Very grateful to Professors Carril-Caccia, Itakura, Kimata, Kwon, Paniagua (@jordipaniagua.bsky.social), Uchida, and Yu for volunteering to translate the “Gravity for Undergrads” Chapter into Chinese, Japanese, and Spanish. We hope this is useful to many students.
ideas.repec.org/p/drx/wpaper...