121 research outputs found

    Some differentials in the Adams spectral sequence

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    The 2-primary Hurewicz image of tmf

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    We determine the image of the 2-primary tmf-Hurewicz homomorphism, where tmf is the spectrum of topological modular forms. We do this by lifting elements of tmf_* to the homotopy groups of the generalized Moore spectrum M(8,v_1^8) using a modified form of the Adams spectral sequence and the tmf-resolution, and then proving the existence of a v_2^32-self map on M(8,v_1^8) to generate 192-periodic families in the stable homotopy groups of spheres.Comment: 61 pages, 12 figures. v4: made corrections based on comments from referee
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