Results 11 to 20 of about 10,607 (194)

Non-linear extension of non-metricity scalar for MOND

open access: yesPhysics Letters B, 2020
General Relativity enjoys the freedom of different geometrical interpretations in terms of curvature, torsion or non-metricity. Within this geometrical trinity, a simpler geometrical formulation of General Relativity manifests itself in the latter, where
Fabio D'Ambrosio   +2 more
doaj   +1 more source

Commissioning and Operation of a Direct Digital Control Computer on a Cement Plant

open access: yesMeasurement + Control, 1970
The installation and commissioning of an on-line computer on a new cement plant is described. The computer carries out direct digital control, although conventional controllers are also provided.
A. D. Barton HNC   +3 more
doaj   +1 more source

On Mond–Weir-Type Robust Duality for a Class of Uncertain Fractional Optimization Problems

open access: yesAxioms, 2023
This article is focused on the investigation of Mond–Weir-type robust duality for a class of semi-infinite multi-objective fractional optimization with uncertainty in the constraint functions.
Xiaole Guo
doaj   +1 more source

Control Problems Associated with an Open Loop Unstable Chemical Reactor

open access: yesMeasurement + Control, 1976
A batch reaction is carried out in a water-cooled reactor on a small pilot scale plant. Control problems arose because of the inherent one loop instability of the reactor due to insufficient heat transfer area between the reactor contents and the cooling
C. While
doaj   +1 more source

Wide Binaries from GAIA EDR3: preference for GR over MOND?

open access: yesThe Open Journal of Astrophysics, 2023
Several recent studies have shown that velocity differences of very wide binary stars, measured to high precision with GAIA, can potentially provide an interesting test for modified-gravity theories which attempt to emulate dark matter.
Charalambos Pittordis, Will Sutherland
doaj   +1 more source

MONDified gravity

open access: yesPhysics Letters B, 2023
A new class of modified gravity theories, made possible by subtle features of the canonical formulation of general covariance, naturally allows MOND-like behavior (MOdified Newtonian Dynamics) in effective space-time solutions without introducing new ...
Martin Bojowald, Erick I. Duque
doaj   +1 more source

MOND: uma alternativa à mecânica newtoniana [PDF]

open access: yesRevista Brasileira de Ensino de Física, 2008
O objetivo do presente trabalho é expor os principais aspectos e resultados de uma das mais populares alternativas à teoria newtoniana para o movimento dos corpos conhecida por Modified Newtonian Dynamics (MOND, na sigla em inglês).
H.E.S. Velten
doaj   +1 more source

Dark matter superfluidity and galactic dynamics

open access: yesPhysics Letters B, 2016
We propose a unified framework that reconciles the stunning success of MOND on galactic scales with the triumph of the ΛCDM model on cosmological scales. This is achieved through the physics of superfluidity.
Lasha Berezhiani, Justin Khoury
doaj   +1 more source

Dwarf Galaxies, MOND, and Relativistic Gravitation

open access: yesAdvances in Astronomy, 2010
MOND is a phenomenological modification of Newton's law of gravitation which reproduces the dynamics of galaxies, without the need for additional dark matter. This paper reviews the basics of MOND and its application to dwarf galaxies.
Arthur Kosowsky
doaj   +1 more source

Duality results for interval-valued semiinfinite optimization problems with equilibrium constraints using convexificators

open access: yesJournal of Inequalities and Applications, 2022
This paper deals with the study of interval-valued semiinfinite optimization problems with equilibrium constraints (ISOPEC) using convexificators. First, we formulate Wolfe-type dual problem for (ISOPEC) and establish duality results between the (ISOPEC)
K. K. Lai   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy