On groups with all proper subgroups finite-by-abelian-by-finite Ulderico DardanoFausto De Mari OriginalPaper 17 February 2021 Pages: 611 - 619
Characterization of topological groups by discrete cocompact subgroups Bilel Kadri OriginalPaper 15 February 2021 Pages: 621 - 628
Regular orbits of self-dual modules Ping JinYong Yang OriginalPaper 13 February 2021 Pages: 629 - 635
Certain monomial ideals whose numbers of generators of powers descend Reza AbdolmalekiShinya Kumashiro OriginalPaper 24 March 2021 Pages: 637 - 645
Tate–Hochschild cohomology for periodic algebras Satoshi Usui OriginalPaper 19 February 2021 Pages: 647 - 657
A note on sequences not having metric Poissonian pair correlations Felipe A. Ramírez OriginalPaper 15 February 2021 Pages: 659 - 665
(Non-)Distributivity of the product for \(\sigma \)-algebras with respect to the intersection Alexander Steinicke OriginalPaper Open access 22 February 2021 Pages: 667 - 675
A gradient maximum principle of solutions for a quasilinear parabolic equation Qingwei LiMenglan Liao OriginalPaper 12 February 2021 Pages: 677 - 682
A sharp integral inequality for closed spacelike submanifolds immersed in the de Sitter space Henrique F. de LimaFábio R. dos SantosLucas S. Rocha OriginalPaper 12 April 2021 Pages: 683 - 691
\(L^2_f\)-harmonic 1-forms on smooth metric measure spaces with positive \(\lambda _1(\Delta _f)\) Jiuru Zhou OriginalPaper 10 April 2021 Pages: 693 - 706
Weighted exponential inequality for differentially subordinate martingales Michał Brzozowski OriginalPaper Open access 11 April 2021 Pages: 707 - 720