39 Questions

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1
66
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1
5
1
150
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4
2
77
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4
2
51
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3
1
45
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139
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3
0
43
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Show that $E_{t}=\left( \mathbf{x}_{t},\mathbf{E}_{1},\mathbf{E}_{2},\mathbf{E}_{3}\right)$ is a first order frame field along $\mathbf{x}_{t}$

Aug 26 '18 at 17:48 Mancala 366

3
2
112
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2
1
76
views

2
0
40
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Show $J_{D}^{\prime }\left( X_{t}\right) =\frac{d}{dt}J_{D}\left( X_{t}\right) =\int_{D}\left( -2H_{t}+2H_{0}\right) \lambda _{t}dM$

Nov 7 '18 at 0:33 Mancala 366
1
2
0
41
views

Show that $K=-\frac{\Delta \log \lambda }{\lambda ^{2}}$

Sep 22 '18 at 16:49 Mancala 366

2
1
56
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2
1
59
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2
1
58
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2
0
40
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The minimal surfaces immersed in $\mathbb{R}^3$ are of revolution [closed]

May 15 '18 at 0:08 Mancala 366

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2
271
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2
1
259
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1
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2
69
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1
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1
551
views

1
2
0
53
views

Hamilton's Lectures on Quaternions or Elements of Quaternions

Dec 28 '16 at 0:25 Mancala 366
1
1
vote
1
99
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1
vote
1
29
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1
vote
0
39
views

Homogeneous Space of Hyperbolic Space

Aug 21 '18 at 16:48 Mancala 366

1
vote
0
53
views

Help for a clearer solution: $k$-form $\omega$ is smooth if only if it is smooth as a map $\omega \colon M\rightarrow \Lambda ^k(M)$

Jun 13 '18 at 15:05 Mancala 366

1
vote
2
309
views

1
1
vote
1
123
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1
vote
0
25
views

What is the isometric reflection of $M∩A_t$ across $P_t$ in the poincaré model?

Jun 3 '18 at 22:41 Mancala 366
2
1
vote
1
66
views

1
vote
1
34
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1
vote
1