Connectivity of diagonal products of Baire one functions
Tom 146 / 1994
Fundamenta Mathematicae 146 (1994), 21-29
DOI: 10.4064/fm-146-1-21-29
Streszczenie
We characterize those Baire one functions f for which the diagonal product x → (f(x), g(x)) has a connected graph whenever g is approximately continuous or is a derivative.
