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Topology - Set-Theoretic


DMS Set Theoretic Topology Seminar
Sep 19, 2018 02:00 PM
Parker Hall 328


Gary Gruenhage will continue presenting the paper of Dow and Juhasz.
DMS Set Theoretic Topology Seminar
Sep 12, 2018 02:00 PM
Parker Hall 328


Hongfeng Guo will show that there is a monotonically monolithic space which has no predictable network under the assumption \(2^{\omega_0}<2^{\omega_1}\). 

This is joint work with Ziqin Feng.  


DMS Set Theoretic Topology Seminar
Sep 05, 2018 02:00 PM
Parker Hall 328


Speaker: Gary Gruenhage

Topic: continues presenting the paper of Dow and Juhasz

 


DMS Set Theoretic Topology Seminar
Aug 29, 2018 02:00 PM
Parker Hall 328


NOTICE THE UNUSUAL ROOM!

Speaker: Gary Gruenhage  

Topic: He will present a paper of Dow and Juhasz which is related to a problem he is interested in.


DMS Set Theoretic Topology Seminar
Apr 18, 2018 02:00 PM
Parker Hall 246


Speaker: Alex Shibakov, Tennessee Technological University

Title: Convergence in the presence of group structure: Problems, new and old
DMS Set Theoretic Topology Seminar
Mar 28, 2018 02:00 PM
Parker Hall 246


Speaker: Rongxin Shen, one of our visitors from China

Title: Generalized metrizable properties in topological algebra


DMS Set Theoretic Topology Seminar
Mar 21, 2018 02:00 PM
Parker Hall 249


Note: New Room for this week (PH 249)

Speaker: Mike Reed, St Edmund Hall, Oxford University

Title: Open Questions Concerning Compactness Conditions in Moore Spaces


Abstract: All spaces are considered to be regular and T_1.

Definition. A space S is 1-starcompact if for each open covering U of S, there exists a finite subcollection V of U such that each member of U has non-empty intersection with a member of V.

Questions.

1. In  ZFC, is each 1-starcompact Moore space compact?

2. In ZFC, does there exist a first countable, 1-starcompact space that is not countable compact?

3. In ZFC, is each normal, separable Moore space Scott-representable?

4. In ZFC, does there exist a cwH Moore space that is not cwn with respect to compact sets?

5. Is there a consistent with ZFC example of a normal, locally compact, separable Moore space S such that the square of S is not normal?

The speaker presents construction techniques relevant to these open questions.


DMS Set Theoretic Topology Seminar
Mar 07, 2018 02:00 PM
Parker Hall 246


Speaker: Professor Huaipeng Chen, one of our visitors from China 

Title: A stratifiable space which is not \(M_1\).  

Huaipeng will outline his idea for a possible example with the properties of the title.  If the example is correct, it would solve a 57-year-old problem in general topology.    

 


DMS Set Theoretic Topology Seminar
Feb 21, 2018 02:00 PM
Parker Hall 246


Speaker: Ziqin Feng  will continue (and finish)

Title: Seeking a Network Characterization of Corson Compacta.

 

Abstract: We will identify a characterization of Corson Compacta using base and point networks. This provides an answer to a question raised by A. Dow, H. Junnila, and J. Pelant, also by F. Garcia, L. Oncina, and J. Orihuela in their articles.


DMS Set Theoretic Topology Seminar
Feb 14, 2018 02:00 PM
Parker Hall 246


Speaker: Ziqin Feng will continue
 
Title: Seeking a Network Characterization of Corson Compacta
 
Abstract: We will identify a characterization of Corson Compacta using base and point networks. This provides an answer to a question raised by A. Dow, H. Junnila, and J. Pelant, also by F. Garcia, L. Oncina, and J. Orihuela in their articles.

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Last Updated: 09/11/2015