Results 241 to 250 of about 2,227,858 (357)

A Dichotomy Theorem for Γ ${\rm{\Gamma }}$‐Switchable H $H$‐Colouring on m $m$‐Edge‐Coloured Graphs

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT Let G $G$ be a graph in which each edge is assigned one of the colours 1,2,
,m $1,2,\ldots ,m$, and let Γ ${\rm{\Gamma }}$ be a subgroup of Sm ${S}_{m}$. The operation of switching at a vertex x $x$ of G $G$ with respect to an element π $\pi $ of Γ ${\rm{\Gamma }}$ permutes the colours of the edges incident with x $x$ according to π $\pi $. We
Richard Brewster   +2 more
wiley   +1 more source

Current Landscape of Short‐T2 Imaging Techniques in the Musculoskeletal System: The Past, Present and Future

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Conventional MRI is limited in imaging tissues with short T2 relaxation times, such as bone, ligaments, and cartilage, due to their rapid signal decay. This limitation has spurred the development of specialized MRI techniques designed specifically for short‐T2 tissue imaging.
Pranjal Rai   +3 more
wiley   +1 more source

Cognition–Eye–Brain Connection in Alzheimer's Disease Spectrum Revealed by Multimodal Imaging

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background The connection between cognition, eye, and brain remains inconclusive in Alzheimer's disease (AD) spectrum disorders. Purpose To explore the relationship between cognitive function, retinal biometrics, and brain alterations in the AD spectrum. Study Type Prospective.
Yan Shi   +12 more
wiley   +1 more source

Characterizing barren plateaus in quantum ansÀtze with the adjoint representation. [PDF]

open access: yesNat Commun
Fontana E   +7 more
europepmc   +1 more source

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