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Some generalizations of a congruence by Sun and Tauraso Xiaoxia WangMenglin Yu OriginalPaper 20 November 2021 Pages: 240 - 245
Set partitions and partitions without singleton blocks of type B István MezőJosé L. Ramírez OriginalPaper 10 January 2022 Pages: 246 - 263
A note on multiple rational Fourier series H. J. KhacharR. G. Vyas OriginalPaper 20 November 2021 Pages: 264 - 274
A note on a problem of Erdős, Nathanson and Sárközy Ya-Li Li OriginalPaper 08 April 2022 Pages: 275 - 279
A Voronovskaya-type theorem in simultaneous approximation Adrian Holhoş OriginalPaper 26 November 2021 Pages: 280 - 291
On \(D(-1)\)-triples \(\{1,4p^2+1,1-p\}\) in the ring \({{\mathbb {Z}}}[\sqrt{-p}]\) with a prime p Alan FilipinMirela Jukić BokunIvan Soldo OriginalPaper 07 January 2022 Pages: 292 - 302
Formulas for Diophantine quintuples containing two pairs of conjugates in some quadratic fields Andrej DujellaZrinka FranušićVinko Petričević OriginalPaper 07 January 2022 Pages: 303 - 311
A new corrector–predictor interior-point method for symmetric cone optimization B. KheirfamN. HosseinpourH. Abedi OriginalPaper 14 January 2022 Pages: 312 - 327
Some q-supercongruences from the Bailey transformation Victor J. W. Guo OriginalPaper 03 January 2022 Pages: 328 - 335
Hilbert’s inequalities with alternating signs Chang-Jian ZhaoWing-Sum Cheung OriginalPaper 10 January 2022 Pages: 336 - 342
The impact of spatial and social structure on an SIR epidemic on a weighted multilayer network Ágnes BackhauszIstván Z. KissPéter L. Simon OriginalPaper Open access 06 January 2022 Pages: 343 - 363
Symmetric Shannon capacity is the independence number minus 1 Tamás Terpai OriginalPaper Open access 10 December 2021 Pages: 364 - 368
On the integer solutions of the Diophantine equations \(z^2=f(x)^2 \pm f(y)^2\) Yong ZhangQiongzhi Tang OriginalPaper 01 December 2021 Pages: 369 - 379
Two asymptotic distributions related to Rényi-type continued fraction expansions Gabriela Ileana SebeDan Lascu OriginalPaper 08 January 2022 Pages: 380 - 398
On the utility of Robinson–Amitsur ultrafilters. III Pasha Zusmanovich OriginalPaper 06 January 2022 Pages: 399 - 404
Abstract degenerate Volterra integro-differential equations: inverse generator problem Marko Kostić OriginalPaper 02 March 2022 Pages: 405 - 426
Fermat quartics with only trivial solutions in any odd degree number field Nguyen Xuan Tho OriginalPaper 01 December 2021 Pages: 427 - 434
Ranks and presentations of some normally ordered inverse semigroups Rita CanecoVítor H. FernandesTeresa M. Quinteiro OriginalPaper 18 March 2022 Pages: 435 - 447
Cuf products and cuf sums of (quasi-) metrizable spaces in \({\mathbf {Z}}{\mathbf {F}}\) Kyriakos KeremedisEliza Wajch OriginalPaper 05 March 2022 Pages: 448 - 473
Proofs of Guo and Schlosser’s two conjectures Chang XuXiaoxia Wang OriginalPaper 06 March 2022 Pages: 474 - 480
On the prediction of p-stationary processes Raymond Cheng OriginalPaper 02 March 2022 Pages: 481 - 505