Results 41 to 50 of about 1,750,632 (381)

On Gradual Sets, Hesitant Fuzzy Sets, and Representation Theorems

open access: yesIEEE Access
We analyze the connection between two perspectives when defining fuzzy sets: the viewpoint of mappings and the viewpoint of families of level cuts. This analysis is mathematically supported by the framework of a categorical adjunction, which serves as a ...
Pascual Jara   +3 more
doaj   +1 more source

Matematiğin ve Varlığın Sınırlarına Hârizmî Cebri Üzerinden Yeniden Bakmak

open access: yesÜniversite Araştırmaları Dergisi, 2023
Ontolojik nesnenin belirlenişinde matematiğin etkisi bugün adeta kayıp bir gönderge gibidir. Oysa tarihlerinin başlangıcında bu ilişki açıkça görünür biçimdeydi. Matematiğin ve bilimlerin 17. yy.
Tuğba Yavuz
doaj   +1 more source

The multiple zeta value algebra and the stable derivation algebra

open access: yes, 2003
The MZV algebra is the graded algebra over ${\bold Q}$ generated by all multiple zeta values. The stable derivation algebra is a graded Lie algebra version of the Grothendieck-Teichm\"{u}ller group.
Furusho, Hidekazu
core   +3 more sources

Altered Dynamic Functional Network Connectivity in Post‐Stroke Aphasia

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Previous studies examining post‐stroke aphasia (PSA) patients via resting‐state functional magnetic resonance imaging (rs‐fMRI) have predominantly focused on static functional connectivity. In contrast, the current investigation aims to elucidate the alterations in dynamic functional network connectivity (dFNC) among PSA patients ...
Guihua Xu   +6 more
wiley   +1 more source

A note on the restricted universal enveloping algebra of a restricted Lie-Rinehart Algebra

open access: yes, 2015
Lie-Rinehart algebras, also known as Lie algebroids, give rise to Hopf algebroids by a universal enveloping algebra construction, much as the universal enveloping algebra of an ordinary Lie algebra gives a Hopf algebra, of infinite dimension.
Schauenburg, Peter
core   +3 more sources

The algebraic structure of the Onsager algebra [PDF]

open access: yesCzechoslovak Journal of Physics, 2000
We study the Lie algebra structure of the Onsager algebra from the ideal theoretic point of view. A structure theorem of ideals in the Onsager algebra is obtained with the connection to the finite-dimensional representations. We also discuss the solvable algebra aspect of the Onsager algebra through the formal Lie algebra theory.
Shi-shyr Roan, Etsuro Date
openaire   +4 more sources

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

Hydrogel‐Based Capacitive Sensor Model for Ammonium Monitoring in Aquaculture

open access: yesAdvanced Engineering Materials, EarlyView.
Traditional techniques for monitoring aquaculture water quality, particularly ammonium levels, harm fish. This work presents a novel capacitive sensor with an ionic hydrogel transducer to monitor ammonium concentration in real time based on the ammonium‐induced hydrogel dissociation and osmotic pressure. Monitoring aquaculture water quality, especially
Mohammad Mirzaee   +3 more
wiley   +1 more source

Impact of Teaching and Learning Modes on Graduates’ Social and Entrepreneurial Skills Development: A Comparative Analysis

open access: yesEducation Sciences
There is a growing interest in researching the impact of different modes of learning and teaching on the non-academic outcomes of graduates, such as their employment outcomes. This study examines the impact of teaching and learning modes on the perceived
Ana Tecilazić   +2 more
doaj   +1 more source

A vertex algebra attached to the flag manifold and Lie algebra cohomology

open access: yes, 2009
Each flag manifold carries a unique algebra of chiral differential operators. Continuing along the lines of arXiv:0903.1281 we compute the vertex algebra structure on the cohomology of this algebra.
Arakawa, T., Malikov, F.
core   +1 more source

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