Some of my past talks at the conferences and some of the invited seminars at the places I was not employed at the time are listed here. They may give some impression of some of the work I done and questions I was thinking about, some of which are not reflected by now available articles.
“Ore localization for construction of quantum coset spaces”, talk given at “Noncommutative Geometry and Quantum Groups”, Banach Institute September 17-29, 2001.
“Localized coinvariants”, talk given at International Hopf Algebra Conference, De Paul University, February 1-3, 2002.
“Coset spaces for quantum groups”, invited talk given at Algebra Seminar, University of Indiana, Bloomington, April 2002.
“Coset spaces for Hopf algebras”, short communication presented at Section 02, Algebra, International Congress of Mathematicians, Beijing 2002.
“Noncommutative localizations and quotients for coactions of Hopf algebras”, short communication presented at AMS Central Section Meetings, Madison, WI, October 12-13, 2002.
“Noncommutative quotient spaces for quantum groups”, within Seminar in Algebra, University of Zagreb, September 25, 2003.
“Noncommutative localization, principal bundles and Hopf quotients”, seminar, Max Planck Institute Fu”r Mathematik, Bonn, December 12, 2003.
“Globalizing Hopf-Galois extensions”, invited seminar, Queen Mary College, London, February 23, 2004.
“Noncommutative torsors and quotients”, invited talk at the workshop Geometric methods in algebra and representation theory, Warwick, April 3, 2004.
“New and old actions on noncommutative spaces”, invited talk at the conference NOG III, Quantum Geometry, Mittag-Leffler Institute, Stockholm, May 17, 2004.
“Principal bundles in noncommutative geometry”, invited workshop talk at School and workshop on algebraic models of topological spaces and fibrations, Georgian Academy of Sciences, Tbilisi, Georgia, September 13-19, 2004.
“Categories of sheaves and generalizations”, invited talk given at Topology seminar Zagreb-Ljubljana, Zagreb, December 11, 2004.
“Lie algebra representations via deformations within Weyl algebras”, invited lecture at Workshop ‘Noncommutative Algebras’, Muenster, Germany, February 2-6, 2006.
“Some higher generalizations of equivariant sheaves”, talk given at Workshop WAGP06, Gerbes and groupoids, ESI, Wien, Austria, May 9-13, 2006.
“Realizations of noncommutative spaces”, invited lecture given at ‘IV Summer School in Modern Mathematical Physics’, Belgrade, Serbia, September 3-14, 2006.
“2-categorical descent, actions of monoidal categories and Hopf algebras”, talk given at the conference ‘New techniques in Hopf algebras and graded ring theory’, Brussels, September 19-23, 2006.
“Tangent 2-algebroid for Lie 2-groupoids”, invited lecture at Geometry seminar, University of Ljubljana, January 8, 2007.
“Universal noncommutative flag variety”, contributed talk, Advanced Course on Quasideterminants and Universal Localization, CRM Barcelona, January 29-February 9, 2007.
“Yang-Baxter condition, equivariance and cyclic cohomology”, talk given at School and conference on algebraic K-theory and its applications, ICTP Trieste, Italy, May 14-June 1, 2007.
“Some remarks on equivariance in noncommutative algebraic geometry”, talk given at the conference Categories in geometry and in mathematical physics, Split, September 23-28, 2007.
“Coproduct for algebra of momenta for Lie algebra type noncommutativity”, talk at Workshop on Field Theory, Non-commutative Geometry and Strings, Zagreb, Croatia, November 9-11, 2007.
“Globalizing Hopf-Galois extensions”, invited talk at ‘Seminar for noncommutative geometry’ (within programme on Galois theories), Banach Institute of Polish Academy of Sciences (IMPAN), Warszawa, Poland, November 19, 2007.
“Lie algebra type noncommutative spaces”, talk at Saha Institute for Nuclear Physics, Kolkata, India, December 11, 2007.
“Categorified actions and equivariance”, invited lecture at International Symposium on Recent Advances in Mathematics and Its Applications (ISRAMA 2007), Calcutta Mathematical Society, Kolkata, India, December 16-18, 2007.
“Lie algebra type noncommutative spaces”, talk given the Institute of mathematical sciences, Chennai, India, December 2007.
“Categorifications of equivariant sheaves and quotients”, Conference on topological stacks, April 1-5, CRM Barcelona, 2008, 1-hour lecture
“Categorified actions and 2-representations”, invited lecture, Dubrovnik, Workshop “Functional analysis X” (Representation theory), July 2008.
“Categorified symmetries”, School and conference on mathematical physics, Belgrade, July 2008.
“Monoidal categories, corings and (co)action-compatible localizations”, Noncommutative Geometry Seminar, Queen Mary College, London. November 12, 2008.
“Actions and equivariance in noncommutative geometry”, Colloqium, University of Liverpool, Departement of Mathematical Sciences, November 14, 2008.
“Higher nonabelian cohomology”, invited seminar in Topology, 75 min. Lausanne, March 10, 2009
“Higher descent and nonabelian cohomology via presheaves of strict omega-categories”, Advanced school on homotopy theory and algebraic geometry, IMUS, University of Sevilla, Sep 7-12, 2009.
“Kvazideterminante i nekomutativni prostor zastava”, Mathematical colloqium, March 11, 2010, Department of Mathematics, University of Osijek.
“Twisted nonabelian differential cohomology”, May 4, 2010, invited speaker at the conference Geometry at large II: Hodge and homotopy theories, Univ. of Vienna. May 3–7, 2010.
“Symmetrization map, realizations and Lie algebroids” (abstract), Vienna, October 14, 2010, activity Higher Structures in Mathematics and Physics, Erwin Schroedinger Institute for Mathematical Physics, Vienna
“Čech-like cocycles for noncommutative torsors” (abstract), University of Vienna, October 20, 2010, Seminar in algebraic geometry (lead by L. Katzarkov)
“Morphisms of noncommutative spaces”, 21. 5. 2011. Workshop, Algebraic structures in mathematical physics, Zagreb, May 20-21. 5. 2011.
“Globalizing Hopf-Galois extension”, Split, July 15, 2011, workshop “Homological mirror symmetry and category theory”
“Nonaffine noncommutative torsors”, University of Swansea, April 24, 2011
Invited lecture series (3 lectures, Noncommutative geometry and its perspectives toward model theory) during Universidad Nacional (de Colombia sede Bogota) Encuentro de Matematicas 2012, (July 24-26, 2012), logics section “Model theory and geometry”
Invited talk “Hopf torsors over corings”, ESF Exploratory workshop “Interfaces of Noncommutative Geometry with the Representation Theory of Hopf Algebras and Artin Algebras”, Istanbul Center for Mathematical Sciences, 7-10. August 2011
“Noncommutative principal bundles via corings”, invited in Séminaire de Topologie Algébrique, Univ. Paris 13, October 22, 2012, 14:00-15:00
Posters:
“Categorified actions in geometry”, conference poster, ESF Mathematical Conference ‘Algebraic aspects in geometry’, Bedlewo, Poland, October 17-21, 2007.
“Actions of monoidal categories which represent actions in noncommutative geometry”, poster presented at Isaac Newton Institute Workshop “Trends in Noncommutative Geometry”, Cambridge 18-22. December 2006.