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seen Jan 29 '11 at 16:27

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Jan
27
answered Non-squarefree version of Pell's equation?
Jan
26
comment Primitive integer solutions to $2x^2+xy+3y^2=z^3$?
other than a number theory course at uni, Milne's Algebraic Number Theory notes has a few calculations like this, and it made an impression.
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25
revised Primitive integer solutions to $2x^2+xy+3y^2=z^3$?
solved second question
Jan
25
answered Primitive integer solutions to $2x^2+xy+3y^2=z^3$?
Jan
25
revised Primitive integer solutions to $2x^2+xy+3y^2=z^3$?
deleted 1509 characters in body
Jan
25
revised Primitive integer solutions to $2x^2+xy+3y^2=z^3$?
solved first question
Jan
25
revised Primitive integer solutions to $2x^2+xy+3y^2=z^3$?
edited body; edited title
Jan
25
asked Primitive integer solutions to $2x^2+xy+3y^2=z^3$?
Jan
3
comment Homogeneous binary quartic forms to elliptic curves
@Anirbit: That's orthogonal with respect to the standard quadratic form. There is an orthogonal group associated with any quadratic form: if the form is given by $x^tJy$, then the orthogonal matrices are those that satisfy $A^tJA=J$.
Jan
3
answered Homogeneous binary quartic forms to elliptic curves
Jan
2
comment Why are complex numbers necessary to prove the Prime Number Theorem?
@deeeez: Actually, he asked "why", not "if".
Jan
2
accepted Approximating the volume of the Jacobian of a hyperelliptic curve
Jan
2
comment Designing an Irrational Numbers Wall Clock
Is $2\pi+e$ known to be irrational?
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31
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