On the Eigenvalues of Spectral Gaps of Elliptic PDEs on Waveguides Salma AljawiMarco Marletta OriginalPaper 28 February 2023 Article: 7
The Coburn Lemma and the Hartman–Wintner–Simonenko Theorem for Toeplitz Operators on Abstract Hardy Spaces Oleksiy KarlovychEugene Shargorodsky OriginalPaper Open access 18 January 2023 Article: 6
Positive and Negative Eigenfunction Expansion Results for Indefinite Sturm–Liouville Problems Andreas Fleige OriginalPaper 06 January 2023 Article: 5
Invariant Subspaces of Idempotents on Hilbert Spaces Neeru BalaNirupam GhoshJaydeb Sarkar OriginalPaper 16 December 2022 Article: 4
Correction to: Volterra Type Operators Between Bloch Type Spaces and Weighted Banach Spaces Qingze Lin Correction 16 December 2022 Article: 3
Transformations of Moment Functionals Philipp J. di Dio OriginalPaper Open access 15 December 2022 Article: 2
Realizations of Non-commutative Rational Functions Around a Matrix Centre, II: The Lost-Abbey Conditions Motke PoratVictor Vinnikov OriginalPaper 05 December 2022 Article: 1