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Norms and Transfers in Motivic Homotopy Theory (2305.12684v2)
Published 22 May 2023 in math.KT, math.AG, and math.AT
Abstract: In this article, we establish the compatibility between norms and transfers in motivic homotopy theory. More precisely, we construct norm functors for motivic spaces equipped with various flavours of transfer. This yields a norm monoidal refinement of the infinite $\mathbb{P}1$-delooping machine of Elmanto-Hoyois-Khan-Sosnilo-Yakerson. We apply this refinement to construct a normed algebra structure on the very effective Hermitian $\mathrm{K}$-theory spectrum.