discipline

Mathematics

subject

Unbounded operators

lecturers

Zoltán Sebestyén

credits

2

period

1., 2., 3., 4.

curriculum

Neumann’s theory of closed Hilbert space operators: existence of the second adjoint and the product of the first two adjoints as a positive selfadjoint operator. Up to date theory of positive selfadjoint extensions of not necessarily densely defined operators on Hilbert space: Krein’s theory revisited. Extremal extensions are characterized including Friedrichs and Krein-von Neumann extensions. Description of a general positive selfadjoint extension.

literature

-

form of tuition

Lectures

mode of assessment

oral exam