Results 271 to 280 of about 1,739,474 (329)
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Higher order derivatives

Fundamental Concepts in Modern Analysis, 1997
This chapter is concerned with the estimate of higher order derivatives of J-holomorphic maps. For that purpose the differentials of J-holomorphic maps are made into pseudo-holomorphic maps to which the Gromov-Schwarz lemma applies. This is used in the proof of Gromov’s theorem on the removal of singularities for J-holomorphic maps.
Christoph Hummel
openaire   +2 more sources

A novel model of nonlocal thermoelasticity with time derivatives of higher order

Mathematical Methods in the Applied Sciences, 2020
The objective of this work is to introduce a new system of differential equations describing the nonlocal thermoelasticity theory with higher time derivatives and two‐phase lags.
Ahmed E Abouelregal
exaly   +2 more sources

The Grüneisen parameter and its higher order derivatives for the Earth lower mantle and core

Physics of the Earth and Planetary Interiors, 2017
J Shanker, K Sunil, B S Sharma
exaly   +2 more sources

Non-Standard Lagrangians with Higher-Order Derivatives and the Hamiltonian Formalism

Proceedings of the National Academy of Sciences India Section A - Physical Sciences, 2015
Rami Ahmad El-Nabulsi   +1 more
exaly   +2 more sources

An advanced model of thermoelasticity with higher-order memory-dependent derivatives and dual time-delay factors

Waves in Random and Complex Media, 2021
This work gives some results and develops the derivation of memory dependence heat conduction model with dual phase-lags using the modified definition of the fractional derivative of Caputo and higher-order memory-dependent derivative (MDD).
A. Abouelregal
semanticscholar   +1 more source

Generalized thermoelastic-diffusion model with higher-order fractional time-derivatives and four-phase-lags

Mechanics based design of structures and machines, 2020
The present work is devoted to the derivation of fundamental equations in generalized thermoelastic diffusion with four lags and higher-order time-fractional derivatives.
A. Abouelregal   +3 more
semanticscholar   +1 more source

Series PID Control With Higher-Order Derivatives for Processes Approximated by IPDT Models

IEEE Transactions on Automation Science and Engineering
The article takes up the pioneering work that led to the development of mass-used industrial controllers known by the original names of automatic-reset and hyper-reset, and generalizes them to an open family of controllers with higher-order derivatives ...
M. Huba, D. Vrančić, P. Bisták
semanticscholar   +1 more source

On higher order derivatives of Lyapunov functions

Proceedings of the 2011 American Control Conference, 2011
This note is concerned with a class of differential inequalities in the literature that involve higher order derivatives of Lyapunov functions and have been proposed to infer asymptotic stability of a dynamical system without requiring the first derivative of the Lyapunov function to be negative definite.
Amir Ali Ahmadi, Pablo A. Parrilo
openaire   +1 more source

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