Maximum entropy Gaussian approximation for the number of integer points
and volumes of polytopes
(with J. Hartigan)
preprint
What does a random contingency table look like?
preprint
On the number of matrices and a random matrix with prescribed row and
column sums and 0-1 entries
preprint
An approximation algorithm for counting contingency tables
(with Z. Luria, A. Samorodnitsky and A. Yong)
Random Structures & Algorithms, to appear
Asymptotic estimates for the number of contingency tables, integer flows, and volumes of transportation polytopes
International Mathematics Research Notices, 2009 (2009),
No. 2, 348--385
Counting magic squares in quasi-polynomial time
(with A. Samorodnitsky and A. Yong)
preprint
Contingency table and magic square enumeration
Software and data for the paper "Counting magic squares in
quasi-polynomial time"
A centrally symmetric version of the cyclic polytope
(with I. Novik)
Discrete & Computational Geometry, 39 (2008), 76--99
The computational complexity of convex bodies
(with E. Veomett)
Surveys on Discrete and Computational Geometry,
Contemporary Mathematics,
453 (2008), 117--137
Brunn-Minkowski inequalities for contingency tables and integer flows
Advances in Mathematics, 211 (2007), 105--122
The complexity of generating functions for integer points in
polyhedra and beyond
Proceedings of the International Congress of Mathematicians,
Madrid, August 22-30, 2006 , European Mathematical Society, vol. 3, 763-787.
Enumerating contingency tables via random permanents
Combinatorics, Probability and Computing, 17 (2008),
1--19
Approximating orthogonal matrices by permutation matrices
Pure and Applied Mathematics Quarterly, 2 (2006),
N 2, 943--961
Computing the Ehrhart quasi-polynomial of a rational simplex
Mathematics of Computation, 75 (2006), 1449-1466
Integration and optimization of multivariate polynomials by restriction onto
a random subspace
Foundations of Computational Mathematics, 7 (2007),
229-244
Lattice points, polyhedra, and complexity
Geometric Combinatorics, IAS/Park City Mathematics Series,
13, 2007, 19-62
Convex geometry of orbits
(with G. Blekherman)
Combinatorial and Computational Geometry, MSRI Publications,
52, 2005, 51-77
C++ codes for estimating permanents, hafnians and the number of
forests in a graph
These codes, written by Alexander Yong, implement
the algorithm suggested in the paper ``Random weighting ...''
below
Random weighting, asymptotic counting, and inverse isoperimetry
(with A. Samorodnitsky)
Israel Journal of Mathematics, 158(2007), 159-191.
Short rational generating functions for lattice point problems
(with K. Woods)
Journal of the American Mathematical Society, 16(2003),
957-979.
Estimating L-infinity norms by L2k norms
for functions on orbits
Foundations of Computational Mathematics, 2(2002), 393-412.
Approximating a norm by a polynomial
in: Geometric Aspects of Functional Analysis, Israel
Seminar 2001-2002, V.D. Milman and G. Schechtman ed.,
Lecture Notes in Mathematics, 1807 (2003), 20-26.
The distribution of values in the Quadratic Assignment Problem
(with T. Stephen)
Mathematics of Operations Research, 28(2003), 64-91.
The Maximum Traveling Salesman Problem (with E.Kh. Gimadi
and A.I. Serdyukov)
in: The Traveling Salesman problem and its
variations , 585-607, G. Gutin and A. Punnen, eds., Kluwer, 2002.
New Permanent Estimators via Non-Commutative Determinants
preprint
A C++ code to compute bounds for the permanent of a 0-1 matrix
by the ``average distance'' approach
This code, written by Eric Michael Ryckman, is a realization of
the algorithm suggested in the paper ``The distance approach ...''
below.
The distance approach to approximate combinatorial counting
(with A. Samorodnitsky)
Geometric and Functional Analysis, 11(2001), 871-899.
A remark on the rank of positive semidefinite matrices
subject to affine constraints
Discrete & Computational Geometry, 25(2001), 23-31.
Polynomial time algorithms to approximate permanents
and mixed discriminants within a simply exponential factor
Random Structures & Algorithms, 14(1999), 29-61.
Finding maximum length tours under polyhedral norms (with D. Johnson,
G. Woeginger, and R. Woodroofe)
Lecture Notes in Computer Science, 1412(1998), 195-201.
An algorithmic theory of lattice points in polyhedra
(with J. Pommersheim)
New Perspectives in Algebraic Combinatorics, MSRI Publications,
38, 1999, 91-147.