ERRATA:
COMPUTING POWER SERIES EXPANSIONS OF MODULAR FORMS
JOHN VOIGHT AND JOHN WILLIS
This note gives errata for the article Computing power series expansions of mod- ular forms [1]. The authors thank Matthieu Rambaud.
(1) Example 3: the split real place is the first real place, so we consider F , → R by taking a = (−1 + √
5)/2 = 0.618033 . . .. The rest of the calculation remains unchanged.
References
[1] John Voight and John Willis,Computing power series expansions of modular forms(with John Willis), Computations with modular forms, eds. Gebhard B¨ockle and Gabor Wiese, Contrib. Math. Comput. Sci., vol. 6, Springer, Berlin, 2014, 331–361.
Date: September 3, 2017.
1