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Conferences and Lectures
Mathematics and Statistics
- May 2011, Department of Mathematics, Pomeranian Academy, Slupsk, Poland �On a property of all real-valued pointwise discontinuous functions�
- April 2011, Department of Mathematics, M. Bela University, Banska Bystrica, Slovakia �On Volterra spaces�
- April 2011, Institute of Mathematics, Slovak Acad. of Sciences, Bratislava, Slovakia �An extention of Michael-Namioka theorem on PCP and weakly developable spaces�
- April 2011, Laboratoire de Mathematique, Universite de Rouen, France �Quasi-continuity and cliquishness�
- March 2011, Special Session on Set-Theoretic Topology, Meeting of American Mathematical Society, Statesboro, GA, �Quasi-continuity and cliquishness on product spaces.�
- October 2008, Special Session on Set-Theoretic Topology, Fall Meeting of American Mathematical Society, Huntsville, AL, �An extension of the Closed-Graph theorem for separately continuous functions.�
- August 2008, Fifth International Conference of Applied Mathematics and Computing, Plovdiv, Bulgaria, �On Banach-Dudley Theorem�
- April 2008, Department of Mathematics at the A. Dlugosz Academy, Czestochowa, Poland �Separate and Joint Continuity � New Results and Open Problems�
- April 2008, Department of Mathematics at Matej Bela University, Banska Bystrica, Slovakia �Continuity on Product Spaces � New Results�
- April 2008, Department of Mathematics at the University of Auckland, New Zealand �Algebra-free Topological Algebra�
- March 2008, Mini-Conference on Algebra and Analysis at the Auckland University of Technology, Auckland, New Zealand �Topological Version of the Closed Graph Theorem�.
- March 2008 Department of Mathematics at University of Shandong at Jinan, Peoples� Republic of China �Separate Versus Joint Continuity�.
- March 2008, Department of Mathematics at Shenzhen University, Peoples� Republic of China �Theorem of Sierpinski and the Closed Graph Theorem for Separately Continuous Functions�.
- March 2008 Department of Mathematics at the Chinese University of Hong Kong �Continuity on Produce Spaces�.
- March 2008, Department of Mathematics at Shenzhen University, Peoples� Republic of China
- �First Steps in Separate Versus Joint Continuity�
- October 2007, Department of Mathematics of Pomeranian Academy in Slupsk, Poland �Introduction to Topological Groups and Banach-Dudley Theorem�
- May 2007, Institute of Mathematics, Wroclaw University, Poland �Continuity on Product Spaces�
- May 2007, XXI International Conference on Real Functions Theory Niedzica, Poland �A generalization of the Closed-Graph theorem for separately continuous functions.
- May 2007, Department of Mathematics, Pomeranian Academy, Slupsk, Poland, "Continuous functions having 'small' preimages of 'small' sets"
- April 2007, Cleveland Society of Poles "Polish Contributions to the World Mathematics"
- December 2006, Department of Mathematics, Pomeranian Academy, Slupsk, Poland, �Continuous functions having �small� preimages of �small� sets�.
- June 2005, Department of Mathematics, Pomeranian Pedagogical Academy, Slupsk, Poland, �On Banach Category Theorem and its generalizations�.
- June 2005, Department of Mathematics, Pomeranian Pedagogical Academy, Slupsk, Poland, �On generalized oscillation function and Volterra's theorem�.
- May 2005, , International Conference on Real Functions Theory, Rowy, Poland,�On Dudley's theorem on automatic continuity for topological groups�.
- May 2005, Institute of Mathematics, Wroclaw University, �Volterra spaces�, a special session in the memory of Prof. Dr. J.J.Charatonik.
- April 2005, , Department of Mathematics, Pomeranian Pedagogical Academy, Slupsk, Poland, �Advanced and unsolved problems in Separate versus joint continuity�.
- April 2005, Department of Mathematics, Pomeranian Pedagogical Academy, Slupsk, Poland, �Elementary proofs in Separate versus Joint continuity�.
- March 2005, Institute of Mathematics, Gdansk University, Poland, �Volterra's theorem and other results on Real Analysis�.
- March 2005, Institute of Mathematics, Gdansk University, Poland, �Brown's theorem on separate versus joint continuity�.
- March 2005, Institute of Mathematics, Gdansk University, Poland, �Semi-topological and paratopological groups�.
- March 2005, Institute of Mathematics, Gdansk University, Poland, �First steps in separate versus joint continuity � early history�.
- February 2005, Department of Mathematics, Banska Bystrica University, Slovakia, �Separate and joint continuity-an elementary approach�.
- October 2004, Department of Mathematics, Auburn University, Auburn, AL, �Generalized oscillation and continuity on product spaces�.
- June 2004, XXVIII Summer Symposium in Real Analysis, Slippery Rock University, PA, �Near continuity on product spaces�
- April 2004, Department of Mathematics, Komenskeho Univerzita, Bratislava, Slovakia, �Separate continuity revisited�
- January 2004, Department of Mathematics, Auckland University, New Zealand, �Quasi-continuity, Baire 1 and separate continuity of functions�
- March 2003, Department of Mathematics, University of Pittsburgh, PA, �Topology groups and fragmentability of spaces�
- March 2003, Spring Topology and Dynamical Systems Conference, Lubbock, TX, �Topological games, quasi-continuity and groups�
- June 2002, Department of Mathematics of the University of Murcia, Spain., �Namioka spaces - new results and open problems�
- June 2002, International Conference on Topology in Matsue 2002, Shimane, Japan, �Real-valued functions having �small� preimages of �small� sets�
- June 2002, Department of Mathematics, Pomeranian Pedagogical Academy, Słupsk, Poland, �On Sierpiński�s theorem on the unique determination of separately continuous functions from their values on any dense subspace�
- May 2002, International Conference on Real Functions, Słupsk, Poland, �On Volterra Spaces�
- April 2002, Department of Mathematics of Komenskeho University in Bratislava, Slovakia, �Continuity on Product Spaces � An Update�
- April 2002, Slovak Academy of Sciences in Bratislava, Slovakia, �Volterra Spaces�
- April 2002, Mathematics Department of M. Bela University in Banska Bystrica, Slovakia, �Special Points of Continuity of Two Real � Valued Functions�
- April 2002, Ko�ice Section of the Slovak Academy of Sciences in Ko�ice, Slovakia, �Baire Spaces and Their Generalizations�
- March 2002, Department of Mathematics of Silesian University in Katowice, Poland �Separate vs. Joint Continuity: Solution of a Henriksen � Woods Problem�
- August 2001, 9th Prague Topological Symposium, Prague, Czech Republic, �A solution of a problem of Henriksen and Woods �
- May 2001 International Conference on Real Functions, Łeba, Poland �Volterra spaces and the solution of a problem on separate versus joint continuity��
- May 2001 Workshop on Abstract Analysis, Lubiatowo � Kopalino, Poland �On various functional characterization of Baire spaces�
- Nov, 2000 Department of Mathematics, Baldwin Wallace College, Cleveland OH, � On Stirling�s formula�
- Oct, 2000 Department of Mathematics, University of Pittsburgh, PA, � An answer to the Uniformization Problem in separate vs joint continuity�
- May 2000, Topology Seminar, A. Mickiewicz University, Poznan, Poland, �Product Continuity and a Solution of Henriksen � Woods Problem�
- April 2000,� Ko�ice Chapter, Slovak Academy of Sciences, Slovakia, �Separate and Joint Continuity � Unsolved Problems�
- April 2000, 29th Spring Conference Union Bulg., Lovetch, Bulgaria, �Separate Versus Joint Continuity � an Update�
- April 2000, Department of Mathematics, M. Bela University in Banska-Bystrica, Slovakia, �Product Continuity � An Introduction�
- March 2000, Department of Mathematics, Victoria University, Wellington, New Zealand, �Product Continuity and Its Application to Topological Algebra�
- March 2000, Department of Mathematics, Waikato University in Hamilton, New Zealand, �Quasi-continuity and Fragmentable Spaces�
- February 2000, Davonport Topology Conference, Davonport, New Zealand, �Open Problems in Separate Versus Joint Continuity�
- February 2000, Department of Mathematics and Statistics, Auckland University, Auckland, New Zealand, �Contiuity on Product Spaces�
- October 1999, Real Analysis Seminar, A.Mickiewicz University, Poznan, Poland, �On Sierpinski�s Theorem on the Uniqueness of Determination of Separately Continuous Functions from their Dense Subspaces�
- September 1999, Conference devoted to the 100th anniv. R.Baire, Chernivtsi, Ukraine, �Separate and Joint Continuity�
- September 1999, Symposium on Classical Analysis, Kazimierz Dolny, Poland, �On Contractions and Expansions in Totally Bounded Spaces�
- Oct. 1998 Department of Mathematics, West Virginia University, Morgantown, WV, �On problems in Descriptive Set Theory, General Topology and Topological Algebra which arise in Separate versus Joint Continuity�
- Mar. 1998 AMS Southeastern Sectional Meeting, Special Session on Real Analysis, University of Louisville, KY, �On separately open sets and linearly continuous functions�
- Oct. 1997 Department of Mathematics, University of Pittsburgh, PA, �Generalized Baire spaces and continuity along algebraic curves�
- Oct. 1997 925th Meeting of the Southeastern Section of the American Mathematical Society, Atlanta, GA, �On a theorem of S.G. Slobodnik�
- May 1997 Department of Mathematics, Oxford University, England, �Generalized oscillation function and continuity on product spaces�
- May 1997 Department of Pure Mathematics and Mathematical Statistics, University of Cambridge, England, �On continuity on product spaces�
- Mar. 1997 Department of Mathematics, Cleveland State University, Cleveland, OH, �Separate and joint continuity�
- Sept. 1996 Tenth Summer School on Real Function Theory, Liptovsky Jan, Slovakia, �Separate and joint continuity in Baire groups�
- June 1996 Twentieth Summer Symposium in Real Analysis, Windsor, Canada, �On three problems on separate and joint continuity�
- Mar. 1996 Mini-Conference on Abstract Analysis, Department of Mathematics & Statistics, YSU, �On the determination of separately continuous functions�
- April 1995 Department of Mathematics, University of Pittsburgh, PA, �Separate and joint continuity - new results and open problems�
- Mar. 1995 Symposium on Abstract Analysis, Department of Mathematics, YSU, �Ideal Banach Category theorems and functions�
- April 1994 Department of Mathematics, Kent State University, OH , �Continuity of separately continuous functions�
- Mar. 1994 Mini-Conference on Topology and Related Areas, Department of Mathematics, YSU, �Topological groups: When is a Baire Semitopological Group Paratopological?�
- Mar. 1994 Analytical Topology and Topological Algebra Symposium at the University of Pittsburgh, PA, �Mibu�s Theorem�
- Mar. 1994 Spring Topology Conference, Auburn, AL, �Around Ellis� Theorem�
- Feb. 1994 Department of Mathematics, University of Pittsburgh, PA, �Continuity of separately continuous functions�
- Sept. 1993 7th Symposium on Classical Analysis, Kazimierz Dolny, Poland, �Mibu-type theorems�
- Mar. 1993 Spring Topology Conference, Columbia, SC, �On the theorems of Y. Mibu and G. Debs on separate continuity�
- Jan. 1993 Winter Meeting of AMS, San Antonio, TX, �On pre-images of Baire spaces�
- May 1992 University of Hawaii, Honolulu, HI �Applications of Separate and Joint Continuity to Topological Algebra�
- May 1992 University of Hawaii, Honolulu, HI �Separate and Joint Continuity�
- May 1992 Annual Meeting of the New Zealand Math. Society, Wellington, �Separate Continuity, Namioka and Sierpi.ski Spaces�
- Mar. 1992 University of Auckland, New Zealand, �Continuity on Product Spaces�
- Feb. 1992 Duksung University, Korea, �Introduction to Separate and Joint Continuity Theory�
- Feb. 1992 Kyunghee University, Korea, �On Blumberg Theorem�
- Feb. 1992 Conference on Geometric Topology, Seoul, Korea, �Continuity on Product Spaces�
- Feb. 1992 University of Tsukuba, Ibaraki, Japan, �Some Applications of Separate and Joint Continuity�
- Feb. 1992 University of Tsukuba, Ibaraki, Japan, �Continuity on Product Spaces�
- Nov. 1991 Lor�nd University, Budapest, Hungary �Generalized Oscillation Function and Continuity on Product Spaces�
- Nov. 1991 Universit� de Franche-Comt�, Besan�on, France, �Topological Games and Generalized Oscillation Function�
- Oct. 1991 Technological University, Ko�ice, Czechoslovakia, �Separate and Joint Continuity�
- Oct. 1991 Comenianum University, Bratislava, Czechoslovakia, �Continuity on Product Spaces�
- Oct. 1991 University of Ł�dź, Poland, �On Generalized Oscillation Function�
- Oct. 1991 Bydgoszcz Section of the Polish Math Society, �Topological Games and Generalized Oscillation Function�
- Oct. 1991 Gdańsk University, Poland, �Continuity on the products of topological spaces�
- Jan. 1989 Winter Meeting of AMS, Phoenix, AZ
- Oct. 1988 845th Meeting of AMS, Special Session: Real Analysis, �Recent results on separate and joint continuity�
- Oct. 1988 Department of Mathematics, University of Pittsburgh, �On irresolvable spaces�
- Mar. 1988 Department of Mathematics, Lycoming College, Williamsport, PA, �On matrix games�
- Jan. 1988 Winter Meeting of AMS, Atlanta, GA
- Nov. 1987 Department of Mathematics, The University of Mississippi, �Separate and joint continuity�
- Mar. 1986 Spring Topology Conference, Birmingham, AL
- Feb. 1986 Topology Gathering, Slippery Rock State University, �Separating functions and game-defined spaces�
- Jan. 1986 Winter Meeting of AMS, San Antonio, TX
- Nov. 1985 NSF Mini-conference in Harmonic Analysis and Related Areas, Auburn, AL, �Closed Graph Theorem�
- June 1985 Ninth Summer Symposium on Real Analysis, University of Louisville, KY, �Separate and joint continuity�
- May 1985 Department of Mathematics, Slippery Rock State University, �On Blumberg-type theorems�
- Mar. 1985 Spring Topology Conference, Tallahassee, FL
- Jan. 1984 Winter Meeting of AMS, Cincinnati, OH
- Mar. 1983 Spring Topology Conference, Houston, TX
- Mar. 1982 Spring Topology Conference, Annapolis, MD, �On Joint Continuity Triples�
- May 1981 Department of Mathematics, Cleveland State University, Colloquium: �On completeness properties in topology�
- Mar. 1981 Spring Topology Conference, Blacksburg, VA
- May 1979 Katowice branch of the Polish Mathematical Society, �Separate and joint continuity in topological spaces�
- Mar. 1979 Słupsk branch of the Polish Mathematical Society, �Blumberg theorem and some other results concerning real functions�
- Aug. 1978 Colloquia Mathematica Soc. J. Bolyai, Budapest, Hungary, �Separate almost continuity and joint continuity�
- July 1978 International Conference on Geometric Topology, Warsaw �Quasi continuity and product spaces�
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