Every set is “symmetric” for some function

Articles in the same Issue

1. Strong NMV-algebras, commutative basic algebras and naBL-algebras
2. Coherence classes of ideals of normal lattices with applications to C(X)
3. Extent partitions and context extensions
4. Nonsingular bilinear forms on direct sums of ideals
5. On Ramanujan sums over the Gaussian integers
6. Infinite families of recursive formulas generating power moments of Kloosterman sums: O −(2n,2r) case
7. TN-groupoids
8. Extremal solutions of Cauchy problems for abstract fractional differential equations
9. On the measurability of functions with quasi-continuous and upper semi-continuous vertical sections
10. Existence of periodic solutions for sublinear second order dynamical system with (q, p)-Laplacian
11. A new periodicity concept for time scales
12. Λ-strongly summable sequence spaces in n-normed spaces defined by ideal convergence and an Orlicz function
13. On the boundedness of the maximal operators of double Walsh-logarithmic means of Marcinkiewicz type
14. Some paranormed Euler sequence spaces of difference sequences of order m
15. Spaces of lower semicontinuous set-valued maps
16. Fixed point results for mappings satisfying (ψ φ)-weakly contractive condition in ordered partial metric spaces
17. Vector fields on certain quotients of complex Stiefel manifolds
18. Every set is “symmetric” for some function