Results 101 to 110 of about 5,610 (306)

Extremal solutions for measure differential inclusions via Stieltjes derivatives

open access: yesAdvances in Difference Equations, 2019
Stieltjes derivatives represent a new unification of discrete and continuous calculus consisting in a differentiation process with respect to a given non-decreasing function g.
Giselle A. Monteiro, Bianca Satco
doaj   +1 more source

Artificial Intelligence‐Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

open access: yesAdvanced Materials, EarlyView.
AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll   +19 more
wiley   +1 more source

Stationary-excess operator and convex stochastic orders [PDF]

open access: yes
The present paper aims to point out how the stationary-excess operator and its iterates transform the s-convex stochastic orders and the associated moment spaces.
Stéphane Loisel, Claude Lefèvre
core  

Extremal problems concerning cycles in tournaments [PDF]

open access: yes, 2020
The conjecture of Linial and Morgenstern asserts that, among all tournaments with a given density $d$ of cycles of length three, the density of cycles of length four is minimized by a random blow-up of a transitive tournament with all but one parts of ...
Kral, Daniel
core  

Digraph extremal problems, hypergraph extremal problems, and the densities of graph structures [PDF]

open access: yes, 1984
We consider extremal problems ‘of Turán type’ for r-uniform ordered hypergraphs, where multiple oriented edges are permitted up to multiplicity q. With any such ‘(r, q)-graph’ Gn we associate an r-linear form whose maximum over the standard (n − 1 ...
Simonovits, M, Brown, W.G
core   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Two extremal problems [PDF]

open access: yesPacific Journal of Mathematics, 1960
Rosenblum, Marvin, Widom, Harold
openaire   +2 more sources

On an extremal problem [PDF]

open access: yesMathematica Bohemica, 1995
Let \(S\) be the class of normalized functions \(f(z)=z+a_2 z^2+a_3z^3 + \cdots\) which are holomorphic and univalent on the open unit disk \({\mathbf D} = \{z:|z|< 1\}\). For any real number \(\alpha\) the author considers the problem of maximizing the functional \(|a_3-\alpha a^2_2|+ \alpha|a_2 |^2\) over the class \(S\). For \(\alpha\geq 1\) work of
openaire   +2 more sources

Tough, Ductile, and Strong Hard‐Soft Cementitious Composite Enabled by Multi‐Material Additive Manufacturing

open access: yesAdvanced Materials, EarlyView.
Drawing inspiration from the layered hard‐soft architecture found in sea sponges, this work establishes a new framework for architected cementitious composites (ACC) through multi‐material additive manufacturing (MMAM) process. The integration of mortar and elastomer phases into layered architectures enables synergistic toughening mechanisms, including
Aimane Najmeddine   +5 more
wiley   +1 more source

Extremal problems among subsets of a set [PDF]

open access: yes, 2006
This paper is a survey of open problems and results involving extremal size of collections of subsets of a finite set subject to various restrictions, typically on intersections of ...
Kleitman, Daniel J., Erdös, Paul
core   +1 more source

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