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19952011
most citedA proof of the S-genus identities for ternary quadratic forms

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math.NT2009

Ternary Quadratic Forms, Modular Equations and Certain Positivity Conjectures

Alexander Berkovich, William Jagy

We show that many of Ramanujan's modular equations of degree 3 can be interpreted in terms of integral ternary quadratic forms. This way we establish that for any n in N |{n= x(x+1…