Convexity of the image of a quadratic map via the relative entropy distance
preprint
Thrifty approximations of convex bodies by polytopes
International Mathematics Research Notices, to appear
Approximations of convex bodies by polytopes and by projections of spectrahedra
preprint
Explicit constructions of centrally symmetric k-neighborly polytopes and large strictly antipodal
sets
(with S.J. Lee and I. Novik)
Discrete & Computational Geometry, 49 (2013), 429--443
A bound for the number of vertices of a polytope with applications
Combinatorica, to appear
Centrally symmetric polytopes with many faces
(with S.J. Lee and I. Novik)
Israel Journal of Mathematics, to appear
Neighborliness of the symmetric moment curve
(with S.J. Lee and I. Novik)
Mathematika, 59 (2013), 223--249
Matrices with prescribed row and column sums
Linear Algebra and its Applications, 436 (2012),
820--844
Computing the partition function for perfect matchings in a hypergraph
(with A. Samorodnitsky)
Combinatorics, Probability and Computing, 20 (2011),
815--825
The number of graphs and a random graph with a given degree sequence
(with J.A. Hartigan)
Random Structures & Algorithms, 42 (2013), 301--348
An asymptotic formula for the number of non-negative integer matrices with
prescribed row and column sums
(with J.A. Hartigan)
Transactions of the American Mathematical Society, 364
(2012), 4323--4368
Maximum entropy Gaussian approximation for the number of integer points
and volumes of polytopes
(with J.A. Hartigan)
Advances in Applied Mathematics, 45 (2010), 252--289
What does a random contingency table look like?
Combinatorics, Probability and Computing, 19 (2010), 517--539
On the number of matrices and a random matrix with prescribed row and
column sums and 0-1 entries
Advances in Mathematics, 224 (2010), 316--339
An approximation algorithm for counting contingency tables
(with Z. Luria, A. Samorodnitsky and A. Yong)
Random Structures & Algorithms, 37 (2010), 25--66
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
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.