Results 1 to 10 of about 4,890 (143)

The Hellmann–Feynman theorem, the comparison theorem, and the envelope theory

Results in Physics, 2015
The envelope theory is a convenient method to compute approximate solutions for bound state equations in quantum mechanics. It is shown that these approximate solutions obey a kind of Hellmann–Feynman theorem, and that the comparison theorem can be ...
Claude Semay
doaj   +5 more sources

The envelope theorem in dynamic optimization [PDF]

Journal of Economic Dynamics and Control, 1991
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jeffrey T Lafrance
exaly   +2 more sources

Uniform Envelopes [PDF]

Logical Methods in Computer Science, 2022
In the author's PhD thesis (2019) universal envelopes were introduced as a tool for studying the continuously obtainable information on discontinuous functions.
Eike Neumann
doaj   +1 more source

Grey-Black Optical Solitons, Homoclinic Breather, Combined Solitons via Chupin Liu’s Theorem for Improved Perturbed NLSE with Dual-Power Law Nonlinearity

Mathematics, 2023
In this article, we consider the improved perturbed nonlinear Schrödinger Equation (IP-NLSE) with dual power law nonlinearity, which arises in optical fibers and photovoltaic-photo-refractive materials.
Syed T. R. Rizvi, Aly R. Seadawy, Shami A. M. Alsallami   +2 more
doaj   +1 more source

Estimation of Truncation Error in Statistical Description of Communication Signals over mm-Wave Channels

Axioms, 2022
This paper presents an illustration of how knowledge from the field of special functions, orthogonal polynomials and numerical series can be applied to solve a very important problem in the field of modern wireless communications. We present the formulas
Zvezdan Marjanović, Dejan N. Milić, Goran T. Đorđević   +2 more
doaj   +1 more source

Envelope programming and a minimax theorem

Journal of Mathematical Analysis and Applications, 1972
D J White
exaly   +2 more sources

The Converse Envelope Theorem

Econometrica, 2022
I prove an envelope theorem with a converse: the envelope formula isequivalentto a first‐order condition. Like Milgrom and Segal's (2002) envelope theorem, my result requires no structure on the choice set. I use the converse envelope theorem to extend to general outcomes and preferences the canonical result in mechanism design that any increasing ...
openaire   +3 more sources

Onsager’s reciprocal relationship applied to multiphysics poromechanics

Forces in Mechanics, 2023
Onsager’s theory of linear irreversible thermodynamics has been successfully applied to explain findings from experiments. However, its application to multiphysics processes in deformable porous media is a non-trivial undertaking.
Klaus Regenauer-Lieb, Manman Hu
doaj   +1 more source

Envelope theorems for static optimization and Calculus of Variations [PDF]

Journal of Mathematical Analysis and Applications, 2022
We establish differentiability properties of the value function of problems of Static Optimization in an abstract infinite dimensional setting and we apply that to problems of Calculus of Variations. We lighten the assumptions of existing results, notably by using G{â}teaux and Hadamard differentials.
Blot, Joël, Yilmaz, Hasan
openaire   +2 more sources

Construction of the Decomposition of Locational Marginal Prices [PDF]

Científica
This paper exposes the way in which the decomposition of Locational Marginal Prices (PML) is constructed into its energy and congestion components using the envelope theorem.
Carlos Antonio Becerril Gordillo
doaj   +1 more source