Japanese journal of mathematics. New series
Online ISSN : 1861-3624
Print ISSN : 0289-2316
A note on extensions of algebraic and formal groups, V
Tsutomu SEKIGUCHINoriyuki SUWA
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JOURNAL FREE ACCESS

2003 Volume 29 Issue 2 Pages 221-284

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Abstract
We give an explicit description of homomorphisms and extensions of group schemes and formal groups, related to deformations connecting the multiplicative group and the additive group.
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© The Mathematical Society of Japan
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