Conferences and thematic workshops:

Banach Algebras, Harmonic Analysis, and Operator Theory,
Sardar Patel University, V. V. Nagar, India, 20–22nd November 2018

Young Mathematicians in C*-Algebras,
Copenhagen, Denmark, 7–11th August 2017

Geometric Measure Theory,
University of Warwick, 10–14th July 2017
Co-organiser.

Geometric Topology and Geometry of Banach Spaces,
Eilat Campus of Ben-Gurion University of the Negev, Israel, 14–19th May 2017
Talk slides: Separated subsets of the unit sphere of a Banach space.

45th Winter School in Abstract Analysis,
Svratka, Czech Republic, 14–21st January 2017
Talk: Recovering a compact space from the family of its continuous, scalar-valued functions: the old and the new.

Virginia Operator Theory and Complex Analysis Meeting,
University of Richmond, United States, 8th October 2016
Invited talk: Recovering a compact space from the family of its continuous, scalar-valued functions: the old and the new.

Young Mathematicians in C*-Algebras,
Münster, Germany, 25–29th July 2016
Talk: Compatibility morphisms between commutative C*-algebras

Transfinite methods in Banach spaces and algebras of operators,
Będlewo, Poland, 17th–23rd July 2016
Talk slides: Closed ideals of operators on and complemented subspaces of Banach spaces of functions with countable support.

The Stone–Cech Compactification: Theory and Applications,
Centre for Mathematical Sciences, University of Cambridge, 6–8th July 2016

The mathematical legacy of Uffe Haagerup,
Copenhagen, Denmark, 24–26th June 2016

44th Winter School in Abstract Analysis,
Svratka, Czech Republic, 16th–23rd January 2016
Talk: Ideal structure of the algebra of bounded operators acting on a Banach space.

Young Mathematicians in C*-Algebras,
University of Copenhagen, Denmark, 17–21th August 2015
Talk slides: On C*–algebras that do not decompose into tensor products.

QOP Meeting: Quantum Probability, Groups and Geometry,
IMPAN, Warszawa, 7–11th April 2015

Heidelberg Laureate Forum: Abel-, Fields- and Turing-Laureates Meet the Next Generation,
Heidelberg, Germany, 21st–26th September 2014
Workshop organised: Independence results in Mathematics

Workshop on Ordered Banach Algebras,
Lorentz Centre, Leiden, The Netherlands, 21st–25th June 2014.

Workshop on Applications of model theory to C*-algebras,
Münster, Germany, 7–11th July 2014.

Integration, Vector Measures and Related Topics,
Będlewo, Poland, 15th–21st June 2014.
Talk: Which algebras of operators on Banach spaces are Grothendieck?

Young Functional Analysts' Workshop 2014,
Lancaster University, 22nd–24th April 2014,
Talk: Universality problems in operator algebras from the perspective of back–and–forth methods in model theory

Heidelberg Laureate Forum: Abel-, Fields- and Turing-Laureates Meet the Next Generation,
Heidelberg, Germany, 22nd–27th September 2013

Classifying Structures for Operator Algebras and Dynamical Systems,
Aberystwyth, 16–20th September 2013

School and workshop: Topics in Operator Algebras and Applications, Madrid, Spain, 2nd–6th September 2013

Banach algebras and applications,
Gothenburg, Sweden, 29th July – 4th August 2013
Talk slides: Maximal left ideals of operators acting on a Banach space

QOP Meeting: C*–algebras and Banach algebras,
Warsaw, Poland, 8–12th July 2013

QOP Meeting: Banach and operator spaces,
Lancaster, 29–30th April 2013
Invited talk: Operators from C(K)–spaces which annihilate certain chains of functions

Young Functional Analysts' Workshop 2013, University of Sheffield, 20th–22nd March 2013
Talk: Which algebras of operators on Banach spaces are Grothendieck spaces?

Thematic Program on Forcing and its Applications: Workshop on Applications to Operator Algebras,
Fields Institute, Toronto, Canada, 10–14th September 2012

Appalachian Set Theory Workshop,
Fields Institute, Toronto, Canada, 8–9th September 2012

Geometry of Banach spaces,
Centre International de Rencontres Mathématiques, Luminy, Marseille, France, 27th–31st August 2012

Trends in set theory,
Warsaw, Poland, 8–11th July 2012
Talk abstract: Operator ideal of weakly compactly generated operators

Banach Spaces Workshop,
Birmingham, 6–9th June 2012

Young Functional Analysts' Workshop 2012,
University of Oxford, 21st–22nd March 2012
Talk slides: Closed ideals of the Banach algebra of bounded operators on the Banach space C[0,ω1]

Banach Algebras 2011,
Waterloo, Ontario, Canada, 3–10th August 2011.
Talk slides: Uniqueness of the maximal ideal of the Banach algebra of bounded operators on C([0, ω1])

Operator Theory and its Applications in honour of Victor Shulman,
Gothenburg, Sweden, 26–29th April 2011

Set–theoretic Techniques in Functional Analysis Banach Space Meeting 2011,
Castro Urdiales, Cantabria, Spain, 21st–24th February 2011

Invited seminar talks:

April 10, 2018 Some new results on separated subsets of the unit sphere of a Banach space, Adam Mickiewicz Unieversity in Poznań, Poland

March 1, 2018 When is multiplication in a Banach algebra open?, University of Kielce, Poland

February 27, 2018 When is multiplication in a Banach algebra open?, Technical University of Łódź, Poland

January 30, 2018 When is multiplication in a Banach algebra open?, Operator algebras seminar, University of Münster, Germany.

March 21, 2017 Steinhaus' lattice-point problem for Banach spaces, Technical University of Łódź, Poland

January 26, 2017 Recovering a compact space from the family of its continuous, scalar-valued functions: the old and the new., Applied Mathematics Seminar, University of Portsmouth.

January 4, 2017 Steinhaus' lattice-point problem for Banach spaces, ATH, Bielsko-Biała, Poland.

December 19, 2016 Recovering a compact space from the family of its continuous, scalar-valued functions: the old and the new., Sardar Patel University, Vallabh Vidhyanagar, Anand, India.

December 14, 2016 Recovering a compact space from the family of its continuous, scalar-valued functions: the old and the new., University of Delhi, India.

October 21, 2016 Steinhaus' lattice-point problem for Banach spaces, Set Theory & Analysis Seminar, Czech Academy of Sciences, Prague, Czech Republic.

October 5, 2016 Steinhaus' lattice-point problem for Banach spaces, Washington and Lee University, Lexington, Virginia, United States.

October 4, 2016 Separated subsets in the unit sphere of a Banach space, University of Virginia, Charlottesville, Virginia, United States.

June 14, 2016 Recovering a compact Hausdorff space X from the compatibility ordering on C(X), Set Theory & Analysis Seminar, Czech Academy of Sciences, Prague, Czech Republic.

April 6, 2016 Separated subsets in the unit sphere of a Banach space, Seminar on Geometry of Banach spaces, Jagiellonian University in Kraków, Poland.

April 5, 2016 Variations of the Steinhaus' lattice–point problem in Banach spaces, Functional Analysis Seminar, Adam Mickiewicz University in Poznań, Poland.

April 4, 2016 Decomposing the Calkin algebra into tensor products of C*–algebras, Real Analysis Seminar, University of Silesia, Katowice, Poland.

January 27, 2016 Two études about the matrix trace, ATH, Bielsko-Biała, Poland.

January 13, 2016 Ideal structure of the algebra of bounded operators acting on a Banach space, Seminar on Geometry of Banach spaces, Jagiellonian University in Kraków, Poland.

January 13, 2016 Steinhaus' lattice–point problem for Banach spaces, Seminar on Methods of Approximation Theory, Jagiellonian University in Kraków, Poland.

January 12, 2016 Tensorial decompositions of the Calkin algebra and related objects, Seminar on Functional Analysis, Jagiellonian University in Kraków, Poland.

September 29, 2015 The Calkin algebra does not decompose into a tensor product of two infinite–dimensional C*–algebras, University College Cork, Cork, Ireland.

June 10, 2014 Maximal left ideals of the algebra of bounded operators on a Banach space, Functional Analysis Seminar, Adam Mickiewicz University in Poznań, Poland.

January 23, 2014 Maximal left ideal structure of algebras of operators on Banach spaces, Descriptive set theory seminar , University of Copenhagen.

November 11, 2013 Maximal left ideals of operators acting on a Banach space, University of Oxford, Mathematical Institute.

July 4, 2013 Which algebras of operators on Banach spaces are Grothendieck?, Analysis Group Seminar, University of Glasgow.

January 16, 2012 Maksymalne ideały lewostronne w algebrach Banacha (eng. Maximal left–ideals in Banach algebras), Real Analysis Seminar, University of Silesia, Katowice, Poland.

January 12, 2012 On classical operator ideals and the structure of the operator algebra on C([0,ω1]). Pt. II., imPAN Seminar: Working Group in Applications of Set Theory, Warsaw, Poland.

January 10, 2012 Operatory i miary wektorowe o obrazie zawartym w przestrzeni Banacha generowanej przez zbiór słabo zwarty (eng. Operator and vectors measures with range lying in a WCG Banach space), imPAN Seminar: Functional Analysis, Warsaw, Poland.

January 5, 2012 On classical operator ideals and the structure of the operator algebra on C([0,ω1]). Pt. I., imPAN Seminar: Working Group in Applications of Set Theory, Warsaw, Poland.

April 18, 2011 Domknięte ideały w algebrach operatorów ograniczonych na przestrzeniach typu C(K) (eng. Closed ideals in the algebras of bounded operators on C(K)–spaces), Real Analysis Seminar, Technical University of Łódź, Poland


Lancaster Pure Mathematics Postgraduate Forum talks:

May 25, 2015 How many norm-one continuous functions with distance greater than 1 are there?
January 19, 2015 Linear algebra from analyst's point of view
November 4, 2013 The Johnson-Lindenstrauss space
October 31, 2013 Killing uncountable chains of continuous functions
February 5, 2013 Around Pełczyński's decomposition method.
March 8, 2011 Beyond ZFC: Beauty of Jensen's Diamond Principle
January 9, 2011 Some Remarks on the Stone–Čech Compactification

Other events:

Stochastic Analysis and Stochastic PDEs, Warwick University, 16–20th April 2012

EPSRC Symposium Workshop – 2012 UK Easter Probability Meeting, Warwick University, 26–30th March 2012

North British Functional Analysis Seminar, University of Edinburgh, 28th October 2011.

Analytical and Computer Assisted Methods in Mathematical Models, Bydgoszcz, Poland, 4–18th September 2011

14th International Workshop for Young Mathematicians "Algebra", Kraków, Poland, 10–16th July 2011
Talk slides: Radical–theoretic approach to ring theory

LMS–EPSRC Short Course 2011, Mathematical Institute, University of Oxford, 3rd–8th April 2011

6th International Students’ Conference on Analysis,
Síkfőkút, Noszvaj, Hungary, 31st January–3rd February 2010.

4th International Students’ Conference on Analysis,
Zamárdi, Hungary, 2nd–6th February 2008
Talk: A Remark on homomorphisms on C(X)