Academic Positions

• Assistant Professor (September 2006- present), Department of Mathematics, Chung-Ang University, Seoul, Korea.
  
• Wylie Assistant Professor (July 2004-July 2006), Department of Mathematics, University of Utah, Utah, USA.
  
• Visiting Scholar (June, July 2005), The school of Mathematics, Korea Institute for Advanced Study (KIAS), Seoul, Korea.
• Instructor (June, July 2005), Department of Mathematics Education, Ewha Womans University, Seoul, Korea.

• Associate member (January 2008-present), The school of Mathematics, Korea Institute for Advanced Study (KIAS), Seoul, Korea.

Education

• Ph.D. Mathematics, Indiana University, Bloomington, July 2004.
  Thesis Title: Mordell-Weil groups and the rank of elliptic curves over large fields
  Advisor : Dr. Michael Larsen

• M.S., Mathematics, Ewha Womans University, Seoul, Korea, February 1997. 
  Thesis Title: Primary decompositions of ideals in graded rings 
  Advisor : Dr. Hyesook Lee and Dr. Sunsook Noh

• B.S.(summa cum laude), Mathematics, Ewha Womans University, Seoul, Korea, February 1995. 
  Advisor : Dr.Yongseung Cho
  

Research Interests  

• Algebraic Number Theory
• Arithmetic Geometry 

Publications / Preprints

• Cha, Byungchul; Im, Bo-Hae: Chebyshev's bias over Galois extensions of global function fields, submitted, 2008.
• Im, Bo-Hae: Rational points of principal homogeneous spaces,  preprint, 2001.
  

• Im, Bo-Hae; Larsen, Michael: Generalizing a Theorem of Richard Brauer,  arXiv:0802.3809, J. Number Theory, Vol.128, Issue 12, 2008.
• Im, Bo-Hae; Larsen, Michael: Abelian varieties over cyclic fields, Amer. J. Math. Vol. 130, no. 5, October 2008, arXiv:math.NT/0605444.
• Breuer, Florian; Im, Bo-Hae: Heegner points and the rank of elliptic curves over large extensions of global fields, Canad. J. Math., Vol.60 (3) (2008), 481-490,  arXiv:math.NT/0604107.
• Im, Bo-Hae: Heegner points and Mordell-Weil groups of elliptic curves over large fields, Trans. Amer. Math. Soc. Vol. 359, no.12 (2007), 6143-6154,  arXiv: math NT/0411534.
• Im, Bo-Hae: Mordell-Weil groups and the rank of elliptic curves over large fields, Canad. J. Math. Vol.58 (4) (2006), 796-819,  arXiv: mat NT/0411533.
• Im, Bo-Hae; Larsen, Michael: Weak approximation for linear systems of quadrics, J. Number Theory, Vol.119, no.1 (2006) 148-154, arXiv: math.NT/0306265
• Im, Bo-Hae:The rank of elliptic curves with rational 2-torsion points over large fields, Proc. Amer. Math. Soc., Vol.134, no.6 (2006), 1623-1630.
• Im, Bo-Hae; Larsen, Michael: Open conditions for infinite multiplicity eigenvalues on elliptic curves,  J. Algebra,  Vol.299, no.2 (2006), 707-713, arXiv: math NT/0503156.
• Im, Bo-Hae: Infinite multiplicity of roots of unity of the Galois group in the representation on elliptic curves, J. Number Theory, Vol.114, no.2 (2005),  312-323.

• Articles from Advising Undergraduate Students: With Charlotte Hansen: Minimal polynomials of trigonometric values at 2pi/p, 2005.

• The rank of elliptic curves over large fields, Ph.D. thesis, Indiana University, Bloomington, July 2004.
• Primary decompositioins of ideals in graded rings,  M.S. thesis,  Ewha Womans University, Seoul, Korea, Feb.1997.
  

Awards / Grants

• Research Funds from KOSEF(Korea Science and Engineering Foundation) (2007.5.1-2010.2.29)
  
• The NSF-AWM Travel Grants, the AWM (the Association for Women in Mathematics), February, 2006.
  
• William B. Wilcox Mathematics Award, in recognition of outstanding mathematical achievement in  Department of Mathematics, Department of Mathematics, Indiana University, Bloomington, April 2002
• David A. Rothrock Teaching Award, in recognition of outstanding performance in teaching mathematics, Department of Mathematics, Indiana University, Bloomington, April, 2000  
• James P.Williams Memorial Award, in recognition of outstanding performance in the first year of graduate school, Department of Mathematics, Indiana University, Bloomington, April, 1998
• Glenn Schober Memorial Travel Award, Department of Mathematics, Indiana University, Bloomington, 2000, 2003, 2004
• College of Arts and Sciences Graduate Student Travel Grants, College of Arts and Sciences, Graduate Division, Indiana University, Bloomington, 2004
• Kim Aeda Award (김애다 상),  given to the best GPA (summa cum laude)  in College of Natural Science, Ewha Womans University, Seoul, Korea,  February, 1995.
• Summer Research Assistantships: Summer 1999 (under the NSF fund by James Davis, Indiana University), Summer 2000, 2001, 2002 (under the NSF fund by Michael Larsen, Indiana University)

Invited Talks

• 
  
• Mordell-Weil group of abelian varieties and the action of the absolute galois group on abelian varieties, NIMS, June 19, 2008.
• The action of the absolute galois group on abelian varieties, KAIST, June 12, 2008.
  
• Roots of unity of the Galois representation on elliptic curves, Kyung Hee University, May 28, 2008.
  
• Infinite multiplicity of nth roots of unity of the Galois representation on abelian vatieties, Postech, May 23, 2008.
  
• On the Products of quadratic twists of elliptic curves, Algebra Seminar, Indiana University, Bloomington, Feb.25, 2008.
  
• Mordell-Weil groups of elliptic curves, Departmental colloquium, Department of Mathematics, SookMyung Women's University,  Nov.1, 2007.
  
• Weak approximations for linear systems of quadrics, Algebra Session, KWMS, July 5, 2007
  
• Mordell-Weil groups of elliptic curves, Departmental colloquium, Department of Mathematics, Konkuk University, May 16, 2007.
• Mordell-Weil groups of elliptic curves, Departmental colloquium, Department of Mathematics, Yonsei University, May 3, 2007.
• Abelian vareities over cyclic fields, KAIST Number Theory Conference, KAIST, February 1, 2007.
  
• Heegner points and the rank of elliptic curves over large extensions of global fields, Special Session on Arithmetic of function fields, The AMS national meeting (#113 national, #1023 meeting), New Orleans, Louisiana, Jan.5-8, 2007.
  
• Abelian vareities over cyclic fields, International Number Theory Workshop, KIAS, Seoul, Korea, Dec. 7-9, 2006.
  
• Abelian vareities over cyclic fields, KIAS, Number Theory Seminar, KIAS, Seoul, Korea, Nov. 10, 2006.
  
• The rank of elliptic curves over large fields, KMS, Special Session on Number Theory, Seoul National University, Seoul, Korea, Oct. 27-29, 2006.
  
• Open conditions for infinite multiplicity eigenvalues on elliptic curves and its generalization to  abelian varieties, Special Session on Number Theory, The AMS Sectional Meeting (#1019), University of Utah, Oct.7-8, 2006.
  
• The rank of elliptic curves over large fields, Departmental Colloquium, Ewha Womans University, Oct. 13, 2006.
• The rank of elliptic curves over large fields, Departmental Colloquium, Chung-Ang University, Sept. 29, 2006.
• Open conditions for infinite multiplicity eigenvalues on elliptic curves, Special Session on Galois Theory in Arithmetic and Geometry, The AMS 2006 Spring Eastern Sectional Meeting (#1017), University of New Hampshire, Durham, NH, April 22-23, 2006.
  
• The rank of elliptic curves over large fields, Colloquium, Department of Mathematics, University of Idaho, March 6, 2006.
  
• The rank of elliptic curves over large fields, Colloquium, Department of Mathematics & Statistics, Georgia State University, February 27, 2006.
  
• Elliptic curves as the natural representation of the absolute Galois group and the rank ove large fields,  Algebra and Number Theory Seminar, Penn State University, November 17, 2005.
• The rank of elliptic curves and infinite multiplicity of roots of unity on elliptic curves, Departmental Colloquium, Korea University,  Seoul, Korea, September 30, 2005.
  
• The rank of elliptic curves and infinite multiplicity of roots of unity on elliptic curves, Number Theory Seminar, KIAS(Korea Institute for Advanced Study), Korea, July 14, 2005.
• The rank of elliptic curves and infinite multiplicity of roots of unity on elliptic curves, KWMS, The 2nd International Workshop for Korean Woman in Mathematics, Korea, June 20-21, 2005.
• Infinite multiplicity of roots of unity of the Galois representation on elliptic curves , Special Session on Arithmetical Algebraic Geometry,  AMS national meeting (#1003), Atlanta, Georgia, January 5-8, 2005 
• The rank of elliptic curves over large fields, Departmental Colloquium at Ewha Womans University, Seoul, Korea, May 25, 2004.
• The rank of elliptic curves over large fields, Number Theory Seminar at (POSTECH) Pohang University of Science and Technology, Pohang, Korea, May 20, 2004.
• The rank of elliptic curves over large fields, Number Theory Seminar at University of Utah, Salt Lake City, February 6, 2004.
• The rank of the Mordell-Weil groups of elliptic curves over large fields, Special Session on Arithmetical Algebraic Geometry,  AMS meeting (#993), Phoenix, Arizona, January 7-10, 2004
• The rank of elliptic curves over large fields, Québec-Vermont Number Theory Seminars at McGill University, Canada,  March 27, 2003
• The rank of elliptic curves over large fields, Algebraic Number Theory Seminar at University of Illinois-Urbana Champaign, February 20, 2003
• The rank of the Mordell-Weil groups of elliptic curves over large fields, Midwest Number Theory Conference, Univ. of Wisconsin - Madison, October 25-26, 2003
• Mordell-Weil groups of elliptic curves over large fields, Session on Number Theory I, AMS meeting (#983), Baltimore, MA, January 15, 2003

Internal Talks and Conferences attended

• Participant,  WIN(Women in Numbers), BIRS, Banff, Canada, Nov. 2-7, 2008.
• Participant,  International Workshop on Cryptography, Ewha Womans University, Jan. 28-29, 2008.
• Participant, East Asia Number theory Conference, KAIST, Jan.21-24, 2008.
  
• Speaker, Progress on the rank of abelian varieties over large fields, Number Theory Seminar at U. of Utah, May 4, 2006.
  
• Speaker, Hilbert irreducibility and its application, Commutative Algebra Seminar at U. of Utah, November 12, 2004.
• Speaker, Infinite multiplicity of the Galois group on elliptic curves, Number Theory Seminar at U. of Utah, October 6, 2004.
• Speaker, Heegner points and Mordell-Weil groups of elliptic curves over large fields, Algebra Seminar at Indiana University, November 10, 2003
• Participant, Arizona Winter School 2003 : Logic and Number Theory, Univ. of Arizona, Tucson, March 15-19, 2003
• Speaker, The rank of elliptic curves over large fields, Algebra Seminar at Indiana University, December 9, 2002
• Participant,  Arizona Winter School  2001  :  Modular Forms,  Univ. of Arizona, Tucson,  March 10 - 14,  2001
• Speaker, Introduction to elliptic curves, Graduate seminar at Indiana University, December 5, 2001
• Speaker, p-adic analysis, Graduate seminar at Indiana University, March 31, 1999

Teaching Experience

• Current Teaching

• Fall 2008: Number Theory,  Cryptograghy

• Past Teaching
  • Chung-Ang University
  • Spring 2008: Lie Algebra (Graduate Course),  Linear Algebra (engin)
    
  • Fall 2007: Abstract Algebra II,  Cryptography and Number Theory
    
  • Spring  2007: Abstract Algebra I, Linear Algebra(engin), Precalculus
  • Fall      2006:  Cryptography and Number Theory,  Group Theory(Graduate Course), Graduate Algebra (Education)
  • University of Utah
  • Spring  2006: Math 1080-1 Perspective on Mathematics,  Math 2270-2 Linear Algebra
  • Fall      2005 :  Honor 2201-1 Honors Calculus
  • Spring  2005 :  Math 2270-2  Linear Algebra
  • Fall      2004 :  Math 1220-5  Calculus II

• Ewha Womans University, Seoul, Korea
  
  • Summer I 2005 : Elementary Number Theory and Cryptography 

• Indiana University (click for more details)

Members, Services and Activities

• I have reviewed journal papers as a reviewer of Mathematics Reviews of the AMS since 2006.
  
• I  am  a member of

• AMS (American Mathematical  Society) since 1998
• AWM (Associated for Women in Mathematics since 1998
• KMS (Korean Mathematical Society) since 2006
• KWMS (Korean Women Mathematical Society) since 2005
  

Last modified : 1/31/2008

th visit since 03/25/06