Results 81 to 90 of about 56,011 (266)

On the Chromatic Thresholds of Hypergraphs

open access: yes, 2013
Let F be a family of r-uniform hypergraphs. The chromatic threshold of F is the infimum of all non-negative reals c such that the subfamily of F comprising hypergraphs H with minimum degree at least $c \binom{|V(H)|}{r-1}$ has bounded chromatic number ...
DHRUV MUBAYI   +6 more
core   +1 more source

Chain and threshold hypergraphs

open access: yesAKCE International Journal of Graphs and Combinatorics
Threshold graphs and chain graphs are the graphs with maximum spectral radius among the family of all connected graphs and connected bipartite graphs, respectively.
Shashwath S. Shetty, Arathi Bhat K
doaj   +1 more source

Niche Hypergraphs of Products of Digraphs

open access: yesDiscussiones Mathematicae Graph Theory, 2020
If D = (V, A) is a digraph, its niche hypergraph Nℋ(D) = (V, ℰ) has the edge set ℰ={e⊆V||e|≥2∧∃ υ∈V:e=ND−(υ)∨e=ND+(υ)}{\cal E} = \{ {e \subseteq V| | e | \ge 2 \wedge \exists \, \upsilon \in V:e = N_D^ - ( \upsilon ) \vee e = N_D^ + ( \upsilon ...
Sonntag Martin, Teichert Hanns-Martin
doaj   +1 more source

Disperse hypergraphs

open access: yesCombinatorics, Probability and Computing
Abstract For $\ell \geq 3$ , an $\ell$
Lior Gishboliner, Ethan Honest
openaire   +2 more sources

Lightweight Hybrid Wafer Defect Pattern Network Based on Feedforward Efficient Attention

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT With the increase of semiconductor integration density, in order to cope with the increase of wafer defect complexity and types, especially the low recognition accuracy of overlapping mixed defects and unknown wafer defects, this study proposes a lightweight model for wafer defect detection called LightWMNet.
Zhiqiang Hu, Yiquan Wu
wiley   +1 more source

Social Influence Maximization in Hypergraphs

open access: yesEntropy, 2021
This work deals with a generalization of the minimum Target Set Selection (TSS) problem, a key algorithmic question in information diffusion research due to its potential commercial value.
Alessia Antelmi   +3 more
semanticscholar   +1 more source

Hypergraph coloring complexes

open access: yesDiscrete Mathematics, 2012
The aim of this paper is to generalize the notion of the coloring complex of a graph to hypergraphs. We present three different interpretations of those complexes -- a purely combinatorial one and two geometric ones. It is shown, that most of the properties, which are known to be true for coloring complexes of graphs, break down in this more general ...
Breuer, Felix   +2 more
openaire   +4 more sources

A Universal Meta‐Heuristic Framework for Influence Maximisation in Hypergraphs

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT Influence maximisation (IM) aims to select a small number of nodes that are able to maximise their influence in a network and covers a wide range of applications. Despite numerous attempts to provide effective solutions in simple networks, higher‐order interactions between entities in various real‐world systems are usually not taken into ...
Ming Xie   +5 more
wiley   +1 more source

Saliency Detection Method Using Hypergraphs on Adaptive Multiscales

open access: yesIEEE Access, 2018
Saliency detection plays an important role in the fields of image processing and computer vision. We present an improved saliency detection method by means of hypergraphs on adaptive multi-scales (HAM).
Feilin Han, Aili Han, Jing Hao
doaj   +1 more source

Hypergraph partitioning using tensor eigenvalue decomposition.

open access: yesPLoS ONE, 2023
Hypergraphs have gained increasing attention in the machine learning community lately due to their superiority over graphs in capturing super-dyadic interactions among entities.
Deepak Maurya, Balaraman Ravindran
doaj   +1 more source

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