全部 |
  • 全部
  • 题名
  • 作者
  • 机构
  • 关键词
  • NSTL主题词
  • 摘要
检索 二次检索 AI检索
外文文献 中文文献
筛选条件:

1. A direct proof of well-definedness for the polymatroid Tutte polynomial NSTL国家科技图书文献中心

Guan, Xiaxia |  Jin, Xian'an -  《Advances in Applied Mathematics》 - 2025,163(Pt.B) - 共18页

摘要:. (2022) [1] introduced the polymatroid Tutte polynomial | ], which generalizes the classical Tutte polynomial from | -definedness of the Tutte polynomial defined by the summation |  another polynomial that only depends on P. In this paper |  proof of the well-definedness of the polymatroid Tutte
关键词: Tutte polynomial |  Polymatroid |  Well-definedness

2. A note on the lacking polynomial of the complete bipartite graph NSTL国家科技图书文献中心

Alofi, Amal |  Dukes, Mark -  《Discrete mathematics》 - 2025,348(2) - 共8页

摘要: closely related to the Tutte polynomial of a graph. It | The lacking polynomial is a graph polynomial |  polynomial of the complete bipartite graph. We classify the |  introduced by Chan, Marckert, and Selig in 2013 that is |  arose by way of a generalization of the Abelian
关键词: Graph polynomial |  Sandpile model |  Classification problem |  Lacking polynomial |  Complete bipartite graph |  Log-concavity

3. Finitary Affine Oriented Matroids NSTL国家科技图书文献中心

Delucchi, Emanuele |  Knauer, Kolja -  《Discrete & computational geometry》 - 2025,73(1) - 208~257 - 共50页

摘要: include applications of the multiplicity Tutte |  polynomial of group actions of semimatroids, generalizing | We initiate the axiomatic study of affine |  oriented matroids (AOMs) on arbitrary ground sets | , obtaining fundamental notions such as minors
关键词: Affine oriented matroids |  Semimatroids |  Finitary and toric arrangements

4. On the polymatroid Tutte polynomial NSTL国家科技图书文献中心

Guan, Xiaxia |  Yang, Weiling... -  《Journal of Combinatorial Theory, Series A》 - 2024,201 - ARTN 105798~ - 共14页

摘要:The Tutte polynomial is a well-studied |  invariant of matroids. The polymatroid Tutte polynomial TP |  Postnikov, is an extension of the classical Tutte |  polynomial from matroids to polymatroids P. In this paper |  (x, y), introduced by Bernardi, Kalman, and
关键词: Interpolating behavior |  Tutte polynomial |  Polymatroid |  High-order term |  ROOT POLYTOPES |  INVARIANT |  KNOTS

5. On the Compatible Sets Expansion of the Tutte Polynomial NSTL国家科技图书文献中心

Pierson, Laura -  《Annals of combinatorics》 - 2024,28(1) - 33~42 - 共10页

摘要: the Tutte polynomial of a matroid using the notion |  formula to Las Vergnas's trivariate Tutte polynomials of | Kochol [6] gave a new expansion formula for |  of compatible sets, and asked how this expansion |  relates to the internal-external activities formula
关键词: Tutte polynomial |  Matroid perspective |  Morphism of matroids |  Internal-external activities |  MORPHISM

6. Deletion-contraction and the surface Tutte polynomial NSTL国家科技图书文献中心

Moffatt, Iain |  Thompson, Maya -  《European journal of combinatorics》 - 2024,118 - ARTN 103933~ - 共20页

摘要: coming from the surface Tutte polynomial, a polynomial |  definition of the surface Tutte polynomial and recursion |  topological Tutte polynomials. The first family is that | . The second family arises from the canonical Tutte | In this paper we unify two families of
关键词: GRAPHS |  INVARIANTS

7. Convolution formulas for multivariate arithmetic Tutte polynomials NSTL国家科技图书文献中心

Ma T. |  Jin X.... -  《Advances in Applied Mathematics》 - 2024,157 - 共5页

摘要: arithmetic Tutte polynomial of arithmetic matroids is a |  generalization of the multivariate Tutte polynomial of matroids |  the multivariate arithmetic Tutte polynomial of the |  convolution formulas for the multivariate arithmetic Tutte |  polynomial of an arithmetic matroid are obtained. Applying
关键词: Arithmetic matroid |  Convolution formula |  Matroid |  Multivariate Tutte polynomial

8. The Merino-Welsh conjecture is false for matroids NSTL国家科技图书文献中心

Beke, Csongor |  Csaji, Gergely Kal... -  《Advances in Mathematics》 - 2024,446 - ARTN 109674~ - 共10页

摘要: conjecture states that the Tutte polynomial T (M) ( x, y | The matroidal version of the Merino-Welsh |  ) of any matroid M without loops and coloops |  satisfies that max( T (M) (2, 0), T (M) (0, 2)) ,,>=. T- M |  (1, 1). Equivalently, if the Merino-Welsh
关键词: Tutte polynomial |  Merino-Welsh conjecture |  SPANNING-TREES |  TUTTE |  ORIENTATIONS |  INEQUALITY

9. Approximating the chromatic polynomial is as hard as computing it exactly NSTL国家科技图书文献中心

Ferenc Bencs |  Jeroen Huijben... -  《Computational complexity》 - 2024,33(1) - 1.1~1.47 - 共47页

摘要: chromatic polynomial evaluated at q on planar graphs. This |  that a polynomial time algorithm for approximately |  computing the chromatic polynomial of a planar graph at | ) leads to a polynomial time algorithm for exactly | , a well-known reparametrization of the Tutte
关键词: #P-hardness |  approximate counting |  chromatic polynomial |  planar graphs |  Tutte polynomial

10. Tutte polynomials for some chemical polycyclic graphs NSTL国家科技图书文献中心

Chen, Hanlin -  《Journal of mathematical chemistry》 - 2024,62(10) - 2625~2650 - 共26页

摘要:The Tutte polynomial is a classical polynomial |  focus on the Tutte polynomials for typical silicate |  graph invariant that provides important information |  about the structure of a graph. In this study, we |  molecular networks and benzenoid systems, and derive exact
关键词: Tutte polynomial |  Benzenoid system |  Silicate network |  Spanning tree
检索条件Tutte polynomial
  • 检索词扩展

NSTL主题词

  • NSTL学科导航