Results 41 to 50 of about 84,384 (149)

Sir Isaac Newton Stranger in a Strange Land

open access: yesEntropy, 2020
The theme of this essay is that the time of dominance of Newton’s world view in science is drawing to a close. The harbinger of its demise was the work of Poincaré on the three-body problem and its culmination into what is now called chaos theory.
Bruce J. West
doaj   +1 more source

Some inequalities in quasi-Banach algebra of non-Newtonian bicomplex numbers

open access: yesFilomat, 2021
In this paper, we construct the quasi-Banach algebra BC(N) of non-Newtonian bicomplex numbers and we generalize some topological concepts and inequalities as Schwarz?s, H?lder?s and Minkowski?s in the set of bicomplex numbers in the sense of non ...
Nilay Sager, B. Sağır
semanticscholar   +1 more source

Modified Regge calculus as an explanation of dark energy

open access: yes, 2012
Using Regge calculus, we construct a Regge differential equation for the time evolution of the scale factor $a(t)$ in the Einstein-de Sitter cosmology model (EdS).
McDevitt, T. J.   +2 more
core   +1 more source

An introduction to non-smooth convex analysis via multiplicative derivative

open access: yesJournal of Taibah University for Science, 2019
In this study, *-directional derivative and *-subgradient are defined using the multiplicative derivative, making a new contribution to non-Newtonian calculus for use in non-smooth analysis.
Ali Hakan Tor
doaj   +1 more source

Fractional calculus modelling for unsteady unidirectional flow of incompressible fluids with time-dependent viscosity

open access: yes, 2012
In this note we analyze a model for a unidirectional unsteady flow of a viscous incompressible fluid with time dependent viscosity. A possible way to take into account such behaviour is to introduce a memory formalism, including thus the time dependent ...
Garra, Roberto, Polito, Federico
core   +1 more source

MOND-like Fractional Laplacian Theory

open access: yes, 2020
I provide a derivation of some characteristic effects of Milgrom's modified Newtonian dynamics (MOND) from a fractional version of Newton's theory based on the fractional Poisson equation.
Giusti, Andrea
core   +1 more source

Certain Sequence Spaces over the Non-Newtonian Complex Field

open access: yesAbstract and Applied Analysis, 2013
It is known from functional analysis that in classical calculus, the sets , , , and of all bounded, convergent, null and -absolutely summable sequences are Banach spaces with their natural norms and they are complete according to the metric reduced ...
Sebiha Tekin, Feyzi Başar
doaj   +1 more source

Free convection channel flow of couple stress casson fluid: A fractional model using Fourier’s and Fick’s laws

open access: yesFrontiers in Physics, 2023
Fractional calculus is a branch of mathematics that develops from the usual definitions of calculus integral and derivative operators, just as fractional exponents emerge from integer exponents.
Shafiq Ahmad   +4 more
doaj   +1 more source

On *-Continuity and *-Uniform Continuity of Some Non-Newtonian Superposition Operators

open access: yesEuropean Journal of Science and Technology, 2021
Many studies have been done on superposition operators and non-Newtonian calculus from past to present. Sağır and Erdoğan defined Non-Newtonian superposition operators and characterized them on some sequence spaces.
F. Erdoğan, Birsen SAĞIR DUYAR
semanticscholar   +1 more source

Incompressible Stars and Fractional Derivatives [PDF]

open access: yes, 2014
Fractional calculus is an effective tool in incorporating the effects of non-locality and memory into physical models. In this regard, successful applications exist rang- ing from signal processing to anomalous diffusion and quantum mechanics.
Bayin, S. S., Krisch, J. P.
core  

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