Questions tagged [formal-groups]
52 questions
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Why is multiplication by $m$ map a homomorphism for formal groups?
I have started learning about formal groups defined over a R1NG, $R$. Then, I studied multiplication by $m$ map on a formal group. The definition is as follows:
Def:
Let $F$ be a formal group over $R$. Define the multiplication by $m$ map $[m](T)$…
UnsinkableSam
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'Additive Inverse' in Formal Group
The definition of a formal group is given here.
Apologies in advance if this question sounds trivial/obvious. I am still trying to wrap my head around the idea of formal group.
Suppose $F$ is a commutative formal group, there is a lemma in my course…
UnsinkableSam
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The formal group law of height $ \ 2$ or $ \ 3 $ over $\mathbb{F}_p$
I need to calculate formal group law over $\mathbb{F}_p$ of height $ \ 2$ or $ \ 3$ ?
I need the arithmetic calculation.
Please help me with a method
MAS
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