English
Related papers

Related papers: A coarse Tutte polynomial for hypermaps

200 papers

Motivated by circle graphs, and the enumeration of Euler circuits, we define a one-variable ``interlace polynomial'' for any graph. The polynomial satisfies a beautiful and unexpected reduction relation, quite different from the cut and…

Combinatorics · Mathematics 2007-05-23 Richard Arratia , Bela Bollobas , Gregory B. Sorkin

For any graph G with n edges, the spanning subgraphs and the orientations of G are both counted by the evaluation T_G(2,2)=2^n of its Tutte polynomial. We define a bijection $\Phi$ between spanning subgraphs and orientations and explore its…

Combinatorics · Mathematics 2009-06-18 Olivier Bernardi

The Tutte polynomial of a connected graph was originally defined by Tutte as a sum over all spanning trees of monomials depending on a fixed linear order on the set of edges. Tuttle proved that while these monomials do depend on the linear…

Combinatorics · Mathematics 2016-04-19 Nikolai V. Ivanov

The Tutte polynomial is a well-studied invariant of matroids. The polymatroid Tutte polynomial $\mathcal{J}_{P}(x,y)$, introduced by Bernardi et al., is an extension of the classical Tutte polynomial from matroids to polymatroids $P$. In…

Combinatorics · Mathematics 2022-07-12 Xiaxia Guan , Weiling Yang , Xian'an Jin

We establish a relation between the Bollobas-Riordan polynomial of a ribbon graph with the relative Tutte polynomial of a plane graph obtained from the ribbon graph using its projection to the plane in a nontrivial way. Also we give a…

Combinatorics · Mathematics 2010-11-02 Clark Butler , Sergei Chmutov

Tutte paths are one of the most successful tools for attacking Hamiltonicity problems in planar graphs. Unfortunately, results based on them are non-constructive, as their proofs inherently use an induction on overlapping subgraphs and…

Data Structures and Algorithms · Computer Science 2017-07-21 Andreas Schmid , Jens M. Schmidt

For each graph, we construct a bigraded chain complex whose graded Euler characteristic is a version of the Tutte polynomial. This work is motivated by earlier work of Khovanov, Helme-Guizon and Rong, and others.

Combinatorics · Mathematics 2009-06-29 Edna F Jasso-Hernandez , Yongwu Rong

Unlike Whitney's definition of the corank-nullity generating function $T(G;x+1,y+1)$, Tutte's definition of his now eponymous polynomial $T(G;x,y)$ requires a total order on the edges of which the polynomial is a posteriori independent.…

Combinatorics · Mathematics 2019-06-11 Spencer Backman

We prove that the ribbon graph polynomial of a graph embedded in an orientable surface is irreducible if and only if the embedded graph is neither the disjoint union nor the join of embedded graphs. This result is analogous to the fact that…

Combinatorics · Mathematics 2022-12-22 Joanna A. Ellis-Monaghan , Andrew J. Goodall , Iain Moffatt , Steven Noble , Lluís Vena

For each graph and each positive integer $n$, we define a chain complex whose graded Euler characteristic is equal to an appropriate $n$-specialization of the dichromatic polynomial. This also gives a categorification of $n$-specializations…

Geometric Topology · Mathematics 2007-05-23 Marko Stosic

The Tutte polynomial is a powerfull analytic tool to study the structure of planar graphs. In this paper, we establish some relations between the number of clusters per bond for planar graph and its dual : these relations bring into play…

Statistical Mechanics · Physics 2007-05-23 Jean-Michel Billiot , Franck Corset , Eric Fontenas

An alternating dimap is an orientably embedded Eulerian directed graph where the edges incident with each vertex are directed inwards and outwards alternately. Three reduction operations for alternating dimaps were investigated by Farr. A…

Combinatorics · Mathematics 2022-04-06 Kai Siong Yow , Graham Farr , Kerri Morgan

We provide a unique decomposition of every 4-connected graph into parts that are either quasi-5-connected, cycles of triangle-torsos and 3-connected torsos on $\leq 5$ vertices, generalised double-wheels, or thickened $K_{4,m}$'s. The…

Combinatorics · Mathematics 2026-02-12 Jan Kurkofka , Tim Planken

We compute an explicit formula for the antipode of the double bialgebra of graphs in terms of totally acyclic partial orientations, using some general results on double bialgebras. In analogy to what was already proven in Hopf-algebraic…

Combinatorics · Mathematics 2024-04-09 Loïc Foissy , Claudia Malvenuto

We show that any graph polynomial from a wide class of graph polynomials yields a recurrence relation on an infinite class of families of graphs. The recurrence relations we obtain have coefficients which themselves satisfy linear…

Combinatorics · Mathematics 2013-09-17 Tomer Kotek , Johann A. Makowsky

We give a general multiplication-convolution identity for the multivariate and bivariate rank generating polynomial of a matroid. The bivariate rank generating polynomial is transformable to and from the Tutte polynomial by simple algebraic…

Combinatorics · Mathematics 2009-09-15 Joseph P. S. Kung

We introduce an arithmetic version of the multivariate Tutte polynomial, and (for representable arithmetic matroids) a quasi-polynomial that interpolates between the two. A generalized Fortuin-Kasteleyn representation with applications to…

Combinatorics · Mathematics 2013-01-17 Petter Brändén , Luca Moci

We give a new characterization of the Tutte polynomial of graphs. Our characterization is formally close (but inequivalent) to the original definition given by Tutte as the generating function of spanning trees counted according to…

Combinatorics · Mathematics 2009-09-29 Olivier Bernardi

This article computes the Tutte polynomial of the hyperplane arrangements associated to the complex reflection groups. The calculations are based on both formulas of De Concini and Procesi for Tutte polynomial and the normaliser of…

Combinatorics · Mathematics 2020-06-22 Hery Randriamaro

We study the computation of the Tutte polynomials of fan-like graphs and obtain expressions of their Tutte polynomials via generating functions. As applications, Tutte polynomials, in particular, the number of spanning trees, of two kinds…

Combinatorics · Mathematics 2021-02-04 Tianlong Ma , Xian'an Jin , Fuji Zhang