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math.AT2026
Logarithm of the Universal Two-Valued Formal Group
Victor Buchstaber, Mikhail Kornev
We solve the long-standing problem of determining the exact denominators of the coefficients of the logarithm , obtained from the universal formal g…
math.AT2026
Buchstaber, Ochanine, Krichever, and Witten Genera
Mikhail Kornev
We introduce a new class of one-dimensional commutative formal group laws with formal inverse whose modulus square construction yields Buchstaber's family of polynomial…