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18h

comment 
Finding Riemannian metric for this geodesic
No, I think I misunderstood the question. 
23h

comment 
Finding Riemannian metric for this geodesic
These curves lie in a codimension 1 submanifold. For $d = 1$, $\gamma(t) \equiv 1$ 
Dec 21 
comment 
Can the preimage of the real points in the complex upperhalf plane of a modular elliptic curve under the modular parametrization be identified?
@ChrisWuthrich Ah, of course, thanks 
Dec 21 
comment 
Can the preimage of the real points in the complex upperhalf plane of a modular elliptic curve under the modular parametrization be identified?
@ChrisWuthrich Is it easy to see that complex conjugation corresponds to reflection in the imaginary axis? 
Dec 21 
comment 
Can the preimage of the real points in the complex upperhalf plane of a modular elliptic curve under the modular parametrization be identified?
Thanks Will! Do I understand correctly that this is what you're saying: you view $E$ as a quotient of the moduli space $X_0(N)$. Then the real locus maps to a real curve on $E(\Bbb C)$ with the property that the imaginary part of the invariant differential vanishes. On $\mathfrak H$ this differential is $2\pi if(\tau)d\tau$ up to a constant factor and the imaginary part of the differential vanishes on curves over which the imaginary part of the modular form is constant. 
Dec 21 
comment 
Can the preimage of the real points in the complex upperhalf plane of a modular elliptic curve under the modular parametrization be identified?
Thanks a lot! Indeed the formulation was very unclear, I meant points of $\mathfrak{H}$ corresponding to real points of $X_0(N)$ or mapping to real points of $E$. I edited the question to make it clearer. 
Dec 21 
revised 
Can the preimage of the real points in the complex upperhalf plane of a modular elliptic curve under the modular parametrization be identified?
minor edit 
Dec 21 
awarded  Student 
Dec 21 
asked  Can the preimage of the real points in the complex upperhalf plane of a modular elliptic curve under the modular parametrization be identified? 
May 19 
awarded  Yearling 
May 19 
revised 
Hochschild cohomology and formal smoothness
math typesetting 
May 19 
suggested  approved edit on Hochschild cohomology and formal smoothness 
Apr 28 
awarded  Necromancer 
Sep 23 
answered  Does the automorphism group of a cone determine the cone? 
May 6 
answered  Pythagorean 5tuples 
Apr 27 
answered  probability and math puzzle books/references 
Nov 29 
awarded  Enthusiast 
Sep 7 
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Sep 2 
answered  Experimental Mathematics 
Aug 9 
comment 
Math puzzles for dinner
Solution: Chg gur pbva rknpgyl va gur zvqqyr. Gura jurerire lbhe nqirefnel chgf gur pbva, chg vg ng gur fnzr cbfvgvba nsgre ebgngvba ol 180 qrterrf nebhaq gur pragre. (Guvf cbfvgvba vf nyjnlf serr). 