Algebraic and arithmetic number theory
Iwasawa theory and Euler systems of Kolyvagin, Rubin, etc.
 1. Coleman's conjecture on circular distributions via Euler systems                2.  Gross' conjecture and Leopoldt's conjecture     


Education and Research

2005-,  Yonsei University at Seoul
Assistant Professor and Research fellow : 2003-2005, KIAS at Seoul
BK21 Contracted Professor : 2002 -2003, Yonsei University at Seoul 
Assistant Professor : 1999-2001, University of Minnesota at Minneapolis
Ph.D : 1994-1999, University of California at Berkeley 


Euler Systems and Circular Distribution 

Thesis Advisor : Professor Robert Coleman 


24. S. Seo (and D. Burns, A. Daud, T. Sano)  On Euler  systems for the multiplicative group over general number fields. pdf

23. S. Seo (and D. Burns) On circular distributions and a conjecture of Coleman. Israel J.  Math. to appear. pdf

22. S. Seo, On the ascent property of the Kuzmin-Gross conjecture. preprint.

21. S. Seo, On  the universal norm elements and a Coleman's problem. preprint

20. S. Seo (and L. Wan), On arithmetic of modified idle class groups.  Izvestia. Mathematics (2020). pdf

19. S. Seo,  On torsion towers of the Bertrandias and Payan $p$-extensions. Israel J.  Math. 221 (2017), 563-583.

18. S. Seo,  On the conjectures of Gross and Leopoldt. Math. Res. Let. 22 (2015), 1509-1540. 

17. S. Seo,  On finite layers of Z_l-extensions and K_2. J. Number Theory 145 (2014), 153-180.

16. S. Seo,  On first layers of Z_l-extensions. J. Number Theory 133 (2013), 4010-4023. 

15. S. Seo,  On first layers of Z_l -extensions II. Acta Arith. 150 (2011), 385-397. 

14. S. Seo,  Truncated Euler systems over imaginary quadratic fields. Nagoya Math. J. (2009), 97-111.  

13. S. Seo,  On formulas for the index of the circular distributions. Manuscripta Math.127.(2008), 381-396.  

12. S. Seo,  Truncated Euler systems. J. Reine Angew. Math. 614 (2008), 53-71. 

11. S. Seo (and D. Burns),  On the Galois cohomology of ideal class groups. Arch.Math.(Basel) 89(2007), 536-540.  

10. S. Seo,  Circular distributions of finite order. Math. Res. Let. (2006), 1-14. 

 9.  S. Seo,  Cohomology groups of the class groups over a Z_l- extension. Acta Arith. 120(2005),  337-348. 

8.  S. Seo, Circular distributions and a result of Solomon. J. Number Theory 115 (2005),             348-359.  

7.  S. Seo,  A note on circular distributions. Acta Arith. 114 (2004),  313-322.  

6.  S. Seo,  Euler systems and special units. J. Number Theory 109 (2004),  59-68.

5.  S. Seo,  On circular units over the cyclotomic Z_l-extension of an abelian field. Manuscripta Math.115(2004),117-123.  

4.  S. Seo,  Circular distributions and Euler systems. II. Compositio Math. 137 (2003), 91-98.

3.  S. Seo,  A note on algebraic Gamma-monomials and double coverings. J. Number Theory         93 (2002), 76-85.   

2.  S. Seo,  Circular distributions and Euler systems. J. Number Theory 88 (2001), 366-379.   

1.  S. Seo,  Circular distributions and Euler systems. Thesis (Ph.D.)University of California,Berkeley. 1999. 

Honors and Awards 

Korea Undergraduate Math Problem Solving Contest Awards ; 1986, 1987 and 1988

Teaching Experience 

BK21 Contracted Professor, Yonsei University; 2002 -2003 
Assistant Professor, University of Minnesota at Minneapolis; 1999-2001 
Summer Lecturer, University of California at Berkeley; Summer 1999 
Teaching Assistant, University of California at Berkeley; 1996-1999 

Dr. Soogil Seo
Tel: 2123-2583
Fax: 392-6634


Department of Mathematics
Yonsei University
South Korea