1.Journal ArticleHeterotic-string amplitudes at one loop: modular graph forms and relations to open strings. Journal of high energy physics: JHEP 2019 (01), 52 (2019)
2.Journal ArticleHolomorphic subgraph reduction of higher-point modular graph forms. Journal of high energy physics: JHEP 2019 (01), 131 (2019)
3.Working PaperAll-order differential equations for one-loop closed-string integrals and modular graph forms. (2019), 54+24 pages pp.