Results 41 to 50 of about 27,409 (168)
Discrete time quantum mechanics
Computers & Mathematics with Applications, 1994 52 pages, OKHEP-93 ...
Bender, C.M., Mead, L.R., Milton, K.A.
openaire +3 more sources
Discrete time from quantum physics [PDF]
Nuclear Physics B, 1994 't Hooft has recently developed a discretisation of (2+1) gravity which has a multiple-valued Hamiltonian and which therefore admits quantum time evolution only in discrete steps. In this paper, we describe several models in the continuum with single-valued equations of motion in classical physics, but with multiple-valued Hamiltonians.
Balachandran, A. P., Chandar, L.
openaire +3 more sources
A hybrid Chelyshkov wavelet-finite differences method for time-fractional black-Scholes equation [PDF]
Journal of Mahani Mathematical ResearchIn this paper, a hybrid method for solving time-fractional Black-Scholes equation is introduced for option pricing. The presented method is based on time and space discretization.
Seyyed Amjad Samareh Hashemi +2 more
doaj +1 more source
Semi-Classical Discretization and Long-Time Evolution of Variable Spin Systems
Entropy, 2021 We apply the semi-classical limit of the generalized SO(3) map for representation of variable-spin systems in a four-dimensional symplectic manifold and approximate their evolution terms of effective classical dynamics on T*S2.
Giovani E. Morales-Hernández +3 more
doaj +1 more source
An algorithm for solving the Navier–Stokes problem with mixed boundary conditions
Boundary Value Problems, 2022 We consider a time-dependent Navier–Stokes problem in dimension two and three provided with mixed boundary conditions. We propose an iterative algorithm and its implementation for resolving this considered problem.
Mohamed Abdelwahed +3 more
doaj +1 more source
Applied Sciences, 2023 This study applies the space–time generalized finite difference scheme to solve nonlinear dispersive shallow water waves described by the modified Camassa–Holm equation, the modified Degasperis–Procesi equation, the Fornberg–Whitham equation, and its ...
Po-Wei Li, Shenghan Hu, Mengyao Zhang
doaj +1 more source
Forum Geografi, 2016 The increasingly growth of population and industry sector have lead to an enhanced demand for electrical energy. One of the electricity providers in the area of Java-Madura Bali (Jamali) is Saguling Reservoir.
Mariana Marselina +3 more
doaj
Digital Resonant Controller based on Modified Tustin Discretization Method
Advances in Electrical and Computer Engineering, 2016 Resonant controllers are used in power converter voltage and current control due to their simplicity and accuracy. However, digital implementation of resonant controllers introduces problems related to zero and pole mapping from the continuous to the ...
STOJIC, D.
doaj +1 more source
Advanced Modeling and Simulation in Engineering Sciences, 2021 Solutions of partial differential equations can exhibit multiple time scales. Standard discretization techniques are constrained to capture the finest scale to accurately predict the response of the system.
Angelo Pasquale +6 more
doaj +1 more source
Discrete Dynamics in Nature and SocietyThis paper develops a time-space double radial basis function (TSDRBF) method to solve PDEs arising from multiasset option pricing. By TSDRBF discretization for the high-dimensional PDEs, a linear system (LS) is obtained.
Zhiqiang Zhou +3 more
doaj +1 more source