Odd-prime transchromatic shearing conjecture for equivariant spectral sequences

Let pp be an odd prime, let h=m(p1)pn1h=m(p-1)p^{n-1}, and consider the CpnC_{p^n}-action on the Lubin–Tate spectrum EhE_h and the induced Cpn/CpC_{p^n}/C_p-action on Eh/pE_{h/p}. Let tst-s denote the usual filtration-adjusted degree in the relevant spectral sequences, and let drd_r denote the rr-th differential.

Odd-prime transchromatic shearing conjecture. There is a shearing isomorphism

dpr1drd_{p\cdot r-1}\leftrightsquigarrow d_r

between the CpnC_{p^n}-spectral sequence of EhE_h on or above the line of slope p1p-1 within ts0t-s\geq 0, and the Cpn/CpC_{p^n}/C_p-spectral sequence of Eh/pE_{h/p} within ts0t-s\geq 0.

This would extend the cyclic transchromatic isomorphism phenomenon from the prime 22 to odd primes. The source explicitly leaves some terminology vague, and no proof or resolution is supplied in the given context.

Sources & referencesView supporting material

Primary source

Lennart Meier, XiaoLin Danny Shi and Mingcong Zeng, “Transchromatic phenomena in the equivariant slice spectral sequence”, arXiv:2403.00741 (2024).

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