Results 121 to 130 of about 84,906 (335)

Photochromic Organic–Inorganic Material for Focusable Adaptive Lenses Fabrication

open access: yesAdvanced Photonics Research, EarlyView.
This study investigates a zirconia‐based hybrid organic–inorganic material incorporating dithienylethene molecules for adaptive optics. It offers excellent photochromic properties, thermal stability, and adjustable thickness, enabling effective refractive index modulation.
Giorgia Franchin   +6 more
wiley   +1 more source

Study of some new integral inequalities involving four adaptable functions

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science
In this article, we establish new and flexible integral inequalities that have the property of involving four adaptable functions. Some of them generalize existing results in the literature.
Chesneau Christophe
doaj   +1 more source

A note on convexity in Euclidean 𝑛-space [PDF]

open access: bronze, 1958
Herman Rubin, Oscar Wesler
openalex   +1 more source

Tuning Surface Phonon Polaritons in One‐Dimensional Complementary Nanostructures via Curvature and Dielectric

open access: yesAdvanced Photonics Research, EarlyView.
Curvature and dielectric is introduced to tune properties of surface phonon polaritons (SPhPs) in complementary nanostructures: nanowire (NW) and nanohole (NH). It is found that NH complements the frequency band range of SPhP of NW. Frequency‐band subinterval of the SPhP in NHs and NWs can be tuned by dielectric.
Li Zhang   +5 more
wiley   +1 more source

Classification of Convex Ancient Solutions to Free Boundary Curve Shortening Flow in Convex Domains [PDF]

open access: yesarXiv
We classify convex ancient curve shortening flows with free boundary on general bounded convex domains.
arxiv  

On convex-cyclic operators [PDF]

open access: yesarXiv, 2014
We give a Hahn-Banach Characterization for convex-cyclicity. We also obtain an example of a bounded linear operator $S$ on a Banach space with $\sigma_{p}(S^*)=\emptyset$ such that $S$ is convex-cyclic, but $S$ is not weakly hypercyclic and $S^2 $ is not convex-cyclic. This solved two questions of Rezaei in \cite{Rezaei} when $\sigma_p(S^*)=\varnothing$
arxiv  

An Analysis of Elusive Relationships in Floating Zone Growth Using Data Mining Techniques

open access: yesAdvanced Theory and Simulations, EarlyView.
Ultra‐pure silicon single‐crystals can be grown by the Floating Zone (FZ) method. This study investigates intricate relationships between process stability measures and multiple growth parameters by applying data mining techniques on FZ simulations. Regression Trees identified multivariate relationships that help explaining complex interactions between
Lucas Vieira   +3 more
wiley   +1 more source

On Jensen Functional, Convexity and Uniform Convexity [PDF]

open access: yesarXiv
In this paper we improve results related to Normalized Jensen Functional for convex functions and Uniformly Convex Functions.
arxiv  

Book Review: Convexity [PDF]

open access: bronze, 1958
Herbert Busemann
openalex   +1 more source

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