Results 1 to 10 of about 602 (167)

A Scalarized Entropy-Based Model for Portfolio Optimization: Balancing Return, Risk and Diversification

open access: yesMathematics
Portfolio optimization is a cornerstone of modern financial decision-making, traditionally based on the mean–variance model introduced by Markowitz.
Florentin Șerban, Silvia Dedu
doaj   +1 more source

On Quadratic Scalarization of One Class of Vector Optimization Problems in Banach Spaces

open access: yesVìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Modelûvannâ, 2012
We study vector optimization problems in partially ordered Banach Spaces. We sup­pose that the objective mapping possesses a weakened property of lower semicontinuity and make no assumptions on the interior of the ordering cone.
V. M. Bogomaz, P. I. Kogut
doaj   +1 more source

Constraining Nonperturbative Strong-Field Effects in Scalar-Tensor Gravity by Combining Pulsar Timing and Laser-Interferometer Gravitational-Wave Detectors

open access: yesPhysical Review X, 2017
Pulsar timing and laser-interferometer gravitational-wave (GW) detectors are superb laboratories to study gravity theories in the strong-field regime. Here, we combine these tools to test the mono-scalar-tensor theory of Damour and Esposito-Farèse (DEF),
Lijing Shao   +4 more
doaj   +1 more source

The emergence of scalar meanings [PDF]

open access: yesFrontiers in Psychology, 2015
This paper analyzes the emergence of scalar additive meanings. We show that in Basque the same particle ere can obtain both the "simple additive" reading (akin to English too) and the "scalar additive" reading (akin to English even) but we argue that we do not have to distinguish two types of ere.
Etxeberria, Urtzi, Irurtzun, Aritz
openaire   +4 more sources

Generalized quasiconvex set-valued maps

open access: yesJournal of Numerical Analysis and Approximation Theory, 2002
The aim of this paper is to introduce a concept of quasiconvexity for set-valued maps in a general framework, by only considering an abstract convexity structure in the domain and an arbitrary binary relation in the codomain.
Nicolae Popovici
doaj   +2 more sources

Using the Embedding Theorem to Solve Interval-Valued Optimization Problems

open access: yesAxioms
The space of all bounded closed intervals cannot form a vector space because the concept of an additive inverse cannot be considered. Therefore, this paper presents an embedding theorem to show that the space of all bounded closed intervals can be ...
Hsien-Chung Wu
doaj   +1 more source

Higher dimensional black hole scalarization

open access: yesJournal of High Energy Physics, 2020
In the simplest scalar-tensor theories, wherein the scalar field is non-minimally coupled to the Ricci scalar, spontaneous scalarization of electrovacuum black holes (BHs) does not occur. This ceases to be true in higher dimensional spacetimes, d > 4. We
Dumitru Astefanesei   +3 more
doaj   +1 more source

A NEW SCALARIZING APPROACH AND THE SEMICONTINUITIES OF THE SOLUTION MAPPING OF A PARAMETRIC VECTOR QUASI-EQUILIBRIUM PROBLEM

open access: yesTạp chí Khoa học Đại học Đà Lạt, 2012
This paper gives sufficient conditions for the upper and lower semicontinuities of the solution mapping of a parametric vector quasi-equilibrium problem with moving cones.
Phạm Hữu Sách, Lê Anh Tuấn
doaj   +1 more source

Gauss-bonnet scalarization of charged qOS-black holes

open access: yesEuropean Physical Journal C: Particles and Fields
The Gauss–Bonnet (GB) scalarization for charged quantum Oppenheimer–Snyder (cqOS)-black holes is investigated in the Einstein–Gauss–Bonnet–Scalar theory with the nonlinear electrodynamics (NED) term. Here, the scalar coupling function to GB term is given
Hong Guo, Wontae Kim, Yun Soo Myung
doaj   +1 more source

Germeier’s Scalarization for Approximating Solution of Multicriteria Matrix Games

open access: yesMathematics, 2022
In this paper, we study the properties of Germeier’s scalarization applied for solving multicriteria games. The equilibria and the equilibrium values of such games, as a rule, make sets, and the problems of parametrizing and approximating these sets ...
Natalia Novikova, Irina Pospelova
doaj   +1 more source

Home - About - Disclaimer - Privacy