Results 91 to 100 of about 287,232 (281)

Free resolutions of algebras [PDF]

open access: yes
Given an algebra A, presented by generators and relations, i.e. as a quotient of a tensor algebra by an ideal, we construct a free algebra resolution of A, i.e.
Chuang, J., King, A.
core  

Risk‐aware safe reinforcement learning for control of stochastic linear systems

open access: yesAsian Journal of Control, EarlyView.
Abstract This paper presents a risk‐aware safe reinforcement learning (RL) control design for stochastic discrete‐time linear systems. Rather than using a safety certifier to myopically intervene with the RL controller, a risk‐informed safe controller is also learned besides the RL controller, and the RL and safe controllers are combined together ...
Babak Esmaeili   +2 more
wiley   +1 more source

The Standard Model as an extension of the noncommutative algebra of forms

open access: yes, 2015
The Standard Model of particle physics can be deduced from a small number of axioms within Connes' noncommutative geometry (NCG). Boyle and Farnsworth [New J. Phys.
Besnard, Fabien   +2 more
core   +1 more source

Performance improvement of discrete‐time linear‐quadratic regulators applied to uncertain linear systems using the Tikhonov regularization method

open access: yesAsian Journal of Control, EarlyView.
Abstract The linear‐quadratic regulator (LQR) problem of optimal control of an uncertain discrete‐time linear system (DTLS) is revisited in this paper from the perspective of Tikhonov regularization. We show that an optimally chosen regularization parameter reduces, compared to the classical LQR, the values of a scalar error function, as well as the ...
Fernando Pazos, Amit Bhaya
wiley   +1 more source

Volichenko Algebras as Algebras of Differential Operators

open access: yesJournal of Nonlinear Mathematical Physics, 2006
Let \(k\) be a field of characteristic zero and \(\Gamma\) an Abelian group. Suppose that \(R\) is a \(\Gamma\)-graded associative \(k\)-algebra and \(M\) is a \(\Gamma\)-graded \(R\)-bimodule. Let \(M_{-1}=0\) and \(M_{i+1}\) for \(i\geqslant -1\) is defined as \(R\)-bimodule generated by all homogeneous elements \(m\in M\) such that \(mr-\beta(d_m ...
openaire   +2 more sources

Improving the learning experience in an undergraduate course on microbial metabolism by using an illustrated story

open access: yesBiochemistry and Molecular Biology Education, Volume 53, Issue 2, Page 131-141, March/April 2025.
Abstract In the classroom, metabolism is often approached and received as a mundane exercise in memorization. Teaching metabolism also faces the challenge of negative perceptions that can impede learning. We sought to improve the learning experience in an undergraduate lecture course on microbial metabolism by implementing an illustrated story that ...
James B. McKinlay, Katherine Kearns
wiley   +1 more source

Function theory for a beltrami algebra

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1985
Complex functions are investigated which are solutions of an elliptic system of partial differential equations associated with a real parameter function.
B. A. Case
doaj   +1 more source

Uniform Gas Flow Distribution into Several Partial Flows under Consideration of Closable Outlets

open access: yesChemie Ingenieur Technik, EarlyView.
The uniform distribution of a gas flow into several partial flows poses a challenge in various technical fields. This study presents a static flow distributor design that ensures an equal distribution of an inlet gas flow regardless of the flow rate and the number of open outlets.
Nikolas Schmidt   +3 more
wiley   +1 more source

DeepDefend: A comprehensive framework for DDoS attack detection and prevention in cloud computing

open access: yesJournal of King Saud University: Computer and Information Sciences
DeepDefend is an advanced framework for real-time detection and prevention of DDoS attacks in cloud environments. It employs deep learning techniques, notably CNN-LSTM-Transformer networks, to predict network traffic entropy and detect potential attacks.
Mohamed Ouhssini   +4 more
doaj   +1 more source

Differential Resultants

open access: yesITM Web of Conferences, 2018
We review classical concepts of resultants of algebraic polynomials, and we adapt some of these concepts to objects in differential algebra, such as linear differential operators and differential polynomials.
McCallum Scott, Winkler Franz
doaj   +1 more source

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