- Assistant Research Professor of Mathematics

**External address:**220 Physics, Durham, NC 27708

**Phone:**(919) 660-2850

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# Heekyoung Hahn

**External address: **220 Physics, Durham, NC 27708**Phone: **(919) 660-2850
### Research Areas and Keywords

##### Algebra & Combinatorics

##### Analysis

##### Geometry: Differential & Algebraic

##### Number Theory

Number Theory in the large: Automorphic represenations, Trace formula, Laplacian eigenfunctions and Littlewood-Richardson coefficients

##### Education & Training

### Selected Grants

### Fellowships, Supported Research, & Other Grants

## Pages

## Pages

## Pages

## Pages

## Mathematics

## Academics

## Current Students

## Future Students

- Assistant Research Professor of Mathematics

Littlewood-Richardson semigroup, representations for the classical groups, partitions and q-series

Laplacian eigenvalues and relative Weyl law

Flag varieties and periods

relative trace formula, automorphic L-functions, modular forms and elliptic curves, partitions

Ph.D., University of Illinois -- Urbana-Champaign 2004

University-wide Excellence in Undergraduate Teaching. University of Illinois at Urbana--Champaign. 2002

University-wide Excellence in Undergraduate Teaching. University of Illinois at Urbana-Champaign. 2001

Re:boot Number Theory awarded by National Security Agency (Co-Principal Investigator). 2016 to 2018

Member of the IAS awarded by Institute for Advanced Study (2018)

Visiting Scholar awarded by Korea Institute for Advanced Study (KIAS) (2016)

Math Before Symbols awarded by Bass Connection (EHD grant), Duke University (2013 to 2014)

Discovery Grant awarded by NSERC (386551-2010-RGPIN) (2010 to 2012)

Postdoctoral support awarded by NSF FRG (DMS 0244660), University of Rochester (2005 to 2007)

University Fellowship awarded by University of Illinois at Urbana-Champaign (2004)

Predoctoral Fellowship awarded by University of Illinois at Urbana-Champaign (2003)

Berndt, BC.* Ramanujan's Forty Identities for the Rogers-Ramanujan Functions.* American Mathematical Soc., 2007.

Getz, JR, and Hahn, H.* An introduction to automorphic representations with a view towards trace formulae.*. (Textbook)

Hahn, H. "On Classical groups detected by the triple tensor product and the Littlewood–Richardson semigroup." *Research in Number Theory* 2.1 (December 2016).
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Hahn, H. "On tensor third $L$-functions of automorphic representations of $GL_n(\mathbb {A}_F)$." *Proceedings of the American Mathematical Society* 144.12 (May 4, 2016): 5061-5069.
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Getz, JR, and Hahn, H. "A general simple relative trace formula." *Pacific Journal of Mathematics* 277.1 (2015): 99-118.
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Hahn, H, Akhtari, S, David, C, and Thompson, L. "Distribution of square-free values of sequences associated with elliptic curves." *Contemporary Mathematics* 606 (October 16, 2013): 171-188.

Getz, JR, and Hahn, H. "ALGEBRAIC CYCLES AND TATE CLASSES ON HILBERT MODULAR VARIETIES." *International Journal of Number Theory* 2 (2013): 1-16.

Hahn, H. "A simple twisted relative trace formula." *Int. Math. Res. Not.* 2009 (2009): 3957-3978. (Academic Article)

Hahn, H. "Eisenstein series associated with Γ0(2)." *The Ramanujan Journal* 15.2 (February 2008): 235-257.
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Hahn, H. "Convolution Sums of Some Functions on Divisors." *Rocky Mountain Journal of Mathematics* 37.5 (October 2007): 1593-1622.
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Hahn, H. "On zeros of Eisenstein series for genus zero Fuchsian groups." *Proceedings of the American Mathematical Society* 135.08 (March 29, 2007): 2391-2402.
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Ablowitz, MJ, Chakravarty, S, and Hahn, H. "Integrable systems and modular forms of level 2." *Journal of Physics A: Mathematical and General* 39.50 (December 15, 2006): 15341-15353.
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"Math is not something to be afraid of. Rather, it is something that you should enjoy playing with." Professor Heekyoung Hahn was interviewed in Girls' Angle Bulletin's most recent issue. The... read more »

"A glamorous Hollywood star, a renegade composer, and the mathematical development of spread spectrum communications". abstract: During World War II, Hedy Lamarr, a striking Hollywood actress; together with George Antheil, a radical composer;... read more »

SWIM (Summer Workshop In Mathematics) is a 9-day workshop for female rising senior high school students interested in mathematics. All students currently in their junior year of high school are eligible to apply. Participants in the workshop will... read more »

120 Science Drive

117 Physics Building

Campus Box 90320

Durham, NC 27708-0320

phone: 919.660.2800

fax: 919.660.2821

dept@math.duke.edu