Results 231 to 240 of about 791,112 (289)

Two‐Block Paths in Oriented Graphs of Large Semidegree

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT We study the existence of oriented paths with two blocks in oriented graphs under semidegree conditions. A block of an oriented path is a maximal directed subpath. Given positive integers k $k$ and ℓ $\ell $ with k / 2 ≤ ℓ < k $k/2\le \ell \lt k$, we establish a semidegree function that guarantees the containment of every oriented path with ...
Irena Penev   +4 more
wiley   +1 more source

On Graphs Which Have Locally Complete 2‐Edge‐colourings and Their Relationship to Proper Circular‐Arc Graphs

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT A 2‐edge‐coloured graph G $G$ is called locally complete if for each vertex v $v$, the vertices adjacent to v $v$ through edges of the same colour induce a complete subgraph in G $G$. Locally complete 2‐edge‐coloured graphs have nice properties, and there exists a polynomial algorithm to decide whether such a graph has an alternating ...
Jørgen Bang‐Jensen, Jing Huang
wiley   +1 more source

Cyclicity of Binary Group Codes. [PDF]

open access: yesEntropy (Basel)
García García B   +2 more
europepmc   +1 more source

From structural design to model compression: Research progress on lightweight algorithms for motor imagery brain–computer interfaces

open access: yesJournal of Intelligent Medicine, EarlyView.
Lightweight Motor Imagery BCI Decoding: From Structural Design to Model Compression. This graphical abstract summarizes the motivation, principal strategies, and deployment benefits of lightweight motor imagery brain–computer interface decoding. Structural‐level lightweight designs, including depthwise separable, multi‐branch, and dilated convolutions,
Yijie Zhou   +5 more
wiley   +1 more source

Pre‐Scan Breathing Pattern and Image Quality in Respiratory‐Triggered T2‐Weighted Liver MRI: Radial Versus Cartesian Fast Spin Echo

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Respiratory‐triggered T2‐weighted imaging (T2WI) may use rectilinear sampling (respiratory‐triggered fast recovery fast spin echo [RT‐FRFSE]) or radial sampling (periodically rotated overlapping parallel lines with enhanced reconstruction [PROPELLER]). Their relative performance across breathing patterns is unclear.
Ho Sung Park   +6 more
wiley   +1 more source

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