Necessary and sufficient conditions for the ℍ-differentiability of quaternion functions

Articles in the same Issue

1. Frontmatter
2. I₂(u)-convergence of double sequences of order (α,β)
3. Regular elements of the complete semigroups of binary relations of the class Σ₆(X,8)
4. On the limit properties of maximal likelihood estimators in a Hilbert space
5. Shadowing and average shadowing properties for iterated function systems
6. On almost increasing and quasi monotone sequences
7. An unabelian version of the Voronov higher bracket construction
8. Necessary and sufficient conditions for the ℍ-differentiability of quaternion functions
9. k-step nilpotent Lie algebras
10. An optimal control problem for a system of linear hyperbolic differential equations with constant coefficients
11. On topologies in the family of sets with the Baire property
12. On some inequalities for functions whose absolute values of the second derivatives are α-, m-, (α,m)-logarithmically convex
13. On the cardinalities of at-sets in a real Hilbert space
14. Higher-order Bernoulli and poly-Bernoulli mixed type polynomials
15. On the existence of solutions for nonlocal boundary value problems
16. fp_n-injective and fp_n-flat modules
17. Algebroid functions with given Borel points