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 Chebyshevskii Sb., 2015, Volume 16, Issue 2, Pages 66–78 (Mi cheb390)

The universal formal group that defines the elliptic function of level 3

V. M. Buchstaber, E. Yu. Bunkova

Steklov Institute of Mathematics, Russian Academy of Sciences, ul. Gubkina 8, Moscow, 119991 Russia

Abstract: The classical theorem of M. Lazar (see [1]) on the structure of the ring of coefficients of the universal formal group is a key result of the theory of one-dimensional formal groups. The discovery of the formal group of geometric cobordisms ([2], [3]) and D. Quillen's theorem ([4]) that it can be identified with the universal formal group allowed to introduce the theory of formal groups in the apparatus of algebraic topology, including the apparatus of the theory of Hirzebruch genera. Due to this there has been a widely-known fundamental mutual penetration of methods and results of algebraic topology, (see [5]), algebraic geometry, the theory of functional equations and mathematical physics.
Important applications in algebraic topology found results of the theory of elliptic functions and Baker–Akhiezer functions, which play a fundamental role in the modern theory of integrable systems.
The construction of universal formal groups of given form, with exponents given by these functions, became actual. Known results in this direction use both classic and recently obtained addition theorems, that determine the form of formal groups.
In this paper we solved a long standing problem: we have found the form of universal formal group the exponent of which is the elliptic function of level 3. We have obtained results on the coefficient ring of this group and described its relationship with known universal formal groups.
Bibliography: 15 titles.

Keywords: formal groups, elliptic function of level 3.

 Funding Agency Grant Number Russian Science Foundation 14-11-00414

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UDC: 512.741

Citation: V. M. Buchstaber, E. Yu. Bunkova, “The universal formal group that defines the elliptic function of level 3”, Chebyshevskii Sb., 16:2 (2015), 66–78

Citation in format AMSBIB
\Bibitem{BucBun15} \by V.~M.~Buchstaber, E.~Yu.~Bunkova \paper The universal formal group that defines the elliptic function of level~3 \jour Chebyshevskii Sb. \yr 2015 \vol 16 \issue 2 \pages 66--78 \mathnet{http://mi.mathnet.ru/cheb390} \elib{https://elibrary.ru/item.asp?id=23614003} 

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This publication is cited in the following articles:
1. V. M. Buchstaber, I. V. Netay, “Hirzebruch Functional Equation and Elliptic Functions of Level $d$”, Funct. Anal. Appl., 49:4 (2015), 239–252
2. E. Yu. Bunkova, V. M. Buchstaber, A. V. Ustinov, “Coefficient rings of Tate formal groups determining Krichever genera”, Proc. Steklov Inst. Math., 292 (2016), 37–62
3. E. Yu. Bunkova, “Elliptic function of level $4$”, Proc. Steklov Inst. Math., 294 (2016), 201–214
4. A. V. Ustinov, “Buchstaber Formal Group and Elliptic Functions of Small Levels”, Math. Notes, 102:1 (2017), 81–91
5. A. V. Ustinov, “On Formal Buchstaber Groups of Special Form”, Math. Notes, 105:6 (2019), 894–904
6. E. Yu. Bunkova, “Universal Formal Group for Elliptic Genus of Level $N$”, Proc. Steklov Inst. Math., 305 (2019), 33–52
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