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Department of Mathematics College of Liberal Arts and Sciences University of Illinois at Urbana-Champaign 273 Altgeld Hall, MC-382 1409 W. Green Street, Urbana, IL 61801 USA Department Main Office Telephone: (217) 333-3350 Fax (217) 333-9576 My full name is Shen Jiashun. My English name is Jason. Email Address: shen32@illinois.edu I am Chinese and got my B.SC degree in National University of Singapore majoring in mathematics in 2009. Now, I am a first year Ph.D student in the department of mathematics of UIUC. My undergraduate thesis advisor is Harald Niederreiter. I am interested in number theory, algebraic coding theory, information theory and cryptography now.