Results 31 to 40 of about 7,286 (261)

Projective Curvature Tensor of Riemannian Manifolds Admitting A Projective Semi-Symmetric Connection

open access: yesUniversal Journal of Mathematics and Applications, 2020
The aim of the present paper is to study the properties of Riemannian manifolds equipped with a projective semi-symmetric connection.
S. K. Chaubey   +2 more
doaj   +1 more source

On Einstein warped products with a semi-symmetric connection

open access: yesNovi Sad Journal of Mathematics, 2015
Summary: The aim of this paper is to compute the warping functions for a Ricci flat Einstein multiply warped product $M$ having a semi-symmetric connection in the following cases: 1) \(\dim M=2\), 2) \(\dim M=3\), 3) \(\dim M\geq 4\) and all the fibres are Ricci flat.
openaire   +1 more source

Is an Apple an Orange? A Large Language Model Benchmark for Candidate Term Extraction and Subclass Decisions Against Upper Ontologies in Engineering and Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Building machine‐readable vocabularies for materials science is slow, expert‐driven work. This study benchmarks 13 large language models on two of its first steps: finding candidate terms in engineering articles and deciding where they belong in a class hierarchy.
Thomas Bjarsch   +3 more
wiley   +1 more source

Solitons Equipped with a Semi-Symmetric Metric Connection with Some Applications on Number Theory

open access: yesMathematics, 2023
A solution to an evolution equation that evolves along symmetries of the equation is called a self-similar solution or soliton. In this manuscript, we present a study of η-Ricci solitons (η-RS) for an interesting manifold called the (ε)-Kenmotsu manifold
Ali H. Hakami   +3 more
doaj   +1 more source

OntOMat: Toward Ontology‐Based Product and Process Design Engineering and Optimization Solutions Fueling Circular Value Chains

open access: yesAdvanced Engineering Materials, EarlyView.
The OntOMat ontology establishes a structured framework for polymer matrix fiber reinforced composite materials, integrating manufacturing processes, characterization methods, and multiscale design through the VDI/VDE 3682 formalized process description standard.
Nicolas Christ   +19 more
wiley   +1 more source

DDVV Inequality on Submanifolds Coupled with a Slant Factor in Quaternionic Kaehler Manifolds

open access: yesAxioms
This work aims to provide generalized Wintgen inequalities for slant submanifolds embedded in quaternionic space forms, taking into consideration both semi-symmetric metric and semi-symmetric non-metric connections.
Rawan Bossly   +4 more
doaj   +1 more source

Rotary 3D Printing With Integrated Electroplating

open access: yesAdvanced Engineering Materials, EarlyView.
A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria   +5 more
wiley   +1 more source

Index of Quasiconformally Symmetric Semi-Riemannian Manifolds

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2012
We find the index of ∇˜-quasiconformally symmetric and ∇˜-concircularly symmetric semi-Riemannian manifolds, where ∇˜ is metric connection.
Mukut Mani Tripathi   +2 more
doaj   +1 more source

Characterizations of a Lorentzian manifold with a semi-symmetric metric connection

open access: yesPublicationes Mathematicae Debrecen
In this article, we characterize a Lorentzian manifold $\mathcal{M}$ with a semi-symmetric metric connection. At first, we consider a semi-symmetric metric connection whose curvature tensor vanishes and establish that if the associated vector field is a unit time-like torse-forming vector field, then $\mathcal{M}$ becomes a perfect fluid spacetime ...
Chand De, Uday   +3 more
openaire   +3 more sources

A Multi‐Scale Machine Learning Framework for the Inverse Design of High Entropy Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
High‐entropy alloys offer vast potential for various applications, including electrocatalysis; however, their compositional complexity challenges conventional screening. We introduce an inverse‐design framework combining two neural networks to determine optimal compositions and reconstruct nanoparticle geometry from targeted properties and conventional
Mikael Takoutsin   +14 more
wiley   +1 more source

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