The shape of planar smooth gestures and the convergence of a gesture recognizer Lorenzo LuzziPaolo Roselli OriginalPaper 09 March 2020 Pages: 219 - 233
Inequalities for trigonometric sums and applications Horst AlzerMan Kam Kwong OriginalPaper 06 June 2019 Pages: 235 - 251
A combinatorial identity for rooted labeled forests Benjamin Hackl OriginalPaper Open access 06 July 2019 Pages: 253 - 257
Bounded or unbounded solutions of a functional equation with nonautonomous iteration Xiao TangWeinian Zhang OriginalPaper 03 January 2020 Pages: 259 - 275
A note on Jordan derivations of triangular rings Ajda FošnerWu Jing OriginalPaper 15 October 2019 Pages: 277 - 285
Alienation of two general linear functional equations Tomasz Szostok OriginalPaper Open access 20 July 2019 Pages: 287 - 301
An extension of Levin–Stečkin’s theorem to uniformly convex and superquadratic functions Marek Niezgoda OriginalPaper Open access 05 September 2019 Pages: 303 - 321
Hölder-topology of the Heisenberg group Armin Schikorra OriginalPaper 20 January 2020 Pages: 323 - 343
A combinatorial proof for the relation between the exponential function and the logarithmic function Ayaka IshikawaHideaki Morita OriginalPaper 21 January 2020 Pages: 345 - 354
The conditional distributivity of nullnorms over uninorms Xiaodong HouGang Li OriginalPaper 30 January 2020 Pages: 355 - 368
On a generalisation of the Skitovich–Darmois theorem for several linear forms on Abelian groups Gennadiy Feldman OriginalPaper 02 August 2019 Pages: 369 - 380
Sandwich results for periodicity and conjugacy Janusz MatkowskiPaweł Wójcik OriginalPaper Open access 17 February 2020 Pages: 381 - 391
When is a spherical body of constant diameter of constant width? Marek Lassak OriginalPaper Open access 20 January 2020 Pages: 393 - 400