Talks
On polynomial automorphisms, Spim, May 25-29, 2026, IMECC, Campinas
Lipschitz embeddings of algebraic curves, Real Functions Seminar, May 20, 2026, Jagiellonian University, Krakow
Using polynomial automorphisms for algebraic Lipschitz embeddings, Seminar on Analytic Functions and Differential Equations, May 19, 2026, Lodz
Lipschitz embeddings of algebraic curves, GKLW mini-workshop in Singularity Theory, May 15-16, 2026, Warsaw
Nullstellensatz in families of arc-regular functions, GKLW, March 13, 2026
Asymptotic growth of polynomials on sets, Geometry, algebra, and combinatorics seminar, 6 November, 2025, Imecc-UNICAMP, Campinas
Remarks on Lipschitz geometry of cuspidal singularities, 13th Mini Workshop on Singularities, Geometry and Differential Equations, ICMC-USP & UFSCar, São Carlos, Brazil, September 21-26, 2025
Lipschitz Geometry on Conic Singular Manifolds, 8th International Workshop on Singularities in Geometry and Applications - València VIII, ICMC-USP, São Carlos, Brazil, 29th of June - 4th of July, 2025
Singular conic submanifolds and applications, part I, Workshop on Foliations and Singularities, Department of Mathematics - ICEX - UFMG, Belo Horizonte, June 9-11, 2025
Remarks on growth rates of polynomials restricted to subsets, GKLW Mini-Workshop in Singularity Theory, IMPAN, Warsaw, May 30-31, 2025
On noetherian topologies and Nullstellensatze, conference Oblicza Algebry, UKEN, Kraków, May 22-25, 2025
On tame Lipschitz normally embedded sets, Real Functions Seminar at Uniwersytet Jagellonski, Kraków, May 21, 2025
Geometria Lipschitz, Dias Pedagogicas de UECE, Fortaleza, April 1, 2025
On a nice class of definable functions, XLV Conference and Workshop Analytic and Algebraic Geometry, Lodz, January 6-10, 2025
Lipschitz geometry of singular manifolds, 9. Forum Matematyków Polskich, Katowice, September 9-13, 2024
Lipschitz geometry at infinity, Brazilian Singularity Theory Seminar, online, November 31, 2023
Classification of Lipschitz normally embedded curves,
GKLW Seminar, online, April 21, 2023
Lipschitz trivial values of polynomial mappings,
Singularity Day, UFC, Fortaleza, January 19, 2023
Lipschitz trivial values of polynomial mappings,
1st School of Topology and Singularities of the State of Alagoas, IM-UFAL, Maceió, Alagoas, November 22-25, 2022
Anéis e Topologias Noetherianas,
CPMAT - Ciclo de Palestras Matemáticas, online, June 16, 2021
Noetherian topology in o-minimal structures,
Seminar on Analytic Functions and Differential Equations, online, June 8, 2021
Order of a real polynomial on generic arcs in a semialgebraic set,
Séminaire Marseillais de Théorie des Singularités, Aix-Marseille Université, online, December 3, 2020
Constructive approach to optimal degree inequalities on semialgebraic sets,
16th International Workshop on Real and Complex Singularities, online, November 23-30, 2020
Geometria de Equaçoes,
Elas e a Matemática! GEPEMAC Grupo de Pesquisa, online, August 19, 2020
Separation of semialgebraic sets,
Singularity Day, Fortaleza, February 12, 2020
Moment problem in families of semialgebraic sets,
Manaus Conference in Geometry and Analysis, UFAM, Manaus, December 2-13, 2019
Some remarks on Lipschitz normal embeddings,
12th Mini Workshop on Singularities, Geometry and Differential Equations and 1st Meeting on Foliations and Singularities,
Vitoria, January 28- February 2, 2019
Finiteness in families of curves testing multiplicity
Seminar on Analytic Functions and Differential Equations, Lodz, January 15, 2019
On extensions of piecewise polynomial functions and radical ideals,
XL Conference and Workshop Analytic and Algebraic Geometry, Lodz, January 7-11, 2019
Bifurcation values of polynomial mappings,
mini-course, UFC, Fortaleza, November 20, 22, 27,29 and December 4, 2018
Relations between polynomial solutions, extensions, radical ideals and Lipschitz normal embeddings,
Lipschitz Geometry of Singularities, Banff International Research Station, Oaxaca, October 21-26, 2018
Polynomial extensions, polynomial solutions and radical ideals,
seminar, UFC, Fortaleza, October 2, 2018
On Positivstellensatz for closed sets,
poster, III Workshop dos Pos-Doutorandos do ICMC, ICMC USP, Sao Carlos, November 8, 2017
Multiplicities of ideals of finite codimension,
Geometric and Algebraic Singularity Theory, Będlewo, September 10-16, 2017
Stability of relative degree,
Brazil-Mexico 3rd meeting on Singularities, Cuernavaca, August 7-11, 2017
Stability of multiplicity and degree with respect to sublevel sets,
Singularities in Generic Geometry and its Applications: Valencia V, Mexico City, July 31 - August 9, 2017
Stability of multiplicity and degree with respect to sublevel sets,
poster, A Panorama on Singular Varieties, Sevilla, February 7-10, 2017
Stability of multiplicity and degree with respect to sublevel sets,
8th Workshop on Algebraic Singularity Theory and 11th Workshop on Singularity and Geometry, Niteroi, January 16-20, 2017
Uwagi o przedłużaniu funkcji kawałkami wielomianowych,
XXXVIII Conference and Workshop Analytic and Algebraic Geometry, Lodz, January 9-13, 2017
Extending real piece-wise polynomial functions,
Seminario dos Singularidades, ICMC, USP, Sao Carlos, September 13, 2016
Stability of degree with respect to sublevel sets,
14th International Workshop on Real and Complex Singularities, Sao Carlos, July 24-30, 2016
Degree of polynomial with respect to a set,
poster, II Workshop dos Pos-Doutorandos do ICMC, ICMC USP, Sao Carlos, June 16, 2016
Geometric criteria for the moment problem,
invited speaker, UFC, Fortaleza, May 21 - June 2, 2016
Geometryczne kryteria dla problemu momentów,
XXXVII Conference and Workshop Analytic and Algebraic Geometry, Lodz, January 11-15, 2016
Cetrain properties of bounded polynomials,
Singularity Seminar, University of Sao Paulo, Sao Carlos, August 31, 2015
Remarks on Milnor numbers of deformed singularities,
invited speaker to Seminari Geometria Algebraica, Universitat de Barcelona/Universitat Politecnica de Catalunya, Barcelona, December 19, 2014
Bounds for polynomials on semialgebraic sets,
GKW Singularity Theory, IM PAN, Warszawa, December 5, 2014
Whitney's theorem on singularities of mappings $f:R^2\to R^2$,
Algebraic Geometry and Singularity Theory Seminar, IM PAN, Warszawa, October 22, 2014
Deciding (un)boundedness of polynomials,
DMV-PTM Joint Meeting of German and Polish Mathematical Societies, Poznań, September 17-20, 2014
Jumps of Milnor numbers,
13th International Workshop on Real and Complex Singularities, Sao Carlos, July 27th - August 1st 2014
Using Euclid's Algorithm to compute jumps of Milnor numbers,
ALANT 3 — Joint Conferences on Algebra, Logic and Number Theory , Będlewo, June 8-13 2014
Remarks on the sequence of jumps of Milnor numbers,
GKW Singularity Theory, Kraków, May 30-31, 2014
Semi-Algebraic Geometry
a mini-course at Aarhus Universitet, Institut for Matematik, February 24 - March 8, 2014
Polynomials bounded on semialgebraic sets
invited speaker to Seminari Geometria Algebraica, Universitat de Barcelona/Universitat Politecnica de Catalunya, Barcelona, December 5, 2013
Bounded polynomials
Geometric Singularity Theory. Polish-Japanese Singularity Theory Working Days, Polish Academy of Sciences, Warsaw, August 24-31, 2013
Sketch of an algorithm checking boundedness
Lodz-Kielce seminar, Kielce University of Technology, Kielce, June 25, 2013
Wielomiany ograniczone na zbiorach semialgebraicznych
invited speaker to Seminarium Zakładu Teorii Liczb i Algebry, Instytut Matematyki, University of Silesia, Katowice, April 11, 2012
Convex cones and algebras of bounded polynomials
Emerging Developments in Real Algebraic Geometry, February 20 - 24, 2012, Otto-von-Guericke Universität Magdeburg
XVII century methods in XXI century optimization (in polish)
invited speaker to a cycle of talks "Okno na podwórze" of Polish Mathematical Society in Lodz, January 19, 2012
Stożki wypukłe i algebry wielomianów ograniczonych
XXXIII Conference and Workshop Analytic and Algebraic Geometry, January 9-13, 2012, Lodz
Stability of algebras of bounded polynomials in two variables
Singularites reelles et systemes dynamiques, May 16-19, 2011, Nice
Stability of algebras of bounded polynomials in two variables
Real Algebra, Geometry and Convexity, February 14-18, 2011, Leipzig
Some characterisations of bounded polynomials
Oberseminar Schwerpunkt Reelle Geometrie und Algebra, Universität Konstanz, June 23-26, 2010, Konstanz
A version of Schmuedgen's Positivstellensatz for unbounded sets
XXXI Conference and Workshop Analytic and Algebraic Geometry, January 11-15, 2010, Lodz
Remarks on Schmudgen's Theorem
Gradient Flows and Applications, July 20-25, 2009, Sopot
Some videos:
Lipschitz geometry at infinity, Brazilian Singularity Theory Seminar, 2023
Anéis e Topologias Noetherianas, CPMAT - Ciclo de Palestras Matemáticas, 2021
Constructive approach to optimal degree inequalities on semialgebraic sets, parallel talk at 16th International Workshop on Real and Complex Singularities, 2020
Geometria de Equaçoes, Elas e a Matemática! GEPEMAC Grupo de Pesquisa, 2020
Relations between polynomial solutions, extensions, radical ideals and Lipschitz normal embeddings, BIRS Workshop, 2018
Stability of multiplicity and degree with respect to sublevel sets, UNAM, 2017