Abstract
We show that the sectional category of a non trivial fibration $p$ with fibre $ K(\mathbb{Q}, 2k) $ has sectional category $1$ although all $n$-fold fibre joins $ p * \dotsb * p $ are not trivial.
Citation
J. B. Gatsinzi. "Sectional category of fibrations of fibre $ K(\mathbb{Q}, 2k)$." Bull. Belg. Math. Soc. Simon Stevin 12 (1) 65 - 71, April 2005. https://doi.org/10.36045/bbms/1113318130
Information