Results 231 to 240 of about 73,552 (281)

Fractional order tracking control of a disturbed differential mobile robot. [PDF]

open access: yesPLoS One
Aguilar-Pérez JI   +3 more
europepmc   +1 more source

On Oriented Colourings of Graphs on Surfaces

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT For an oriented graph G $G$, the least number of colours required to oriented colour G $G$ is called the oriented chromatic number of G $G$ and denoted χ o ( G ) ${\chi }_{o}(G)$. For a non‐negative integer g $g$ let χ o ( g ) ${\chi }_{o}(g)$ be the least integer such that χ o ( G ) ≤ χ o ( g ) ${\chi }_{o}(G)\le \unicode{x0200A}{\chi }_{o}(g)
Alexander Clow
wiley   +1 more source

Fractional List Packing for Layered Graphs

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT The fractional list packing number χ ℓ • ( G ) ${\chi }_{\ell }^{\bullet }(G)$ of a graph G $G$ is a graph invariant that has recently arisen from the study of disjoint list‐colourings. It measures how large the lists of a list‐assignment L : V ( G ) → 2 N $L:V(G)\to {2}^{{\mathbb{N}}}$ need to be to ensure the existence of a “perfectly ...
Stijn Cambie, Wouter Cames van Batenburg
wiley   +1 more source

A Coarse Geometric Approach to Graph Layout Problems

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT We define a range of new coarse geometric invariants based on various graph–theoretic measures of complexity for finite graphs, including treewidth, pathwidth, cutwidth and bandwidth. We prove that, for bounded degree graphs, these invariants can be used to define functions which satisfy a strong monotonicity property, namely, they are ...
Wanying Huang   +3 more
wiley   +1 more source

Pregnancy Eating Attitudes-Questionnaire (PEA-Q): Longitudinal measurement invariance from early to late pregnancy in a community sample. [PDF]

open access: yesAppetite
Jouppi RJ   +8 more
europepmc   +1 more source

Unified framework for matchgate classical shadows. [PDF]

open access: yesnpj Quantum Inf
Heyraud V, Chomet H, Tilly J.
europepmc   +1 more source

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