Results 131 to 140 of about 587,547 (217)

Beyond Directions: Symmetry‐Aware Rotation Sets for Triaxial Diffusion Encoding by Geometric Filter Optimization

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 5, Page 2489-2504, November 2026.
ABSTRACT Purpose To improve the accuracy of diffusion‐weighted powder average signals for diffusion encoding with arbitrary b‐tensors. Methods We identify an intrinsic dihedral (D2) symmetry of diffusion signals for arbitrary diffusion encoding, which defines their natural signal space (a quotient of 3D rotations). Based on this, we propose a method to
Sune Nørhøj Jespersen   +1 more
wiley   +1 more source

ManyBabies 3: A Multi‐Lab Study of Infant Algebraic Rule Learning

open access: yesDevelopmental Science, Volume 29, Issue 6, November 2026.
ABSTRACT The ability to learn and apply rules lies at the heart of cognition. In a seminal study, Marcus et al. (1999) reported that 7‐month‐old infants learned abstract rules over syllable sequences and were able to generalize those rules to novel syllable sequences.
Ingmar Visser   +83 more
wiley   +1 more source

Two Self‐Stabilizing Algorithms for the Maximal Pentagon Partitioning Problem

open access: yesConcurrency and Computation: Practice and Experience, Volume 38, Issue 19, October 2026.
ABSTRACT Given an undirected graph G=(V,E)$$ G=\left(V,E\right) $$, a collection of disjoint subsets of nodes π={V1,…,Vk}(V=V1∪⋯∪Vk)$$ \pi =\left\{{V}_1,\dots, {V}_k\right\}\kern0.3em \left(V={V}_1\cup \cdots \cup {V}_k\right) $$ is called a pentagon partition if each subset Vi(1≤i≤k)$$ {V}_i\kern0.3em \left(1\le i\le k\right) $$ satisfies one of the ...
Tota Yamada   +2 more
wiley   +1 more source

Treewidth of chordal bipartite graphs

open access: yes, 1992
Chordal bipartite graph are exactly those bipartite graph in which every cycle of length at least six has a chord. The treewidth of a graph G is the smallest maximum cliquesize among all chordal supergraphs of G decreased by one.

core  

Predicting Relevant Microglia‐Associated Cell–Cell Communication Pathways in Alzheimer's Disease: A Role for SPP1

open access: yesGlia, Volume 74, Issue 10, October 2026.
We used CellChat to infer altered cell–cell communication in Alzheimer's disease Microglia signal to each other via SPP1 in Alzheimer's disease. SPP1‐expressing microglia are present around amyloid‐β plaques. ABSTRACT Microglia play a key role in the pathophysiology of Alzheimer's Disease (AD) and their increased heterogeneity likely affects disease ...
Janssen M. Kotah   +7 more
wiley   +1 more source

Trophoblast Extracellular Vesicles Rewire Immunity: A Symptom‐Relief Avenue for Recessive Dystrophic Epidermolysis Bullosa

open access: yesJournal of Extracellular Vesicles, Volume 15, Issue 10, October 2026.
First‐trimester trophoblast EVs are enriched in anti‐inflammatory proteins, lipids, and immunoregulatory miRNAs. EVT‐EVs reprogram monocytes toward a pro‐resolving phenotype and restore immune homeostasis in RDEB, supporting their potential as offering a scalable off‐the‐shelf therapy for chronic inflammatory diseases.
Nell Hirt   +8 more
wiley   +1 more source

Lower Bounds for Maximum Weight Bisections of Weighted Triangle‐Free Subcubic Graphs

open access: yesJournal of Graph Theory, Volume 113, Issue 2, Page 252-273, October 2026.
ABSTRACT A bisection of a graph is a cut in which the number of vertices in the two parts of the cut differ by at most 1. In this paper, we consider maximum weight bisections of edge‐weighted triangle‐free subcubic graphs and show that every weighted triangle‐free subcubic graph G = ( V , E , w ) Stefanie Gerke   +3 more
wiley   +1 more source

Comparing trees characteristic to chordal and dually chordal graphs [PDF]

open access: yes
Chordal and dually chordal graphs possess characteristic tree representations, namely, clique trees and compatible trees, respectively. The following problem is studied: given a chordal graph G, it has to be determined if the clique trees of G are ...
De Caria, Pablo Jesús   +1 more
core  

Single‐Cell Mapping Identifies Aging‐Associated Neutrophil Remodeling Across Multiple Organs

open access: yesAging Cell, Volume 25, Issue 10, October 2026.
Single‐cell transcriptomic profiling across multiple organs identifies aging reshapes neutrophil differentiation from the bone marrow to peripheral tissues. Computation analysis identifies an age‐enriched Neu06‐IL6 neutrophil state and predicts IL‐6 as one of a candidate regulator for neutrophil remodeling.
Yuman Wang   +9 more
wiley   +1 more source

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