No.1619

2008/08/25〜2008/08/29

ブレンドレ　ヨーグ

Jorg Brendle

目　次

1. ULTRAPRODUCTS OF FINITE ALTERNATING GROUPS (Combinatorial and Descriptive Set Theory)---------------------------------------------1

　　　　MATHEMATICS DEPARTMENT, RUTGERS UNIVERSITY / MATHEMATICS DEPARTMENT, RUTGERS UNIVERSITY / MATHEMATICS DEPARTMENT, RUTGERS UNIVERSITY / MATHEMATICS DEPARTMENT, RUTGERS UNIVERSITY　　　ELLIS,PAUL / HACHTMAN,SHERWOOD / SCHNEIDER,SCOTT / THOMAS,SIMON

　

2. FURTHER COMBINATORIAL PROPERTIES OF COHEN FORCING (Combinatorial and Descriptive Set Theory)--------------------------------------8

　　　　KURT GODEL RESEARCH CENTER FOR MATHEMATICAL LOGIC / DEPARTMENT OF MATHEMATICS AND STATISTICS, YORK UNIVERSITY　　　FISCHER,VERA / STEPRANS,JURIS

　

3. Description of some ultrafilters via $\mathcal{I}$-ultrafilters (Combinatorial and Descriptive Set Theory)-----------------------20

　　　　University of West Bohemia, Department of Mathematics　　　FLASKOVA,JANA

　

4. Left-separated topological spaces under Fodor-type Reflection Principle (Combinatorial and Descriptive Set Theory)---------------32

　　　　中部大学工学部理学教室　　　渕野 昌　(Fuchino,Sakae)

　

5. FUNCTIONS WITH MANY LOCAL EXTREMA (Combinatorial and Descriptive Set Theory)-----------------------------------------------------43

　　　　DEPARTMENT OF MATHEMATICS, BOISE STATE UNIVERSITY　　　GESCHKE,STEFAN

　

6. There are more co-analytic sets than Borel (Combinatorial and Descriptive Set Theory)--------------------------------------------48

　　　　U. Melbourne　　　Hjorth,Greg

　

7. Pair-reaping, finite chromatic ideal and Smirnov compactifications of $\omega$ (Combinatorial and Descriptive Set Theory)--------52

　　　　大阪府立大学理学系研究科　　　嘉田 勝　(Kada,Masaru)

　

8. The branching structure of trees on directed sets (Combinatorial and Descriptive Set Theory)-------------------------------------57

　　　　早稲大学本庄高等学院　　　柄戸 正之　(Karato,Masayuki)

　

9. A maximal forcing axiom compatible with weak club guessing (Combinatorial and Descriptive Set Theory)----------------------------63

　　　　南山大学数理情報学部　　　宮元 忠敏　(MIYAMOTO,Tadatoshi)

　

10. Specker phenomenon in the countable case (Combinatorial and Descriptive Set Theory)---------------------------------------------76

　　　　早稲田大学基幹理工学研究科　　　中村 順　(Nakamura,Jun)

　

11. The Cardinal Invariants of certain Ideals related to the Strong Measure Zero Ideal (Combinatorial and Descriptive Set Theory)---83

　　　　大阪府立大学理学系研究科　　　大須賀 昇　(Osuga,Noboru)

　

12. A variant of the Banach-Mazur game and knot points of typical continuous functions (Combinatorial and Descriptive Set Theory)---91

　　　　九州大学数理学研究院　　　斎藤 新悟　(SAITO,Shingo)

　

13. A remark on Martin's maximum (Combinatorial and Descriptive Set Theory)---------------------------------------------------------97

　　　　神戸大学工学研究科　　　酒井 拓史　(Sakai,Hiroshi)