Zbigniew Piotrowski
Professor,
Department of Mathematics and Statistics
(330) 941 3302
(330) 941 3170
FAX
E-mail:
zpiotr@math.ysu.edu
http://www.cc.ysu.edu/~zpiotrow/
Professional Presentations
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, Košice Section of the Slovak
Academy of Sciences in Košice, 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,
Košice 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 Loránd University, Budapest, Hungary
“Generalized Oscillation Function and Continuity on Product Spaces”
Nov. 1991 Université de Franche-Comté, Besan¹on, France,
“Topological Games and Generalized Oscillation Function”
Oct. 1991 Technological University, Košice, Czechoslovakia, “Separate and Joint
Continuity”
Oct. 1991 Comenianum University, Bratislava,
Czechoslovakia, “Continuity on Product Spaces”
Oct. 1991 University of Łódź,
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
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”