Results 31 to 40 of about 275,134 (139)

A Physics‐Informed Koopman Operator Framework for Decentralized Discrete‐Time Sequential Control of a Modular Aerial Parcel Delivery Robot

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This paper presents a Physics‐Informed Koopman Operator (PIKO) framework integrated with a discrete‐time Sequential Action Control (SAC) for real‐time, decentralized control of a modular aerial parcel delivery robot composed of multiple independently actuated propeller modules.
Archit Krishna Kamath   +2 more
wiley   +1 more source

A Method for Weight Multiplicity Computation Based on Berezin Quantization

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2009
Let G be a compact semisimple Lie group and T be a maximal torus of G. We describe a method for weight multiplicity computation in unitary irreducible representations of G, based on the theory of Berezin quantization on G/T.
David Bar-Moshe
doaj   +1 more source

Controlled G-Frames and Their G-Multipliers in Hilbert spaces

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2013
Multipliers have been recently introduced by P. Balazs as operators for Bessel sequences and frames in Hilbert spaces. These are opera- tors that combine (frame-like) analysis, a multiplication with a fixed sequence ( called the symbol) and synthesis ...
Rahimi Asghar, Fereydooni Abolhassan
doaj   +1 more source

An Overview of the Rock Art of AlUla: Tracing Changes in Content and Form Across 12,000 Years of Human History

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Between 2018 and 2021, the Identification and Documentation of Immovable Heritage Assets (IDIHA) Project recorded over 19,000 rock art panels in the AlUla (al‐‘Ulā) region of north‐western Saudi Arabia. This study presents a chronological assessment of the corpus, drawing on superimpositions, datable motifs, inscriptions, and varnish formation,
Maria Guagnin   +3 more
wiley   +1 more source

Adaptive Sparse Dictionary-Based Kernel Minimum Symbol Error Rate Post-Distortion for Nonlinear LEDs in Visible Light Communications

open access: yesIEEE Photonics Journal, 2016
Visible light communications (VLC) has emerged as one of the prominent technologies to cater to the ever-increasing high-speed-data demand for proposed fifth-generation (5G) systems.
R. Mitra, V. Bhatia
doaj   +1 more source

A Double‐Blind Randomised Controlled Crossover Trial of the Effect of Blue‐Enriched Ambient Light on Sleep in Older Adults With Sleep Disturbance: The CleverLights Study

open access: yesJournal of Sleep Research, EarlyView.
ABSTRACT Light interventions have been investigated for treating sleep disturbances in older adults; however, findings are mixed. This proof‐of‐concept trial investigated the effect of blue‐enriched ambient light on electroencephalographic (EEG) sleep in older adults with self‐reported poor sleep.
Teha B. Pun   +14 more
wiley   +1 more source

Phainesthai Formalised? Cogito, ergo ‘res’ sum in Conscious Agent Theory

open access: yesMetaphilosophy, EarlyView.
Abstract The problem of consciousness remains the most intractable question in the philosophy of mind. Scientific approaches to consciousness, in their effort to provide a systematic account, impose determinate structures. This methodological necessity encounters a dilemma: it seeks to define what is never self‐identical. This paper considers Conscious
Killian McGrath
wiley   +1 more source

Some Slater's Type Inequalities for Convex Functions of Selfadjoint Operators in Hilbert Spaces [PDF]

open access: yes, 2008
Some inequalities of the Slater type for convex functions of selfadjoint operators in Hilbert spaces under suitable assumptions for the involved operators are given.
Dragomir, Sever S
core   +4 more sources

Splitting and gluing in sine-dilaton gravity: matter correlators and the wormhole Hilbert space

open access: yesJournal of High Energy Physics
Sine-dilaton gravity has been proposed as the holographic dual of the double scaled SYK (DSSYK) model. In this work, we examine this duality by deriving general matter correlation functions directly from the bulk perspective. A novel technique we develop
Chuanxin Cui, Moshe Rozali
doaj   +1 more source

Why Are All the Sets All the Sets?

open access: yesNoûs, EarlyView.
ABSTRACT Necessitists about set theory think that the pure sets exists, and are the way they are, as a matter of necessity. They cannot explain why the sets (de rebus) are all the sets. This constitutes the Ur‐Objection against necessitism; it is the primary motivation cited by potentialists about set theory.
Tim Button
wiley   +1 more source

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