An obstruction theory for A_n-algebras in stable ∞-categories is constructed, and S/4 is shown to admit an A_5-multiplication via synthetic spectra.
While the first two results are quite strong, it is still an open question whetherS/4 admits an E1-algebra structure
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.AT 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
Obstructions for Associativity in Stable Homotopy Theory
An obstruction theory for A_n-algebras in stable ∞-categories is constructed, and S/4 is shown to admit an A_5-multiplication via synthetic spectra.