Engineering↗
Isogenies and Endomorphism Rings
Isogenies as maps of curves respecting the group law, and the two possible endomorphism rings over a field of characteristic zero.
Every page in the KEVOS library tagged isogeny. 2 pages.
Isogenies as maps of curves respecting the group law, and the two possible endomorphism rings over a field of characteristic zero.
Modular functions, modular equations relating j-invariants of isogenous curves, and their use in locating isogenies.