoothly and lifting smooth curves over invariants.
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February 2005:
Research stay at the
University of Pisa,
Department of Mathematics
from February 13th to February 25th. Talk: Choosing roots of polynomials smoothly and lifting smooth curves over invariants.
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January 2005:
25th Winter School Geometry and Physics
in Srní, Czech Republic. Talk: Lifting smooth curves over invariants.
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January 2004:
24th Winter School Geometry and Physics
in Srní, Czech Republic.
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September 2003:
8th Meeting of the
Austrian Mathematical Society (ÖMG),
Joint Conference in Cooperation with
SIMAI
and
UMI,
September 22-26, 2003 in Bolzano, Italy. Talk: Choosing roots of polynomials smoothly and lifting smooth curves over invariants.
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August 2003:
Alanfest and Symplectic Geometry and Moment Maps organized at the
Erwin Schrödinger Institute (ESI)
in Vienna, Austria.
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