نتایج جستجو برای: smooth variational principle

تعداد نتایج: 295089  

Journal: :Moscow Mathematical Journal 2010

Journal: :Journal of High Energy Physics, Gravitation and Cosmology 2018

Journal: :Journal of Differential Equations 2015

Journal: :Reports on Mathematical Physics 2018

Journal: :Classical and Quantum Gravity 2016

Journal: :Journal of Inequalities and Applications 2019

Journal: :Gem - International Journal on Geomathematics 2022

Abstract A variational principle is established by the semi-inverse method and used to solve approximately a nonlinear problem Ritz method. In this process,it may be difficult large system of algebraic equations,the Groebner bases theory (Buchberger’s algorithm) applied problem. The results show that approach much simpler more efficient.

2006
James Nolen Jack Xin

We establish the variational principle of Kolmogorov-Petrovsky-Piskunov (KPP) front speeds in temporally random shear flows with sufficiently decaying correlations. A key quantity in the variational principle is the almost sure Lyapunov exponent of a heat operator with random potential. To prove the variational principle, we use the comparison principle of solutions, the path integral represent...

Journal: :Journal of Physics G: Nuclear and Particle Physics 1999

Journal: :Mathematical Modelling of Natural Phenomena 2015

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