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:
The Local Hamiltonian
problem on a line with eight states is QMA-Complete, with Daniel Nagaj and
Sandeep Narayanaswami,
Quantum Information
& Computation, Vol. 13, No. 9&10, 2013.
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