Results 81 to 90 of about 3,158,775 (365)

Automatic Deduction in Dynamic Geometry using Sage [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2012
We present a symbolic tool that provides robust algebraic methods to handle automatic deduction tasks for a dynamic geometry construction. The main prototype has been developed as two different worksheets for the open source computer algebra system Sage,
Francisco Botana, Miguel A. Abánades
doaj   +1 more source

Cohen-Macaulay Representations

open access: yes, 2012
This book is a comprehensive treatment of the representation theory of maximal Cohen-Macaulay (MCM) modules over local rings. This topic is at the intersection of commutative algebra, singularity theory, and representations of groups and algebras.
Graham J. Leuschke, R. Wiegand
semanticscholar   +1 more source

Isoclinism in multiplicative Lie algebras

open access: yes, 2023
The purpose of this paper is to introduce the notion of isoclinism and cover in a multiplicative Lie algebra which may be helpful to describe all multiplicative Lie algebra structures on a group.
Pandey, Mani Shankar   +1 more
core  

Edge of Chaos Theory Unveils the First and Simplest Ever Reported Hodgkin–Huxley Neuristor

open access: yesAdvanced Electronic Materials, EarlyView.
This manuscript presents the first and simplest ever‐reported electrical cell, which leverages one memristor on Edge of Chaos to reproduce the three‐bifurcation cascade, marking the entire life cycle from birth to extinction via All‐to‐None effect of an electrical spike, also referred to as Action Potential, across axon membranes under monotonic ...
Alon Ascoli   +12 more
wiley   +1 more source

Path Transmissibility Analysis Considering Two Types of Correlations in Hydropower Stations

open access: yesJournal of Applied Mathematics, 2013
A new vibration model is built by introducing the head-cover vibration transfer path based on a previous analysis of the vertical vibration model for hydropower station units and powerhouses.
Baoping Zhi, Zhenyue Ma
doaj   +1 more source

Predicting Rigid Body Dynamics Using Dual Quaternion Recurrent Neural Networks With Quaternion Attention

open access: yesIEEE Access, 2022
We propose a novel neural network architecture based on dual quaternions which allow for a compact representation of information with a main focus on describing rigid body movements.
Johannes Poppelbaum, Andreas Schwung
doaj   +1 more source

Thread Algebra with Multi-Level Strategies

open access: yesFundamenta Informaticae, 2006
In a previous paper, we developed an algebraic theory about threads and multi-threading based on the assumption that a deterministic interleaving strategy determines how threads are interleaved.
J. Bergstra, K. Middelburg
semanticscholar   +1 more source

On the Hilbert series of vertex cover algebras of unmixed bipartite graphs [PDF]

open access: yes, 2010
We compute the reduced Gr\"{o}bner basis of the toric ideal with respect to a suitable monomial order and we study the Hilbert series of the vertex cover algebra $A(G)$, where $G$ is an unmixed bipartite graph without isolated vertices.Comment: 8 ...
Ion, Cristian
core  

Sustainable Thermal Solutions: Enhancing Heat Transfer with Turbulators and Nanofluids

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Nanofluids, which are nanoparticle suspensions in base fluid, facilitate heat transmission due to their improved thermal conductivity. Turbulators, which are inserts into fluid flow channels, disturb the flow, increasing turbulence and hence the heat transfer rate.
Zafar Said   +9 more
wiley   +1 more source

Optimal deployment of indoor wireless local area networks

open access: yesNetworks, Volume 81, Issue 1, Page 23-50, January 2023., 2023
Abstract We present a two‐phase methodology to address the problem of optimally deploying indoor wireless local area networks. In the first phase, we use Helmholtz's equation to simulate electromagnetic fields in a typical environment such as an office floor.
Antoine Oustry   +4 more
wiley   +1 more source

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