Sean
Hallgren
Contact:
Department of Computer Science
and
Engineering
The Pennsylvania State University
348A IST
Building
University Park, PA 16802
(814) 863-1265
(o)
(814) 865-3176 (f)
Penn State Theory Group
PECASE
Award
Papers:
Computing the unit
group, class group, and compact representations in algebraic
function fields, with Kirsten Eisenträger,
Classical Cryptographic
Protocols in a Quantum World , with Adam Smith and Fang Song,
Algorithms for ray
class
groups and Hilbert class fields, with Kirsten Eisenträger,
Superpolynomial
speedups
based on almost any quantum circuit, with Aram Harrow,
Making classical honest
verifier zero knowledge protocols secure against quantum
attacks, with
Alexandra Kolla, Pranab Sen,
and Shengyu Zhang,
Limitations of Quantum
Coset States for Graph Isomorphism, with
Cristopher Moore, Martin Roetteler, Alexander Russell, and
Pranab Sen,
STOC 2006.
Journal of the
ACM, 57(6), article 34, 2010. pdf
Fast Quantum Algorithms for
Computing the Unit Group and Class
Group of a Number Field,
Quantum Noisy Rational
Function Reconstruction , with Alexander
Russell and Igor Shparlinski,
Quantum Algorithms
for
some Hidden Shift Problems , with Wim van Dam and
Lawrence Ip,
SIAM Journal on
Computing, 36(3):763-778, 2006. pdf
Polynomial-Time
Quantum
Algorithms
for Pell's Equation and the Principal Ideal
Problem ,
STOC 2002. ps pdf
Journal of the ACM,
54(1):1-19, 2007.
Quantum
Fourier
Sampling,
the
Hidden
Subgroup
Problem,
and
Beyond,
Ph.D.
Thesis,
University of California, Berkeley, 2000. ps
pdf ( Chapters
)
An
Improved Quantum
Fourier Transform Algorithm and Applications ,
with Lisa Hales,
Normal Subgroup
Reconstruction and Quantum Computation Using Group
Representations
, with Alexander
Russell and Amnon Ta-Shma,
SIAM
Journal on Computing, 32(4):916-934, 2003. pdf
Quantum
Fourier
Sampling
Simplified , with Lisa Hales,
Teaching:
Theory of Computation,
Spring/Fall 2011
Computational
Complexity,
Fall 2010
Algorithm Design and
Analysis, Fall 2009, Fall 2012
Discrete Mathematics,
Spring/Fall 2008
Quantum Computation,
Fall
2007, Spring 2010, Spring 2012
Theory
of
Computation , Princeton University, Fall 2006
My old
team