2020
In memoriam Gyula Pap (1954-2019)
Mátyás Barczy
Gradient estimates for some evolution equations on complete smooth metric measure spaces
Nguyen Thac Dung, Kieu Thi Thuy Linh and Ninh Van Thu
Hermite Ornstein—Uhlenbeck processes mixed with a Gamma distribution
Soukaina Douissi, Khalifa Es-Sebaiy and Ciprian A. Tudor
Classification of 3-dimensional Landsbergian $(\alpha,\beta)$-metrics
Akbar Tayebi and Behzad Najafi
Sincov's inequalities on topological spaces
Wlodzimierz Fechner
RS rings and their applications
Cang Wu and Liang Zhao
Goormaghtigh's equation: small parameters
Michael A. Bennett, Ben Garbuz and Adam Marten
The Diophantine equation $(x+1)^k+(x+2)^k+\cdots+(\ell x)^k=y^n$ revisited
Daniele Bartoli and Gokhan Soydan
Bounds for the spectrum of a two-parameter eigenvalue problem in a Hilbert space
Michael Gil'
Coefficient estimates on general compact sets
Vilmos Totik
On the residual of a finite group with semi-subnormal subgroups
Alexander Trofimuk
On properties of the minus partial order in regular modules
Burcu Ungor, Sait Halicioglu, Abdullah Harmanci and Janko Marovt
Descartes' rule of signs and moduli of roots
Vladimir Petrov Kostov
Reducibility of polynomials after a polynomial substitution
Paulius Drungilas and Arturas Dubickas
Oscillation of even-order nonlinear differential equations with sublinear and superlinear neutral terms
John R. Graef, Said R. Grace and Ercan Tunc
Radius and concurrent vector fields in spray and Finsler geometry
Mike Crampin
Obtaining algebrability in subsets of real functions
J. Fernandez-Sanchez, G. A. Munoz-Fernandez, D. L. Rodriguez-Vidanes and J. B. Seoane-Sepulveda
Linear maps that preserve matrices annihilated at some fixed vector by a polynomial of degree two
Constantin Costara
Additive maps preserving semi-Fredholm operators with bounded ascent on $\mathcal{B}(\mathcal{X})$
Weijuan Shi and Guoxing Ji
Finite groups whose conjugacy class sizes of primary and biprimary elements are Hall numbers
Changguo Shao and Qinhui Jiang
A two-dimensional Gauss—Kuzmin theorem for $N$-continued fraction expansions
Gabriela Ileana Sebe and Dan Lascu
Congruences involving binomial coefficients and Apéry-like numbers
Zhi-Hong Sun
Multilinear strong maximal operators on weighted mixed norm spaces
Juan Zhang and Qingying Xue
Complete surfaces with zero curvatures in conformally flat spaces
Kellcio Araujo, Armando Corro, Romildo Pina and Marcelo Souza
A sparse domination for the Marcinkiewicz integral with rough kernel and applications
Xiangxing Tao and Guoen Hu
Strong arithmetic property of certain Stern polynomials
Maciej Ulas
A remark on an algorithm for testing Pisot polynomials
Toufik Zaïmi
Core-EP inverse in rings with involution
Dijana Mosić
A functional bound for Young's cosine polynomial. II.
Jolie Zhi Yi Fong, Tuo Yeong Lee, Raghavendra Narayan Rao and Pei Xian Wong
Finite non-nilpotent groups with two conjugacy classes of non-normal non-cyclic subgroups
Rolf Brandl, Zahra Rezazadeh and Bijan Taeri
Maximal normal subgroups of the automorphism groups of free nilpotent groups
Vladimir A. Tolstykh
Menon-type identities again: A note on a paper by Li, Kim and Qiao
Pentti Haukkanen and László Tóth
On $k$-antichains in the unit $n$-cube
Christos Pelekis and Václav Vlasák
On clp-paracompact spaces
Francisco Gallego Lupiáñez
The collapsibility of CAT(0) square $2$-complexes
Ioana-Claudia Lazăr
The isomorphism problem of unitary subgroups of modular group algebras
Zsolt Balogh and Victor Bovdi
$\mathcal{N}(p,q,s)$-type spaces in the unit ball of $\mathbb{C}^n$. III. Various characterizations
Bingyang Hu and Songxiao Li
Torsion growth over cubic fields of rational elliptic curves with complex multiplication
Enrique González-Jiménez
Perfect numerical semigroups with embedding dimension three
María Angeles Moreno-Frías and José Carlos Rosales
The critical point equation on Kenmotsu and almost Kenmotsu manifolds
Dhriti Sundar Patra, Amalendu Ghosh and Arindam Bhattacharyya
Products of $k$-Fibonacci numbers which are rep-digits
Adel Alahmadi, Alaa Altassan, Florian Luca and Hatoon Shoaib
Riccati technique and oscillation constant for modified Euler type half-linear equations
Petr Hasil, Jaroslav Jaroš and Michal Veselý
Einstein—Randers metrics on compact simple Lie groups
Xiaosheng Li, Huibin Chen and Zhiqi Chen
New congruences on multiple harmonic sums and Bernoulli numbers
Liuquan Wang
Monotonicity, convexity and inequalities related to complete $(p,q,r)$-elliptic integrals and generalized trigonometric functions
Li Yin, Xiu-Li Lin and Feng Qi
The flatness of a class of ternary cyclotomic polynomials
Bin Zhang
Lie-central derivations, Lie-centroids and Lie-stem Leibniz algebras
Guy Roger Biyogmam, José Manuel Casas and Natália Pacheco Rego
Tangent prolongation of $\mathcal{C}^r$-differentiable loops
Ágota Figula and Péter T. Nagy
On the $c$-nilpotent multiplier of a pair of Lie algebras
Hesam Safa, Homayoon Arabyani and Morteza Norouzi
Modified defect relations of the Gauss map of a complete minimal surface on annular ends
Pham Hoang Ha and Nguyen Hoang Trang
Conformal vector fields on vector bundle manifolds with spherically symmetric metrics
Mohamed Tahar Kadaoui Abbassi and Ibrahim Lakrini
On the almost everywhere convergence of multiple Fourier series of square summable functions
Ushangi Goginava and Giorgi Oniani
Irreducibility criteria for compositions of multivariate polynomials over arbitrary fields
Anca Iuliana Bonciocat, Nicolae Ciprian Bonciocat, Yann Bugeaud, Mihai Cipu and Maurice Mignotte
Complete solutions of certain Lebesgue—Ramanujan—Nagell type equations
Kalyan Chakraborty, Azizul Hoque and Richa Sharma
On a class of strongly regular signed graphs
Tamara Koledin and Zoran Stanić
The structures of dual modules over formal triangular matrix rings
Lixin Mao
On Finsler surfaces that are both Douglas and generalized Berwald
Nina Bartelmess and Julius Lang
On Wigner's theorem in strictly convex normed spaces
Dijana Ilišević and Aleksej Turnšek
Amenability and harmonic $L^p$-functions on hypergroups
Mehdi Nemati and Zhila Sohaei
Randers spaces and C-reducibility
Mike Crampin
A general version of Beltrami's theorem in Finslerian setting
Ioan Bucataru and Georgeta Creƫu
Some geometric correspondences for homothetic navigation
Ming Xu, Vladimir S. Matveev, Ke Yan and Shaoxiang Zhang
On a property of additive complements
Jin-Hui Fang and Jie Ma
On the $n$-iso-autoclinism of groups
Behnaz Tolue and Amin Rafiei
On a new type of products of finite groups
Mohamed Asaad
On the determinant of general pentadiagonal matrices
Carlos M. da Fonseca and László Losonczi
Corrigendum to: ''Bounds for the solutions of $S$-unit equations and decomposable form equations. II.'', Publ. Math. Debrecen, 94 (2019), 507-526
Kálmán Győry