Results 171 to 180 of about 81,140 (282)

Conformal Hypergraphs: Duality and Implications for the Upper Clique Transversal Problem

open access: yesJournal of Graph Theory, Volume 109, Issue 4, Page 466-480, August 2025.
ABSTRACT Given a hypergraph ℋ, the dual hypergraph of ℋ is the hypergraph of all minimal transversals of ℋ. The dual hypergraph is always Sperner, that is, no hyperedge contains another. A special case of Sperner hypergraphs are the conformal Sperner hypergraphs, which correspond to the families of maximal cliques of graphs.
Endre Boros   +3 more
wiley   +1 more source

Algebraic Vortex Liquid in Spin-1/2Triangular Antiferromagnets: Scenario forCs2CuCl4 [PDF]

open access: green, 2005
Jason Alicea   +2 more
openalex   +1 more source

Numerical Modelling of Frictional Sliding Induced Damage and Heating Effects on Rock With an Application to Sievers’ J‐Miniature Drilling on Granite

open access: yesInternational Journal for Numerical and Analytical Methods in Geomechanics, Volume 49, Issue 11, Page 2634-2654, 10 August 2025.
ABSTRACT The present study develops a finite element‐based numerical method for simulation of frictional rotational sliding induced damage and heating effects on rock. The method is applied to the Sievers’ J‐ miniature drill test, which is widely used for estimating the rock drillability and predicting the cutter life.
Timo Saksala   +8 more
wiley   +1 more source

Circumventing glioblastoma resistance to temozolomide through optimal drug combinations designed by systems pharmacology and machine learning

open access: yesBritish Journal of Pharmacology, Volume 182, Issue 16, Page 3726-3743, August 2025.
Background and Purpose Glioblastoma (GBM), the most frequent and aggressive brain tumour in adults, is associated with a dismal prognostic despite intensive treatment involving surgery, radiotherapy and temozolomide (TMZ)‐based chemotherapy. The initial or acquired resistance of GBM to TMZ appeals for precision medicine approaches to the design of ...
Sergio Corridore   +6 more
wiley   +1 more source

Jordan isomorphisms of triangular matrix algebras over a connected commutative ring

open access: bronze, 2000
К. И. Бейдар   +2 more
openalex   +1 more source

High School Students' Perspectives on Their Online Learning Experiences: A Systematic Literature Review

open access: yesJournal of Computer Assisted Learning, Volume 41, Issue 4, August 2025.
ABSTRACT Background Online learning has become a popular form of education. Prior to the Covid‐19 pandemic, online learning was mainly associated with higher education, with an incremental growth at the K‐12 level. The pandemic changed this situation rapidly.
Jia Li, Novera Roihan, Matthew McGravey
wiley   +1 more source

Does Less Education Harm Health? Evidence From a Natural Experiment in a Developing Country

open access: yesOxford Bulletin of Economics and Statistics, Volume 87, Issue 4, Page 751-770, August 2025.
ABSTRACT We investigate the health outcome effects of a reduction in years of schooling in Egypt in 1988, a policy change that moves in the opposite direction in relation to the extant literature. We exploit this policy change as a natural experiment and employ a fuzzy regression discontinuity design to investigate a range of objectively measured ...
Islam Khalil   +2 more
wiley   +1 more source

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