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A Counterexample to a Conjecture of D. B. Fuks
Published online by Cambridge University Press: 20 November 2018
Extract
In [3] D. B. Fuks defined a duality of functors in the category of weak homotopy types. In general this duality is more difficult to work with than the duality of functors of the category
of pointed Kelley spaces [2]. It happens however that all so-called strong functors [2] F of
induce functors
of
, and if we denote the duality operators of
and
by
and D respectively, then there are many cases where
.
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- Copyright © Canadian Mathematical Society 1970