Results 101 to 110 of about 605,731 (305)

Is an Apple an Orange? A Large Language Model Benchmark for Candidate Term Extraction and Subclass Decisions Against Upper Ontologies in Engineering and Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Building machine‐readable vocabularies for materials science is slow, expert‐driven work. This study benchmarks 13 large language models on two of its first steps: finding candidate terms in engineering articles and deciding where they belong in a class hierarchy.
Thomas Bjarsch   +3 more
wiley   +1 more source

On an extremal problem in graph theory [PDF]

open access: yesColloquium Mathematicum, 1964
Let \(l\) and \(p\) be integers such that \(l>p\). It is shown that there exists a constant \(\gamma_{p,l}\) such that if \(n>n_0(p,l)\) then every graph with \(n\) vertices and \([\gamma_{p,l}n^{2-1/p}]\) edges contains a subgraph \(H\) with the following property: the vertices of \(H\) may be labbeled \(x_1,...,x_l\) and \(y_1,...,y_l\) so that every
openaire   +2 more sources

On extremal properties of graph entropies

open access: yes, 2020
We study extremal properties of graph entropies based on so-called information functionals. We obtain some extremality results for the resulting graph entropies which rely on the well-known Shannon entropy.
Veronika Kraus, Matthias Dehmer
core  

Workflow for Design of Experiments‐Based Modeling of Species Transport and Growth Kinetics in GaN Hydride Vapor Phase Epitaxy

open access: yesAdvanced Engineering Materials, EarlyView.
A novel workflow for investigating hydride vapor phase epitaxy for GaN bulk crystal growth is proposed. It combines Design of experiments (DoE) with physical simulations of mass transport and crystal growth kinetics, serving as an intermediate step between DoE and experiments.
J. Tomkovič   +7 more
wiley   +1 more source

Extremal Graphs for the Suspension of Edge-Critical Graphs

open access: yesThe Electronic Journal of Combinatorics
The Turán number of a graph $H$, $\text{ex}(n,H)$, is the maximum number of edges in an $n$-vertex graph that does not contain $H$ as a subgraph. For a vertex $v$ and a multi-set $\mathcal{F}$ of graphs, the suspension $\mathcal{F}+v$ of $\mathcal{F}$ is the graph obtained by connecting the vertex $v$ to all vertices of $F$ for each $F\in \mathcal{F}$.
Jianfeng Hou, Heng Li, Qinghou Zeng
openaire   +4 more sources

Extremal graphs of diameter 3 [PDF]

open access: yesJournal of the Australian Mathematical Society, 1979
AbstractThis paper is concerned with graphs of order n and diameter at most 3 having the property that by deleting any s or fewer vertices (edges) the resulting subgraphs (partial graphs) have duameter at most. λ. A graph satisfying the above constraints and having minimum number of edges is said to be extramal. A characterization of extremal graphs is
openaire   +2 more sources

New AI‐Assisted Approach for Expanding the Solution Space: Application to Lattice Structure Design

open access: yesAdvanced Engineering Materials, EarlyView.
This work introduces an innovative framework for designing structured materials by ex panding the design space through reparameterization of qualitative variables into continuous structural descriptors. Combined with machine‐learning‐based prediction and multi‐objective optimization, the approach enables the discovery of novel lattice architectures ...
G. H. Gahimbare   +5 more
wiley   +1 more source

Det-Extremal Cubic Bipartite Graphs

open access: yes, 2003
Let G be a connected k-regular bipartite graph with bipartition $V(G) = X \cap Y$ and adjacency matrix A. We say G is det-extremal if per(A) = |det(A)|. Det-extremal k-regular bipartite graphs exist only for k = 2 or 3.
D. Labbate   +6 more
core   +1 more source

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