Complexity of curves
Tom 182 / 2004
Fundamenta Mathematicae 182 (2004), 79-93
DOI: 10.4064/fm182-1-4
Streszczenie
We show that each of the classes of hereditarily locally connected, finitely Suslinian, and Suslinian continua is $\Pi_1^1$-complete, while the class of regular continua is $\Pi_0^4$-complete.
