Zobrazeno 1 - 10
of 59
pro vyhledávání: '"HAIZHEN REN"'
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 83, Iss 6, Pp 1-11 (2023)
Abstract The thermodynamics of the Bardeen black hole in asymptotically flat space is investigated with the corrected first law of thermodynamics via Rényi statistics. The nonextensive parameter $$\lambda $$ λ gives the possibility to the thermal s
Externí odkaz:
https://doaj.org/article/bc7831c02c7048938c8f4361dc980cb1
Autor:
Jinyu Zou, Haizhen Ren
Publikováno v:
AIMS Mathematics, Vol 7, Iss 7, Pp 13225-13236 (2022)
Matching preclusion originates from the measurement of interconnection network robustness in the event of edge failure. Conditional matching preclusion belongs to generalized matching preclusion. We obtain the matching preclusion number and condition
Externí odkaz:
https://doaj.org/article/9d8811f3a42d474da61d7325ca366abb
Publikováno v:
Journal of Mathematics, Vol 2022 (2022)
The connectivity is an important measurement for the fault tolerance of a network. Let G=VG,EG be a connected graph with the vertex set VG and edge set EG. An S-tree of graph G is a tree T that contains all the vertices in S subject to S⊆VG. Two S-
Externí odkaz:
https://doaj.org/article/d054ad7c178940019447d01130654811
Autor:
Lei Zhang, Haizhen Ren
Publikováno v:
Discrete Dynamics in Nature and Society, Vol 2022 (2022)
A supertree is a connected and acyclic hypergraph. Denote by Tm,n,α the set of m-uniform supertrees of order n with independent number α. Focusing on the spectral radius in Tm,n,α, this present completely determines the hypergraphs with maximum sp
Externí odkaz:
https://doaj.org/article/378c26b8be4b440292bc6117b53964db
Publikováno v:
Discrete Dynamics in Nature and Society, Vol 2021 (2021)
In this paper, we defined two classes of hypergraphs, hyperbugs and kite hypergraphs. We show that balanced hyperbugs maximize the spectral radii of hypergraphs with fixed number of vertices and diameter and kite hypergraphs minimize the spectral rad
Externí odkaz:
https://doaj.org/article/0183a94c722f4d14a7dcb7dceb1ba8b5
Autor:
LEI ZHANG1,2,3 shuxuezhanglei@163.com, HAIZHEN REN1,2,3 haizhenr@126.com
Publikováno v:
Transactions on Combinatorics. 2024, Vol. 13 Issue 4, p377-385. 9p.
Publikováno v:
Interdisciplinary Journal of Discontinuity, Nonlinearity & Complexity. Dec2021, Vol. 10 Issue 4, p723-731. 9p.
Publikováno v:
Journal of Physics: Conference Series. 2449:012005
Hypergraphs can model many concepts in computer science, engineering, psychology, etc. The spectral theory is an important research topic, which is widely used in combinatorial mathematics, computer science and social science. This paper mainly conce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0f6ab61ff9bcb373225ec2faf0342bd
https://doi.org/10.1088/1742-6596/2449/1/012005
https://doi.org/10.1088/1742-6596/2449/1/012005
Publikováno v:
Journal of Mathematical Chemistry. 59:529-541
A catacondensed benzenoid system (resp. benzenoid chain) is a benzenoid system whose inner dual graph is a tree (resp. a path). The Tutte polynomial of a graph is a two-variable polynomial whose evaluations at various points are equivalent to the exa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::325778a34e8b94ef4ec74ea5571bff24
https://doi.org/10.1007/s10910-020-01205-3
https://doi.org/10.1007/s10910-020-01205-3
Autor:
Haizhen Ren, Lei Zhang
Publikováno v:
Discrete Dynamics in Nature and Society.
A supertree is a connected and acyclic hypergraph. Denote by T m , n , α the set of m -uniform supertrees of order n with independent number α . Focusing on the spectral radius in T m , n , α , this present completely determines the hypergraphs wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc8fe58dc1defc82c9fc882d7a530b5e