The Frobenius–Witt cotangent complex over the field with one element
The Frobenius–Witt cotangent complex over the field with one element
Let be an animated -algebra, and write for its mod- reduction. The Frobenius–Witt cotangent complex is defined over , and denotes the Frobenius endomorphism of .
Conjecture on the cotangent complex over the field of one element. There exists a functor
of -categories, together with a natural equivalence
This conjecture would extend the Frobenius–Witt cotangent complex from a complex over to a cotangent complex over , assuming the existence of the field with one element. It is motivated by the Frobenius pullback of the modulo- fundamental fiber sequence and the expected transitive fiber sequence for a conjectural map .
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Sources & referencesView supporting material
Primary source
Kanau Shimada, “Frobenius–Witt cotangent complexes”, arXiv:2605.14803 (2026).
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