Results 81 to 90 of about 4,400 (261)

THE PROGRAM ITERATIONS METHOD IN GAME PROBLEM OF GUIDANCE AND SET-VALUED QUASISTRATEGIES

open access: yesUral Mathematical Journal, 2016
We consider a differential game of guidance-evasion, which is solved with the program iterations method. The iterated procedure is realized in the space of sets, the elements of which are the game's positions.
Alexander G. Chentsov
doaj   +1 more source

Additive mappings on symmetric matrices

open access: yesLinear Algebra and its Applications, 2006
Let \(F_1\) and \(F_2\) be two fields and let \(S_n(F_1)\) and \(S_n(F_2)\) be the set of symmetric matrices over \(F_1\) and \(F_2\), respectively. A mapping \(\Phi: S_n(F_1)\to S_n(F_2)\) is called additive if \(\Phi(A+B)=\Phi(A)+\Phi(B)\). It is said that \(\Phi\) doesn't increase rank-one if \(rk(\Phi(A))\leq1\) whenever \(rk(A)=1\). \textit{M.
Kuzma, Bojan, Orel, Marko
openaire   +2 more sources

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

On functions with the Cauchy difference bounded by a functional. Part II

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2005
We are going to consider the functional inequality f(x+y)−f(x)−f(y)≥ϕ(x,y), x,y∈X, where (X,+) is an abelian group, and ϕ:X×X→ℝ and f:X→ℝ are unknown mappings.
Włodzimierz Fechner
doaj   +1 more source

Additivity of multiplicative maps on triangular rings

open access: yesLinear Algebra and its Applications, 2011
A bijective map \(\sigma\) between rings is called an \(n\)-isomorphism if it satisfies \((x_1x_2\cdots x_n)^\sigma=x_1^\sigma x_2^\sigma\cdots x_n^\sigma\). Analogously one defines \(n\)-multiplicative derivations and \(n\)-elementary maps. Under certain technical restrictions it is shown that these maps are automatically additive on triangular rings.
openaire   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

Fuzzy Stability of a Functional Equation Deriving from Quadratic and Additive Mappings

open access: yesAbstract and Applied Analysis, 2011
We investigate a fuzzy version of stability for the functional equation f(2x+y)+f(2x−y)+2f(x)−f(x+y)−f(x−y)−2f(2x)=0 in the sense of Mirmostafaee and Moslehian.
Sun Sook Jin, Yang-Hi Lee
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Some improvements on the stability results for additive functional inequalities in Banach spaces

open access: yesJournal of Inequalities and Applications
We discuss two functional inequalities proposed by Lu and Park (J. Inequal. Appl. 2012:294, 2012). Using the concept of γ-additive mappings and the results of Forti (J. Math. Anal. Appl.
Sajjatit Santawong, Satit Saejung
doaj   +1 more source

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