On the existence of permutations of infinite sets without fixed points in set theory without choice E. Tachtsis OriginalPaper 18 August 2018 Pages: 281 - 300
On crossing families of complete geometric graphs D. LaraC. Rubio-Montiel OriginalPaper 22 October 2018 Pages: 301 - 311
Necessary and sufficient conditions for complete convergence of double weighted sums of pairwise independent identically distributed random elements in Banach spaces L. V. ThanhN. T. Thuy OriginalPaper 22 September 2018 Pages: 312 - 326
On the existence of periodic solutions to constrained Lagrangian systems O. Zubelevich OriginalPaper 05 January 2019 Pages: 349 - 363
Homogeneous continua that are not separated by arcs J. van MillV. Valov OriginalPaper 22 October 2018 Pages: 364 - 370
Inverse images of open sets under gradient mapping A. Skálová OriginalPaper 22 October 2018 Pages: 371 - 386
Characterizations of biselective operations J. DevilletG. Kiss OriginalPaper 06 December 2018 Pages: 387 - 407
Weighted mixed-norm inequality on Doob’s maximal operator and John–Nirenberg inequalities in Banach function spaces W. ChenK.-P. HoD. Zhou OriginalPaper 06 December 2018 Pages: 408 - 433
Commutativity in the lattice of topologizing filters of a ring – localization and congruences N. AregaJ. van den Berg OriginalPaper 26 February 2019 Pages: 434 - 458
On some properties of the space of upper semicontinuous functions A. V. OsipovE. G. Pytkeev OriginalPaper 02 January 2019 Pages: 459 - 464
On two sided α-n-derivation in 3-prime near-rings L. OukhtiteA. Raji OriginalPaper 06 December 2018 Pages: 465 - 477
Heron triangles with figurate number sides J. PengY. Zhang OriginalPaper 02 January 2019 Pages: 478 - 488
Homotopy investigation of classifying spaces of cobordisms of singular maps A. SzűcsT. Terpai OriginalPaper 28 February 2019 Pages: 489 - 502
On weakly semiconformally symmetric manifolds U. C. DeY. J. Suh OriginalPaper 22 October 2018 Pages: 503 - 521
A generalization of a theorem of Nagell Y. L. FengS. F. HongQ. Y. Yin OriginalPaper 03 January 2019 Pages: 522 - 536
Recurrence relation and multi-indexed polynomials of the second kind Á. P. Horváth OriginalPaper 26 February 2019 Pages: 537 - 550