Results 71 to 80 of about 98,500 (263)

A note on nonremovable cusp singularities

open access: yesHiroshima Mathematical Journal, 2001
Let \(f:M^4\to N^3\) be a smooth map. The author proves that if \(N^3\) is an orientable 3-manifold and \(M^4\) is a closed orientable 4-manifold such that \(\text{rank}_\mathbb{Z} H_2(M^4, \mathbb{Z}_2)=1\), then there does not exist a smooth map \(f:M^4\to N^3\) with only fold singularities. As a consequence he proves that every stable map \(f:M^4\to
openaire   +3 more sources

Families of rational surfaces preserving a cusp singularity [PDF]

open access: yesTransactions of the American Mathematical Society, 1990
Families of rational surfaces containing resolutions of cusp singularities are explicitly constructed. It is proved that the families constructed are universal deformations at each point. Two different monodromy formulas are established; one of these is shown to be connected to automorphisms of Inoue-Hirzebruch surfaces. Some evidence (but no proof) is
openaire   +2 more sources

hpcng/singularity: Singularity 3.6.1

open access: yes, 2020
Singularity 3.6.1 is a patch release fixing some bugs raised soon after the 3.6.0 release. In particular, an issue where supplying an empty string "" as the destination to singularity build could result in the removal of the current directory has been ...
David Godlove   +29 more
core   +1 more source

New AI‐Assisted Approach for Expanding the Solution Space: Application to Lattice Structure Design

open access: yesAdvanced Engineering Materials, EarlyView.
This work introduces an innovative framework for designing structured materials by ex panding the design space through reparameterization of qualitative variables into continuous structural descriptors. Combined with machine‐learning‐based prediction and multi‐objective optimization, the approach enables the discovery of novel lattice architectures ...
G. H. Gahimbare   +5 more
wiley   +1 more source

DigiChrom: A Domain Ontology for Semantic Representation of Trivalent Chromium Platings and Its Large Language Model‐Based Alignment With Multiple Mid‐Level Ontologies

open access: yesAdvanced Engineering Materials, EarlyView.
Digitalizing electroplating requires both domain knowledge and interoperability. This work introduces PlatOn, a domain ontology for trivalent chromium plating and coating characterization, and a hybrid pipeline that aligns it to a mid‐level reference ontology by combining eight similarity metrics with language model reasoning. Expert‐validated mappings
Janik Harter   +10 more
wiley   +1 more source

From Food to Power: Hydrogel Thermoelectrics for Ingestible Electronics

open access: yesAdvanced Functional Materials, EarlyView.
We introduce a fully edible thermoelectric–electrochromic platform that harvests heat from food and converts it into a visible color change. N‐type and p‐type hydrogel thermoelectric generators connected in series power anthocyanin‐based electrochromic displays, demonstrating the feasibility of safe, biodegradable, ingestible systems for on‐food ...
Antonia Georgopoulou   +3 more
wiley   +1 more source

Singularity Analysis of Lightlike Hypersurfaces Generated by Null Cartan Curves in Minkowski Spacetime

open access: yesAxioms
This study investigates the singularity structures of lightlike hypersurfaces generated by null Cartan curves in Minkowski spacetime. We construct a hierarchical geometric framework consisting of a lightlike hypersurface LHβ, a critical lightlike surface
Xiaoming Fan, Yongsheng Zhu, Haijing Pan
doaj   +1 more source

Equivariant smoothing of cusp singularities

open access: yes, 2023
We generalize Looijenga's conjecture for smoothing surface cusp singularities to the equivariant setting. Moreover, we prove that for any cusp singularity which admits a one-parameter smoothing, the smoothing can always be induced by smoothing of locally complete intersection cusps. The result provides evidence for the existence of the moduli stack of $
openaire   +2 more sources

Fitting the Cusp Catastrophe in R: A cusp Package Primer [PDF]

open access: yes
Of the seven elementary catastrophes in catastrophe theory, the âÂÂcuspâ model is the most widely applied. Most applications are however qualitative.
Raoul Grasman   +2 more
core  

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

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