The Multiplication on BP
Maria Basterra, Michael A. Mandell
TL;DR
This paper discusses the multiplication structure on BP, an E_4 ring spectrum, emphasizing the uniqueness of its E_4 structure up to automorphism.
Contribution
It establishes the uniqueness of the E_4 structure on BP up to automorphism, clarifying its algebraic properties.
Findings
BP has a unique E_4 ring spectrum structure up to automorphism
The E_4 structure on BP is canonical and well-defined
Implications for the algebraic topology of ring spectra
Abstract
BP is an E_4 ring spectrum. The E_4 structure is unique up to automorphism.
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