Divisibility of Generalized Exponential and Logarithmic Coefficients

Donald M. Davis
1990 Proceedings of the American Mathematical Society  
We prove that for isomorphic formal group laws, the maximal ppower in the denominators of certain collections of coefficients of powers of their exponential series are equal. These numbers are significant in algebraic topology.
doi:10.2307/2048020 fatcat:aeqr4qdy35gctlawp2rtmobgk4