Results 71 to 80 of about 2,393,674 (352)

In Situ Study of Resistive Switching in a Nitride‐Based Memristive Device

open access: yesAdvanced Functional Materials, EarlyView.
In situ TEM biasing experiment demonstrates the volatile I‐V characteristic of MIM lamella device. In situ STEM‐EELS Ti L2/L3 ratio maps provide direct evidence of the oxygen vacancies migrations under positive/negative electrical bias, which is critical for revealing the RS mechanism for the MIM lamella device.
Di Zhang   +19 more
wiley   +1 more source

Representation of the program model using predicates

open access: yesРадіоелектронні і комп'ютерні системи
The object of research in this article is the process of modeling programs and their subsequent development. The purpose of this article is to develop a methodology for describing and building software models in the form of nondeterministic finite ...
Serhii Holub   +2 more
doaj   +1 more source

Q-Learning for robust satisfaction of signal temporal logic specifications [PDF]

open access: yesIEEE Conference on Decision and Control, 2016
This paper addresses the problem of learning optimal policies for satisfying signal temporal logic (STL) specifications by agents with unknown stochastic dynamics.
Derya Aksaray   +4 more
semanticscholar   +1 more source

High‐Entropy Perovskite Nanofibers for Bifunctional Air Electrodes in Reversible Protonic Ceramic Electrochemical Cells

open access: yesAdvanced Functional Materials, EarlyView.
High‐entropy perovskite nanofibers serve as robust and active bifunctional air electrodes in reversible protonic ceramic electrochemical cells. Their compositional complexity stabilizes the lattice, enriches oxygen vacancies, and accelerates surface exchange.
Hyeonggeun Kim   +4 more
wiley   +1 more source

Joint Control of Radiated and Surface Waves via Space‐Time Coding Metasurfaces

open access: yesAdvanced Functional Materials, EarlyView.
A unified space‐time coding metasurface platform enables simultaneous control of radiated and surface‐confined waves across multiple harmonics. Demonstrated functionalities include multi‐frequency beam shaping; surface‐wave excitation, and hybrid multiplexing.
Zihao Dai   +6 more
wiley   +1 more source

An Approach of XML Query Evaluation Based Model Checking

open access: yesCybernetics and Information Technologies, 2016
In this paper, we show the process inspired by model checking which integrate temporal logic to the application of semi-structured data query. We investigate the potential ofatechnique based on CTL (Computation Tree Logic) model checking for evaluating ...
Yan-Mei Li, Shao-Bin Huang, Ya Li, Li Xu
doaj   +1 more source

Spectrally Tunable 2D Material‐Based Infrared Photodetectors for Intelligent Optoelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Intelligent optoelectronics through spectral engineering of 2D material‐based infrared photodetectors. Abstract The evolution of intelligent optoelectronic systems is driven by artificial intelligence (AI). However, their practical realization hinges on the ability to dynamically capture and process optical signals across a broad infrared (IR) spectrum.
Junheon Ha   +18 more
wiley   +1 more source

Restrictions for loop-check in sequent calculus for temporal logic

open access: yesLietuvos Matematikos Rinkinys, 2008
In this paper, we present sequent calculus for linear temporal logic. This sequent calculus uses efficient loop-check techinque. We prove that we can use not all but only several special sequents from the derivation tree for the loop-check.
Adomas Birštunas
doaj   +1 more source

A decidable weakening of Compass Logic based on cone-shaped cardinal directions [PDF]

open access: yesLogical Methods in Computer Science, 2015
We introduce a modal logic, called Cone Logic, whose formulas describe properties of points in the plane and spatial relationships between them. Points are labelled by proposition letters and spatial relations are induced by the four cone-shaped cardinal
Angelo Montanari   +2 more
doaj   +1 more source

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