• An asymptotic formula for the number of non-negative integer matrices with prescribed row and column sums
  • (with J.A. Hartigan)

    preprint

  • Maximum entropy Gaussian approximation for the number of integer points and volumes of polytopes
  • (with J.A. 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.