Assertion: elliptic curve | /r/HasAspect | a zero
Facets:
value: at 1
type: TEMPORAL
Source sentences:
text: Assuming the Birch and Swinnerton-Dyer conjecture, is the area of a right triangle with rational side lengths (a congruent number) if and only if the number of triplets of integers ( , , ) satisfying Tunnell, is related to the fact that is a congruent number if and only if the elliptic curve -function has a zero at 1).