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miraunpajaro
  • Member for 4 years, 3 months
  • Last seen more than a week ago
8 votes
2 answers
107 views

On existence of subset of $\mathbb{R}^{n}$ homemorphic to $\mathbb{S}^n$

7 votes
0 answers
117 views

Question about hodge star operation and basis orientation

4 votes
1 answer
75 views

On Euler-Lagrange equations

4 votes
1 answer
101 views

Prove isomorphism between universal enveloping algebras

3 votes
1 answer
87 views

Computing Lie algebra of semidirect product

3 votes
0 answers
645 views

Geodesics on paraboloid self-interesect in an infinite number of points

3 votes
1 answer
156 views

Show that if Y is transcendental over a field K, and F is a field with $K\subset F\subset K(Y)$ and $K\neq F$ then Y is algebraic on F

2 votes
2 answers
46 views

Integer solutions to a system equations

2 votes
0 answers
205 views

On motivation for symplectic topology

2 votes
1 answer
26 views

Uniform convergence of $x^k\sin(\frac{\pi}{2}x)$

2 votes
1 answer
52 views

Almost complex structure invariant by hamiltonian action

1 vote
1 answer
66 views

Conformal mapping form triangle region to disk

1 vote
2 answers
58 views

Projection of a lattice need not be a lattice

1 vote
0 answers
53 views

Crank-Nicolson method for the heat equation should preserve mass

1 vote
1 answer
90 views

Holomorphic function from the unit ball to the unit square

1 vote
0 answers
32 views

Confusion about Kähler condition

1 vote
0 answers
28 views

Confusion about calculation involving E-L and Hamilton equations

1 vote
1 answer
99 views

Clarification about differentiable functions on manifolds

1 vote
1 answer
68 views

Question of total variation of functions

1 vote
2 answers
253 views

Conjugacy classes of a group of order $8k$

1 vote
1 answer
76 views

Rational polynomial of degree n with n-2 real roots, 2 complex roots and Galois group not being $S_n$

0 votes
1 answer
35 views

On matrix products from Lagrangian subspaces

0 votes
1 answer
37 views

Rewriting xyz as combination of squares

0 votes
1 answer
165 views

Every group of order 440 is solvable

0 votes
1 answer
46 views

Show property of compact operators over Hilbert spaces

0 votes
1 answer
72 views

Cardinal of all well-orders of $\mathbb{N}$ [duplicate]

0 votes
2 answers
76 views

Prove or disprove collection is a set

0 votes
1 answer
65 views

Question about the Bolyai-Gerwien theorem

0 votes
1 answer
61 views

Show that $\{\theta_i\}$ is a differentiable partition of unity, then $\sum i\theta_i$ is a proper map

0 votes
0 answers
29 views

On locally injectivity of continous $g(x,y,t)=f(x,y+t)$ with $f:\mathbb{R}^2\rightarrow\mathbb{R}^3$ continous