kq-resolutions I

Let kq denote the very effective cover of Hermitian K-theory. We apply the kq-based motivic Adams spectral sequence, or kq-resolution, to computational motivic stable homotopy theory. Over base fields of characteristic not two, we prove that the n-th stable homotopy group of motivic spheres is detec...

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Veröffentlicht in:Transactions of the American Mathematical Society 2021-07, Vol.374 (7), p.4655-4710
Hauptverfasser: Culver, Dominic Leon, Quigley, J. D.
Format: Artikel
Sprache:eng
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Zusammenfassung:Let kq denote the very effective cover of Hermitian K-theory. We apply the kq-based motivic Adams spectral sequence, or kq-resolution, to computational motivic stable homotopy theory. Over base fields of characteristic not two, we prove that the n-th stable homotopy group of motivic spheres is detected in the first n lines of the kq-resolution, thereby reinterpreting results of Morel and Röndigs-Spitzweck-Østvær in terms of kq and kq-cooperations. Over algebraically closed fields of characteristic 0, we compute the ring of kq-cooperations modulo v_1-torsion, establish a vanishing line of slope 1/5 in the E_2-page, and completely determine the 0- and 1-lines of the kq-resolution. This gives a full computation of the v_1-periodic motivic stable stems and recovers Andrews and Miller’s calculation of the \eta-periodic \mathbb {C}-motivic stable stems. We also construct a motivic connective j spectrum and identify its homotopy groups with the v_1-periodic motivic stable stems. Finally, we propose motivic analogs of Ravenel’s Telescope and Smashing Conjectures and present evidence for both.
ISSN:0002-9947
1088-6850
DOI:10.1090/tran/8367