Topology seminars 1993-1994

Thursday, April 15, 1993
Gerald Itzkowitz (City University of New York)
Dense subgroups of compact groups
[topological groups]

Thursday, April 22, 1993
Dikran Dikranjan (Universita di Udine, Italy)
Dimension and Connectedness of Pseudocompact Topological Groups
[topological groups]

Thursday, April 29, 1993
Jinhuan Zhou
An Elementary Submodel Characterization of Corson Compacta

Thursday, May 6, 1993
Alan Dow
A Topological Equivalent of Diamond
[Boolean algebras or zero-dimensional compact Hausdorff spaces]

Thursday, May 6, 1993
George Delistathis
Techniques for Constructing Infinite-Dimensional Examples
(an article by Rubin, Schori and Walsh)
[dimension theory or infinite-dimensional topology]

Thursday, May 20, 1993
Park Keun (Ulsan University, Korea and University of Oklahoma)
(?, I was out of town -ep)
George Delistathis
Totally Disconnected Separable Metric Spaces with Positive Dimension

Thursday, May 27, 1993
Alexander V. Arhangel'skii (Moscow State University and Ohio University)
Properties of countable compactness type in topological spaces and topological groups

Thursday, May 27, 1993
George Delistathis
Totally Disconnected Separable Metric Spaces of Positive Dimension, cont.

Thursday, June 3, 1993
Zoltan Balogh (Miami University)
On Special Subsets of Tychonoff Cubes
[set-theoretic topology]

Thursday, June 10, 1993
Miroslav Husek (Charles University, Prague, Czech Republic
and University of Toledo)
Extensions of Mappings on Metric Spaces

Thursday, June 10, 1993
Mariusz Rabus
Embedding Boolean Algebras [Ain power set of omega mod finite

Thursday, July 29, 1993
Vyacheslav Malyhin (Moscow, Russia)
Solutions and Problems in Athe Theory of Convergence by Ultrafilters

Thursday, August 5, 1993
V. Malyhin
Spaces with Undetermined Properties in ZFC

Thursday, August 5, 1993
Artur Tomita
A Short and Direct Proof that Tightness Equals Weight in Dyadic Spaces

Wednesday August 11, 1993
V. Malyhin
Frechet-Urysohn Compact Spaces without points of Countable Character

Thursday, August 12, 1993
V. Malyhin
Spaces with Separable Closed Subsets

Thursday, September 23, 1993
Gary Gruenhage (Auburn University, Alabama)
Michael's Problem: Is the Product of a Lindelof Space with the Irrational Numbers always Normal?

Thursday, September 30, 1993
Piotr Koszmider (York University and Auburn University)
Ultrafilters on the Integers with a Noetherian Base

Thursday, October 7, 1993
Otmar Spinas (Bar-Ilan University, Tel Aviv, Israel)
Dominating Projective Sets in the Baire Space
[descriptive set theory]

Thursday, October 14, 1993, 1993
Eraldo Giuli (L'Aquila University, Italy)
Weak Compactness
Maria Manuel Clementino (Coimbra University, Portugal)
Connectedness and Disconnectness

Thursday, October 28, 1993
Gadi Moran (University of Haifa, Israel and York University) A Dynamical System: The r-Majority Action on Cyclic 0-1 Sequences
[dynamical systems]

Thursday, November 4, 1993
Stephen Watson
A Quasi-Metric Space which does not admit a complete quasi-uniformity

Thursday, November 11, 1993
Piotr Koszmider
A First Countable Compact Hausdorff Space with a Large Image

Friday, November 19, 1993
Sam Nadler (West Virginia University)
Hyperspaces of continua
Murat Tuncali (Nipissing University)
Characterizations of continuous images of ordered continua
Wojcech Debski (Poland)
Cell structures
[continuum theory]

Thursday, November 25, 1993
Piotr Koszmider
A First Countable Compact Hausdorff Space with a Large Image, cont.

Thursday, December 2, 1993
Elliott Pearl
Homogeneity of Products
[set-theoretic topology related to dynamics]

Thursday, January 13, 1994
Artur Tomita
Dominating Reals Construction

Thursday, January 20, 1994
Artur Tomita
Dominating Reals Construction, cont.

Thursday, January 27, 1994
Elliott Pearl
D.B. Motorov's result that the Topologist's Sine curve is not a retract of a compact homogeneous space.

Thursday February 3, 1994
Elliott Pearl
Results of Arhangel'skii, Motorov, and Terada on retractions of compact homogeneous spaces

Thursday, February 10, 1994
Alessandro Fedeli (L'Aquila University)
Two cardinal inequalities for functionally Hausdorff spaces

Thursday, February 17, 1994
Jinyuan Zhou
embedding \omega \cup {p} into a pseudoradial space

Thursday, March 10, 1994
George Delistathis
Ponomarev's problem: Every first countable compact space is the continuous image of some first countable, compact zero-dimensional space.

Thursday, March 17, 1994
Teiping Wang
normality in product spaces

Thursday, March 24, 1994
George Delistathis
Ponomarev's problem: Every first countable compact space is the continuous image of some first countable, compact zero-dimensional space, cont.

Thursday, April 7, 1994
Artur Tomita
The Moore-Mrowka problem: Z. Balogh has shown that under PFA every compact space of countable tightness is sequential.

Thursday, April 14, 1994
Artur Tomita
The Moore-Mrowka problem: Z. Balogh has shown that under PFA every compact space of countable tightness is sequential. cont.

Thursday, May 5, 1994
Claude Laflamme (University of Calgary)
Filter games

Thursday, May 19, 1994
Beverly Brechner (U. Florida, Gainesville)
Irrational Rotations of Simply Connected Domains
[dynamical systems and geometric topology]

Friday, May 20, 1994
Kazuhiro Kawamura (Tsukuba University, Japan and U. Saskatchewan)
There do not exist means on the pseudoarc
[continuum theory]

Friday, May 20, 1994
Ed Tymchatyn (U. Saskatchewan)
The Homeomorphism Group of Menger Compacta.
[continuum theory and dynamical systems]

Friday, May 27, 1994
Raja Mohammad Latif (King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia)
Characterizations of Mappings

Thursday, June 9, 1994
Petr Simon (Charles U., Prague)
(I cannot recall -ep)

Thursday, June 16, 1994
Robin Knight (Oxford University)
Cofinality of Omega 1 to the Omega

Friday, June 24, 1994
Elliott Pearl
If X is first countable and zero-dimensional then X^\omega is homogeneous.

Thursday, June 30, 1994
Elliott Pearl
If X is first countable and zero-dimensional then X^\omega is homogeneous, cont.