Results 151 to 160 of about 3,634,484 (348)

Orthogonal Dirichlet polynomials with constant weight

open access: yesApplicable Analysis and Discrete Mathematics, 2019
Let {?j}? j=1 be a sequence of distinct positive numbers. We analyze the orthogonal Dirichlet polynomials {?n,T} formed from linear combinations of {?-it,j}n j=1 , associated with constant (or Legendre) weight on [-T, T]. Thus 1/2T ? T,-T ?n,T (t) ?m,T(t)dt = ?mn. Moreover, we analyze how these polynomials behave as T varies.
openaire   +2 more sources

Non‐Hermitian Topological Lattice Photonics: An Analytic Perspective

open access: yesAdvanced Photonics Research, EarlyView.
This review establishes exact analytical solutions for non‐Hermitian Hatano–Nelson, Su–Schrieffer–Heeger, and generalized Rice–Mele models. We demonstrate non‐Hermitian skin effects via point‐gap topology, hybrid skin‐topological edge states in 2D lattices, and spin‐polarized boundary modes governed by dual bulk‐boundary correspondence.
Shihua Chen   +6 more
wiley   +1 more source

Advances in Mode (De)Multiplexing Technologies via Circularly Symmetric Structured Light Beams

open access: yesAdvanced Photonics Research, EarlyView.
This review presents a comprehensive overview of mode (de)multiplexing technologies using circularly symmetric structured light beams, encompassing strategies of beam splitter combinations, multiorder diffractive gratings, optical coordinate transformations, angular dispersion lenses, multilayer cascaded modulations, and multidimensional hybrid (de ...
Qingji Zeng   +7 more
wiley   +1 more source

In‐Hand Singulation, Scooping, and Cable Untangling with a 5‐Dof Tactile‐Reactive Gripper

open access: yesAdvanced Robotics Research, EarlyView.
This article presents a two‐fingered gripper with five degrees of freedom and a vision‐based tactile sensor for dexterous in‐hand manipulation. It performs complex tasks such as object singulation within granular media, scooping and precise card insertion, and cable untangling.
Yuhao Zhou   +3 more
wiley   +1 more source

Compact Multichannel Plasmonic Device for Rapid and Versatile Inflammatory Biomarker Analysis

open access: yesAdvanced Sensor Research, EarlyView.
A multichannel plasmonic biosensor has been developed for the simultaneous detection of up to four inflammatory biomarkers relevant to sepsis diagnostics. Its performance has been optimized, and analytical validation has been conducted for the detection in diluted serum, highlighting its potential for clinical applications.
Juliana Fátima Giarola   +3 more
wiley   +1 more source

NP-hardness of testing equivalence to sparse polynomials and to constant-support polynomials

open access: yes
An $s$-sparse polynomial has at most $s$ monomials with nonzero coefficients. The Equivalence Testing problem for sparse polynomials (ETsparse) asks to decide if a given polynomial $f$ is equivalent to (i.e., in the orbit of) some $s$-sparse polynomial.
Baraskar, Omkar   +3 more
openaire   +4 more sources

Factors Driving Battery and Solar Purchase Decision of Residents: a Behavioural Choice Experiment Using a Hybrid Discrete Choice and Latent Variable Model

open access: yesAdvanced Sustainable Systems, EarlyView.
This article explores what drives households to adopt solar PV and battery systems in South East Queensland. Using hybrid discrete choice experiments, it reveals distinct adopter profiles and highlights cost, system size, and energy independence as key motivators.
Mohammad Alipour   +3 more
wiley   +1 more source

The constants of the Volterra derivation

open access: yesOpen Mathematics, 2012
Hegedűs Pál
doaj   +1 more source

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