Combinatorics and Statistical Mechanics

By Cambridge University

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Episodes: 143

Description

The past half-decade has seen an increasing interaction between combinatorialists, probabilists, computer scientists and theoretical physicists concerned broadly with the study of "probability theory on graphs" or "statistical mechanics on graphs". The programme will build on this cross-fertilisation. It is particularly timely for a number of reasons: * methods from mathematical physics are beginning to make their mark on previously intractable combinatorial problems; * increasing computer power, together with the wide availability of symbolic-algebra packages, has brought the possibility of exploration of non-trivial examples; * phase transitions are increasingly being investigated on a wide variety of combinatorial structures, including matroids, set partitions and constraint satisfaction problems, as well as graphs. Read more at: www.newton.ac.uk/programmes/CSM/

Episode Date
Bounding chromatic roots of series parallel graphs in terms of maxmaxflow
Jul 01, 2008
Zero-free regions for multivariate Tutte polynomials
Jun 10, 2008
Trees versus connected graphs II
May 27, 2008
Random randomly coloured graphs
May 13, 2008
Trees versus connected graphs I
May 13, 2008
Can we solve it? Some numerical tests revealing analytic structure.
May 13, 2008
Large deviations and quantum gravity
May 13, 2008
The clustering coefficient of a scale-free random graph
May 12, 2008
A Grassmann algebra related to spanning forests
May 12, 2008
Theory of electric networks: the two-point resistance and impedance
May 09, 2008
Counting lattice paths with the kernel method
May 09, 2008
Prudent and quasi-prudent self-avoiding walks and polygons
May 08, 2008
Boundary partitions in trees and dimers
May 08, 2008
Dimer partition functions on surface graphs of higher genus
May 08, 2008
Exact enumeration of plane partitions and rhombus tilings
May 07, 2008
Dimer packings with gaps and electrostatics: boundary interactions
May 07, 2008
The bead model
May 07, 2008
Alternative tableaux, permutations and partially asymmetric exclusion process
May 07, 2008
Conformal invariance and universality in the 2D lsing model
May 06, 2008
Entanglement in the XXZ chain
May 06, 2008
The asymmetric exclusion process: an integrable model for non-equilibrium statistical mechanics
May 06, 2008
Exact valence bond entanglement entropy in the XXZ and related spin chains
May 06, 2008
Three colour statistical model with 'domain wall' boundary conditions
May 02, 2008
Alternating sign matrices from a physicist point of view
May 02, 2008
Multivariate generalisation of Hankel determinants of Catalan numbers and middle binomial coefficients
May 02, 2008
Gaudin functions of any order
May 02, 2008
Algebraic structure of the q-Knizhnik-Zamolodchikov equation on a segment, partial sums and punctured plane partitions
May 01, 2008
Large deviation of the top eigenvalue of a random matrix
May 01, 2008
The continuous limit of random planar maps
May 01, 2008
Partitions, matrix models, and geometry
May 01, 2008
Vacancy localisation in the square dimer model, statistics of geodesic in large quadrangulations
Apr 30, 2008
A bijection for covered maps on orientable surfaces
Apr 30, 2008
Some notes on the combinatorial zeta function
Apr 30, 2008
Matroids with nine elements
Apr 29, 2008
Counting partially directed walks in a symmetric wedge
Apr 29, 2008
Constructive field theory without tears
Apr 28, 2008
Identities for fully packed loop configurations and semistandard tableaux
Apr 28, 2008
Forest-root formulas in statistical physics
Apr 28, 2008
A rosetta stone: combinatorics, physics, probability
Apr 28, 2008
Enumeration and asymptotics of random walks and maps
Apr 28, 2008
Connes-Kreimer Hopf algabra for non-commutative field theory
Apr 25, 2008
Alexander-Conway polynomial, milnor numbers, and the Pfaffian matrix-tree theorem
Apr 25, 2008
Enumeration of planar graphs by matrix integrals
Apr 25, 2008
Multivariable Tutte and transition polynomials
Apr 25, 2008
Solving Bogoliubov's recursion in renormalisation using a simple algebraic identity
Apr 24, 2008
Combinatorial identities and the correlation function gaps in dimer packings
Apr 24, 2008
Integral equations for cluster expansion sums of polymer models with (soft) repulsion
Apr 24, 2008
Potts model, O(n) non-linear sigma-models and spanning forests
Apr 23, 2008
Introduction to non commutative field theory
Apr 23, 2008
Parametric representation of non commutative quantum field theory
Apr 23, 2008
Analyticity of the pressure of the hard-sphere gas
Apr 22, 2008
An extensor tree theorem and a Tutte identity for graphs with distinguished port edges
Apr 22, 2008
Determinant formulas for pairing matrices of arrangements of hyperplanes
Apr 22, 2008
Improved bounds on cluster expansion of the abstract polymer model (via the Penrose identity)
Apr 22, 2008
Mayer polytopes and divided differences
Apr 22, 2008
Counting with Gaussian integrals and cluster expansions
Apr 21, 2008
A bijection between subgraphs and orientations based on the combinatorics of the Tutte polynomial
Apr 21, 2008
Field theoretic cluster expansions and the Brydges-Kennedy forest sum formula
Apr 21, 2008
An introduction to the Mayer expansion
Apr 21, 2008
Introduction to the theory of heaps of pieces with applications to statistical mechanics and quantum gravity
Apr 21, 2008
Introduction to species and combinatorial equations
Apr 20, 2008
Graph classes with given 3-connected components: asymptotic counting and critical phenomena
Apr 16, 2008
Cluster expansions (a historical overview)
Apr 15, 2008
Card shuffling and Diophantine approximation
Apr 02, 2008
Randomised algorithms for the maximum clique problem
Apr 02, 2008
Testing expansion in bounded degree graphs
Apr 02, 2008
Near Boltzmann-Gibbs measure preserving stochastic variational integrator
Apr 02, 2008
Extremality of Gibbs measure for colorings on trees
Apr 02, 2008
What happens to a random walk before equilibrium?
Apr 02, 2008
Bank sampling: a practical proposal for sampling from isolated maxima with the Metropolis algorithm
Apr 02, 2008
Rapidly mixing Markov chains and the sharp transition in 2D ising percolation
Apr 02, 2008
Parking functions and acyclic orientations
Apr 02, 2008
An introduction to dynamic critical phenomena and cluster algorithms
Apr 01, 2008
Properties of the interfaces in the multyphase regimes
Apr 01, 2008
A birthday paradox for Markov chains, with an optimal bound for collision in the Pollard Rho algorithm for discrete logarithm
Apr 01, 2008
Proving slow mixing with fault lines and fat contours
Apr 01, 2008
Graphical representations and cluster algorithms
Apr 01, 2008
Log-concave random graphs
Mar 31, 2008
Rapid mixing of Gibbs sampling on graphs that are sparse on average
Mar 31, 2008
Cutoff in total variation for birth-and-death chains
Mar 31, 2008
On hitting times and fastest strong stationary times for birth-and-death chains and other skip-free chains
Mar 31, 2008
Colouring random graphs randomly
Mar 31, 2008
Multiple random walks in random regular graphs
Mar 31, 2008
Path coupling without contraction
Mar 29, 2008
The east model: a case study from glassy dynamics
Mar 28, 2008
Random colorings
Mar 28, 2008
Can extra updates delay mixing?
Mar 27, 2008
Glauber dynamics for the Ising Model on the Complete Graph
Mar 27, 2008
Ising Model on Kn: mixing time for Glauber dynamics at critical ϐ
Mar 27, 2008
A new probability inequality and some optimal concentration results
Mar 27, 2008
Asymptotic enumeration of contingency tables
Mar 27, 2008
A Markov chain for certain triple systems
Mar 27, 2008
Set-theoretic solutions of the Yang-Baxter equation - a combinatorial approach
Mar 26, 2008
Gibbs ensembles of nonintersecting paths, and determinantal processes
Mar 26, 2008
Combinatorics and quantum information theory
Mar 26, 2008
Connections between combinatorics and statistical mechanics
Mar 18, 2008
Dominant traits in the zeros of two-variate two-terminal reliability polynomials
Feb 10, 2008
Integer symmetric matrices with spectral radius at most 2.019
Feb 10, 2008
Representations and partition function zeros of the Potts model with and without boundaries
Feb 08, 2008
Complex roots of chromatic polynomials
Feb 08, 2008
Self-dual spin systems, zeros of partition function, and error correcting codes
Feb 08, 2008
Zeros of chromatic and Tutte (Potts) polynomials and general Ising model, and their accumulation sets for families of graphs
Feb 08, 2008
Independent sets, lattice gases and the Loavsz Local Lemma
Feb 07, 2008
Zeros of truncated binomial polynomials
Feb 07, 2008
Zeros of graph-counting polynomials and their accumulation sets
Feb 07, 2008
Chromatic zeros for some recursively defined families of graphs
Feb 07, 2008
A simple resummation method for cluster expansions
Feb 07, 2008
Enumeration of spanning subgraphs with degree constraints
Feb 07, 2008
The topological Tutte polynomials of Bollobas and Riordan: properties and relations to other graph polynomials
Feb 06, 2008
On polynomials arising from zonotopal algebra
Feb 06, 2008
Cluster expansions for hard-core systems: II convergence criteria
Feb 06, 2008
Cluster expansions for hard-core systems: I introduction
Feb 06, 2008
Geometry of polynomials and applications
Feb 03, 2008
New methods for solving high degree polynomial equations that have multiple roots
Feb 01, 2008
Constructive resolution of two conjectures on real chromatic roots
Feb 01, 2008
Bounds for the numner of matchings in regular graphs
Feb 01, 2008
The calculus of combinatorial constructions and Hopf algebras
Jan 31, 2008
On graphs whose chromatic polynomials have no zeros in (1,2)
Jan 31, 2008
On the zeros of independence and open set polynomials
Jan 31, 2008
Chromatic polynomials and a second Hamiltonian cycle
Jan 31, 2008
Complex zeros of the chromatic and Tutte polynomials
Jan 31, 2008
Chromatic factorisation of graphs
Jan 31, 2008
Real zeros of chromatic and flow polynomials
Jan 30, 2008
Chromatic roots and fibonacci numbers
Jan 30, 2008
Graphs and matroids IV
Jan 30, 2008
Probablistic methods II
Jan 30, 2008
Conformal field theory III
Jan 30, 2008
Graphs and matroids III
Jan 29, 2008
Statistical mechanics III
Jan 29, 2008
Phase transitions and cluster expansions III
Jan 29, 2008
Conformal field theory II
Jan 29, 2008
Algorithms and complexity II
Jan 28, 2008
Algorithms and complexity I
Jan 28, 2008
Probablistic methods I
Jan 28, 2008
Conformal field theory I
Jan 28, 2008
Combinatorial enumeration II
Jan 25, 2008
Statistical mechanics II
Jan 25, 2008
Phase transitions and cluster expansions II
Jan 25, 2008
Graphs and matroids II
Jan 25, 2008
Combinatorial enumeration I
Jan 24, 2008
Statistical mechanics I
Jan 24, 2008
Phase transitions and cluster expansions I
Jan 24, 2008
Graphs and matroids I
Jan 24, 2008