Haase, Markus, (1970-)

Calculus. Operator theory. Functional analysis -- Miscellaneous applications of functional analysis -- Applications to differential and integral equations. Partial differential equations -- Elliptic equations and systems -- Elliptic equations and systems. Functional analysis -- Inner product spaces and their generalizations, Hilbert spaces -- Inner product spaces and their generalizations, Hilbert spaces. Functional analysis Partial differential equations -- Spectral theory and eigenvalue problems -- Spectral theory and eigenvalue problems. Functional analysis. Differential equations, Partial Functional analysis -- Instructional exposition (textbooks, tutorial papers, etc.).