Formal groups arising from formal punctured ribbons

Alexander Zheglov; Denis Osipov; Herbert Kurke

arxiv: 0901.1607 · v4 · pith:UBTFDKG5new · submitted 2009-01-12 · 🧮 math.AG · math-ph· math.MP

Formal groups arising from formal punctured ribbons

Herbert Kurke , Denis Osipov , Alexander Zheglov This is my paper

classification 🧮 math.AG math-phmath.MP

keywords formalpuncturedfunctorribbonsarisingarxivconditionsgroup

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We investigate Picard functor of a formal punctured ribbon. We prove that under some conditions this functor is representable by a formal group scheme. Formal punctured ribbons were introduced in arXiv:0708.0985.

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Formal groups arising from formal punctured ribbons

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