vol. 41, no. 6 (2021)
Generalized powers and measures
Zbigniew Burdak, Marek Kosiek, Patryk Pagacz, Krzysztof Rudol, Marek Słociński
Opuscula Math. 41, no. 6 (2021), 747-754,
https://doi.org/10.7494/OpMath.2021.41.6.747
Spectral properties of certain operators on the free Hilbert space \(\mathfrak{F}[H_{1},...,H_{N}]\) and the semicircular law
Ilwoo Cho
Opuscula Math. 41, no. 6 (2021), 755-803,
https://doi.org/10.7494/OpMath.2021.41.6.755
The Krein-von Neumann extension of a regular even order quasi-differential operator
Minsung Cho, Seth Hoisington, Roger Nichols, Brian Udall
Opuscula Math. 41, no. 6 (2021), 805-841,
https://doi.org/10.7494/OpMath.2021.41.6.805
Corona theorem for strictly pseudoconvex domains
Sebastian Gwizdek
Opuscula Math. 41, no. 6 (2021), 843-848,
https://doi.org/10.7494/OpMath.2021.41.6.843
Spontaneous decay of level from spectral theory point of view
Eduard Ianovich
Opuscula Math. 41, no. 6 (2021), 849-859,
https://doi.org/10.7494/OpMath.2021.41.6.849
Discrete spectra for some complex infinite band matrices
Maria Malejki
Opuscula Math. 41, no. 6 (2021), 861-879,
https://doi.org/10.7494/OpMath.2021.41.6.861
μ-Hankel operators on Hilbert spaces
Adolf Mirotin, Ekaterina Kuzmenkova
Opuscula Math. 41, no. 6 (2021), 881-898,
https://doi.org/10.7494/OpMath.2021.41.6.881