Results 41 to 50 of about 88,517 (218)

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

Coherent Forecasting of Realized Volatility

open access: yesJournal of Forecasting, Volume 45, Issue 4, Page 1714-1729, July 2026.
ABSTRACT The QLIKE loss function is the stylized favorite of the literature on volatility forecasting when it comes to out‐of‐sample evaluation and the state of the art model for realized volatility (RV) forecasting is the HAR model, which minimizes the squared error loss for in‐sample estimation of the parameters.
Marius Puke, Karsten Schweikert
wiley   +1 more source

σ-Algebra and σ-Baire in Fuzzy Soft Setting

open access: yesAdvances in Fuzzy Systems, 2018
We first introduce some new notions of Baireness in fuzzy soft topological space (FSTS). Next, their characterizations and basic properties are investigated in this work. The notions of fuzzy soft dense, fuzzy soft nowhere dense, fuzzy soft meager, fuzzy
Shuker Mahmood Khalil   +3 more
doaj   +1 more source

Borel canonization of analytic sets with Borel sections

open access: yesProceedings of the American Mathematical Society, 2018
Kanovei, Sabok and Zapletal asked whether every proper σ \sigma
openaire   +3 more sources

Kuga–Satake Construction on Families of K3 Surfaces of Picard Rank 14

open access: yesMathematische Nachrichten, EarlyView.
ABSTRACT The isometry between the type IV6 and the type II4 hermitian symmetric domains suggests a possible relation between suitable moduli spaces of K3 surfaces of Picard rank 14 and of polarized abelian 8‐folds with totally definite quaternion multiplication. We show how this isometry induces a geometrically meaningful map between such moduli spaces
Flora Poon
wiley   +1 more source

BOUNDARY VALUE PROBLEMS FOR INTEGRAL EQUATIONS WITH OPERATOR MEASURES

open access: yesПроблемы анализа, 2017
We consider integral equations with operator measures on a segment in the infinite-dimensional case. These measures are defined on Borel sets of the segment and take values in the set of linear bounded operators acting in a separable Hilbert space.
V. M. Bruk
doaj   +1 more source

Product formalisms for measures on spaces with binary tree structures: representation, visualization, and multiscale noise

open access: yesForum of Mathematics, Sigma, 2020
In this paper, we present a theoretical foundation for a representation of a data set as a measure in a very large hierarchically parametrized family of positive measures, whose parameters can be computed explicitly (rather than estimated by optimization)
Devasis Bassu   +3 more
doaj   +1 more source

On Borel maps, calibrated $\sigma$-ideals and homogeneity

open access: yes, 2017
Let $\mu$ be a Borel measure on a compactum $X$. The main objects in this paper are $\sigma$-ideals $I(dim)$, $J_0(\mu)$, $J_f(\mu)$ of Borel sets in $X$ that can be covered by countably many compacta which are finite-dimensional, or of $\mu$-measure ...
Pol, Roman, Zakrzewski, Piotr
core   +1 more source

On the Characterization of Souslin and Borel Sets [PDF]

open access: yesProceedings of the American Mathematical Society, 1975
Let X \mathfrak {X} be an arbitrary family of sets in the basic set
openaire   +1 more source

Exponential Stability of Higher Order Fractional Neutral Stochastic Differential Equation Via Integral Contractors

open access: yesMathematical Methods in the Applied Sciences, Volume 48, Issue 6, Page 6425-6446, April 2025.
ABSTRACT The well‐posedness results for mild solutions to the fractional neutral stochastic differential system with Rosenblatt process with Hurst index Ĥ∈12,1$$ \hat{H}\in \left(\frac{1}{2},1\right) $$ is discussed in this article. To demonstrate the results, the concept of bounded integral contractors is combined with the stochastic result and ...
Dimplekumar N. Chalishajar   +3 more
wiley   +1 more source

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