Results 51 to 60 of about 17,772 (305)

Simplification Method for Contradiction Separation Clause in First-order Logic AutomatedTheorem Prover CSE [PDF]

open access: yesJisuanji kexue
First-order logic automated theorem proving has the capacity to resolve a multitude of practical problems after formalization,and thus holds considerable practical value.As an advancement in automated theorem proving,contradiction separation deduction ...
WU Xin, CHEN Shuwei, JIANG Shipan
doaj   +1 more source

Adaptive Observer for Coupled Wave PDE and Infinite ODE With Sampled Data and Unknown Input: Application to Brain Hemodynamics Estimation

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This article proposes a convergent adaptive observer for a damped wave PDE and an infinite‐dimensional ODE coupled in cascade using sampled‐in‐space ODE state measurements. The proposed observer estimates the distributed states of the PDE and ODE along with unknown PDE parameters and spatial input.
Zehor Belkhatir   +2 more
wiley   +1 more source

Some remarks on a fixed point theorem of Krasnoselskii

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2003
Using a particular locally convex space and Schaefer's theorem, a generalization of Krasnoselskii's fixed point Theorem is proved. This result is further applied to certain nonlinear integral equation proving the existence of a solution on $\mathbb{R}_{+}
C. Avramescu
doaj   +1 more source

Solutions of the Two-Wave Interactions in Quadratic Nonlinear Media

open access: yesMathematics, 2020
In this paper, we propose a reliable treatment for studying the two-wave (symbiotic) solitons of interactions in nonlinear quadratic media. We investigate the Schauder’s fixed point theorem for proving the existence theorem.
Lazhar Bougoffa, Smail Bougouffa
doaj   +1 more source

T-Theorem Proving I

open access: yesJournal of Symbolic Computation, 1995
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
POLICRITI, Alberto, SCHWARTZ J. T.
openaire   +3 more sources

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Probing Near‐Field EM Fluctuations in Superparamagnetic CoFeB With NV Quantum Dephasometry

open access: yesAdvanced Optical Materials, EarlyView.
We non‐invasively investigate the superparamagnetic spin dynamics of a 1.1 nm CoFeB layer by probing its near‐field EM fluctuations using NV centers‐based quantum dephasometry. Our findings are further supported by theoretical modeling and SQUID‐based magnetization characterization. These results provide critical insight into the magnetization dynamics
Shoaib Mahmud   +5 more
wiley   +1 more source

Formal Analysis of Language-Based Android Security Using Theorem Proving Approach

open access: yesIEEE Access, 2019
Mobile devices are an indispensable part of modern-day lives to support portable computations and context-aware communication. Android applications within a mobile device share data to support application operations and better user experience, which also
Wilayat Khan   +4 more
doaj   +1 more source

Non-Obfuscated Unprovable Programs & Many Resultant Subtleties [PDF]

open access: yesLogical Methods in Computer Science, 2016
The \emph{International Obfuscated C Code Contest} was a programming contest for the most creatively obfuscated yet succinct C code. By \emph{contrast}, an interest herein is in programs which are, \emph{in a sense}, \emph{easily} seen to be correct, but
John Case, Michael Ralston
doaj   +1 more source

Proving as Programming with DrHOL: A Preliminary Design [PDF]

open access: yes, 2003
We discuss the design of a new implementation of the HOL system aimed at improved graphical user interface support for formal proof. We call our approach Proving as Programming, since we believe that metalanguage programming is a central aspect of proof ...
Konrad Slind   +3 more
core  

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