Periodic traveling waves in the system of linearly coupled nonlinear oscillators on 2D-lattice
pp. 1–13: Abstract, GZIP-PS (398 KiB), PDF (407 KiB)
Cyclic congruences of slim semimodular lattices and non-finite axiomatizability of some finite structures
pp. 15–33: Abstract, GZIP-PS (542 KiB), PDF (525 KiB)
The Ribes-Zalesskii property of some one relator groups
pp. 35–47: Abstract, GZIP-PS (447 KiB), PDF (462 KiB)
A half-space type property in the Euclidean sphere
pp. 49–63: Abstract, GZIP-PS (464 KiB), PDF (461 KiB)