Writings

Note of ‘The Chow t-structure on the ∞-category of motivic spectra’.

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This is a read note of ‘The Chow t-structure on the $\infty$-category of motivic spectra’.I summarized the main content of this paper and organized its logical flow to facilitate the audience’s understanding of the technical details discussed in the subsequent reports.

Note of ‘The special fiber of the motivic deformation of the stable homotopy category is algebraic’.

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This is a read note of ‘The special fiber of the motivic deformation of the stable homotopy category is algebraic’. In this note, I give a summary of the theoretical part of this paper: according to the equivalence between some parts of the $E_2$-pages of two spectral sequences the authors found by computation, an equivalence between two $\infty$-categories which induces the equivalence between two spectral sequences is found. This result shows us a new way of computing the differentials in the Adams spectral sequences.

Spectral sequence calculation for unstable $v_n$-periodic homotopy groups of spheres.

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Besides reviewing historical development and prerequisites, we present the main ingredients needed for calculations with spectral sequences for this purpose. These include the Bousfield-Kuhn functor, the Goodwillie tower and so on. We then outline current approaches to running such spectral sequences from cohomology to homotopy, as well as indicate specific questions to investigate.