On the Weierstrass Theorem on extrema and its application for finding fixed points and zeros of mappings

In this paper, we examine the applicability of the Lagrange Multiplier Rule, specifically the Karush–Kuhn–Tucker Theorem, to investigate the existence of fixed points and zeros of certain potential mappings between finite and infinite spaces. Such zeros are investigated as constrained extrema, whose...

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Bibliographic Details
Main Author: Marek Galewski
Format: Article
Language:English
Published: World Scientific Publishing 2025-08-01
Series:Bulletin of Mathematical Sciences
Subjects:
Online Access:https://www.worldscientific.com/doi/10.1142/S1664360725500031
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