Competing Operators and Their Applications to Boundary Value Problems

Lingua: inglese

Editore: Springer Nature Switzerland AG, CH, 2026

3032154448 / 9783032154446

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This book addresses problems driven by differential operators that lack monotonicity. The authors' methods rely on coercivity and continuity, allowing for the construction of an approximative scheme whose convergence is induced by coercivity.This observation leads to a new type of solution, which is precisely a limit of finite-dimensional approximation schemes and leads to the weak solution, provided that the operator driving the equation is at least pseudomonotone. This new type of solution is called a generalized solution. To systematically treat its existence, the authors introduce an abstract existence tool that serves as a counterpart to the Browder-Minty Theorem in the non-variational case and the Weierstrass-Tonelli Theorem if the problem is potential. Thus, the authors utilize many already developed techniques, suitably modified due to the absence of the monotonicity assumption.The authors obtain three abstract results, also in the non-smooth case, which they apply to nonlinear boundary value problems. In their applications, they also deal with problems depending on an unbounded weight, which forces them to implement a suitable truncation technique.The book includes an extended chapter covering analysis on abstract tools from the theory of monotone operators and minimization techniques, supplied with proofs and comments that allow for a better understanding of the authors' approach towards generalized solutions. It includes necessary background on Sobolev spaces, introduces the non-variational generalized solution, and investigates the existence of solutions for variational problems and inclusions.

Codice articolo LU-9783032154446

Titolo
Competing Operators and Their Applications to Boundary Value Problems
Autore
Marek Galewski, Dumitru Motreanu
Editore
Springer Nature Switzerland AG, CH
Anno di pubblicazione
2026
Condizione
New
Rilegatura
Paperback
Lingua
inglese
ISBN 10
3032154448
ISBN 13
9783032154446

Rarewaves.com USA

London, London, Regno Unito

Venditore con 5 stelle

Venditore AbeBooks dal 11 giugno 2025

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