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Quotients of even rings

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arxiv 1809.04723 v1 pith:O6432BWH submitted 2018-09-13 math.AT

classification math.AT
keywords evenmathbbsequenceadmitsalgebraassumptioncdotscommon
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abstract

We prove that if $R$ is an $\mathbb{E}_2$-ring with homotopy concentrated in even degrees, and $\{x_j\}$ is any sequence of elements in $\pi_{2*}(R)$, then $R/(x_1,x_2,\cdots)$ admits the structure of an $\mathbb{E}_1$-$R$-algebra. This removes an assumption, common in the literature, that $\{x_j\}$ be a regular sequence.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Tensor Nilpotence and the Size of the Bousfield Lattice

    math.AT 2026-08 conditional novelty 8.0 of 10

    For each prime p and integer n, the author builds spectra X_n with X_n^{⊗n} ≠ 0 but X_n^{⊗(n+1)} ≃ 0, refuting the Hovey-Palmieri retract conjecture and showing the Bousfield lattice has 2^{2^{ℵ_0}} elements.

  2. Syntomic cohomology of truncated Brown--Peterson spectra

    math.KT 2026-02 conditional novelty 6.0 of 10

    For every E1 MU-algebra form of BP⟨n⟩, the mod (p,v1,...,v_{n+1}) syntomic cohomology is computed, yielding redshift, telescope, and Lichtenbaum–Quillen for its algebraic K-theory.

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