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Results tagged with formal-groups
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user 163893
3
votes
2
answers
339
views
Some special subgroups of formal groups
Let $G$ be a 1-dimensional, commutative formal group over a ring $R$. Give $G$ a coordinate $x$ and let $A\subset R$ be the subring generated by the coefficients of the corresponding formal group law …
- 2,052
12
votes
1
answer
281
views
Is every complex oriented ring spectrum with additive FGL an Eilenberg-Maclane spectrum?
Suppose $E$ is a complex-oriented ring spectrum whose formal group law is isomorphic to the additive one. As the title suggests, we might as well change the complex orientation so that the formal grou …
- 2,052
4
votes
Accepted
Is every complex oriented ring spectrum with additive FGL an Eilenberg-Maclane spectrum?
This is an answer to the question in the title, which is what I had meant to ask: is an $E$ as in the question body an $H\mathbb{Z}$-module? (the last sentence of the question body is stronger and lik …
- 2,052