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Huilin Xu, Fanli Xu, Baoxia Wang • Axioms
(2026)
This paper addresses the Cauchy problem for the multi-dimensional modified Helmholtz equation, a classical and severely ill-posed problem. A truncated-kernel mollification method is proposed as an effective regularization approach. Both the...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/axioms15080593
A. V. Fursikov • Translations of mathematical monographs
(1999)
The existence of solutions to optimal control problems Optimality system for optimal control problems The solvability of boundary value problems for a dense set of data The problem of work minimization in accelerating still fluid to a presc...
OPENALEX
DOI: https://doi.org/10.1090/mmono/187