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Homotopy theory, homological algebra, algebraic treatments of manifolds.

7 votes
1 answer
372 views

Adams-Novikov spectral sequence at p = 2

Does anyone know of any computer calculations of the E2-term of the Adams-Novikov spectral sequence at p=2? I'd love to get my hands on this data.
11 votes

Explicitly construct generators of homotopy groups of spheres

The answer partly depends on your definition of "explicit generator". The Hopf maps $\eta$, $\nu$, and $\sigma$ have explicit constructions. After that, things get messier. One way to describe the …
Dan Isaksen's user avatar
10 votes
4 answers
1k views

Computing squaring operations in the Adams spectral sequence

This question is about the classical Adams spectral sequence. Squaring operations are defined on its $E_2$ term. I'd like to know how to compute some of the non-trivial operations, such as $Sq^2 ( c …