Question

Continuous extension of $f(x)/x$

score 171 · Answer 1 · 2019-06-27 22:46:15

171

Views

Continuous extension of $f(x)/x$

Published on 27 Jun 2019 - 22:46

score 157 · Answer 2 · 2019-06-29 21:34:55

157

Views

Is the inclusion $i : A \to M$ smooth even if $A$ is not a submanifold?

Published on 29 Jun 2019 - 21:34

score 36 · Answer 3 · 2019-07-05 06:52:48

36

Views

Is the smooth function on Euclidean space still smooth on Riemannian manifold? or for embedd manifold in Euclidean space

Published on 05 Jul 2019 - 6:52

score 874 · Answer 4 · 2019-07-05 20:20:19

874

Views

Exercise of smooth maps in a product of smooth manifolds

Published on 05 Jul 2019 - 20:20

score 98 · Answer 5 · 2019-07-09 10:06:33

98

Views

Smooth functions on preimage of a regular value

Published on 09 Jul 2019 - 10:06

score 71 · Answer 6 · 2019-07-17 15:59:23

71

Views

Why does the smoothness of an induced map between manifolds depend on whether the image is a regular submanifold?

Published on 17 Jul 2019 - 15:59

score 84 · Answer 7 · 2026-03-26 09:38:59

84

Views

Find a smooth function $\eta:\mathbb{C}\to\mathbb{R}$ whose support is a disk.

Published on 26 Mar 2026 - 9:38

score 106 · Answer 8 · 2026-03-25 17:52:49

106

Views

Reduction step in Theorem 1.9 of Conway's Complex Analysis

Published on 25 Mar 2026 - 17:52

score 35 · Answer 9 · 2019-07-22 13:54:30

35

Views

Convergence to a function in $W^{1,N}_{0}$ after multiplying with other function and taking integral

Published on 22 Jul 2019 - 13:54

score 105 · Answer 10 · 2019-07-23 15:07:32

105

Views

Extend $f\in C^\infty(0,\infty)$ to a $C^\infty$ function on $\mathbb R$ and $\lim_{x\to 0^+} f^{(k)}(x)=c_k$

Published on 23 Jul 2019 - 15:07

score 452 · Answer 11 · 2019-07-23 17:04:51

452

Views

Diffeomorphisms between subsets of $\mathbb{R}^n$

Published on 23 Jul 2019 - 17:04

score 351 · Answer 12 · 2019-07-25 03:35:24

351

Views

Smoothness of a function and "sharp" points in its graph: Intuitions

Published on 25 Jul 2019 - 3:35

score 73 · Answer 13 · 2019-07-26 09:06:33

73

Views

Evaluate the smoothness of a parametric unknown nonlinear function

Published on 26 Jul 2019 - 9:06

score 167 · Answer 14 · 2019-07-30 00:26:52

167

Views

How well-behaved are $C^{\infty}$ functions?

Published on 30 Jul 2019 - 0:26

score 99 · Answer 15 · 2019-07-31 04:23:42

99

Views

Is $f \in C^k$ smooth if and only if any if its derivatives are smooth?

Published on 31 Jul 2019 - 4:23

List Question

Continuous extension of $f(x)/x$

Is the inclusion $i : A \to M$ smooth even if $A$ is not a submanifold?

Is the smooth function on Euclidean space still smooth on Riemannian manifold? or for embedd manifold in Euclidean space

Exercise of smooth maps in a product of smooth manifolds

Smooth functions on preimage of a regular value

Why does the smoothness of an induced map between manifolds depend on whether the image is a regular submanifold?

Find a smooth function $\eta:\mathbb{C}\to\mathbb{R}$ whose support is a disk.

Reduction step in Theorem 1.9 of Conway's Complex Analysis

Convergence to a function in $W^{1,N}_{0}$ after multiplying with other function and taking integral

Extend $f\in C^\infty(0,\infty)$ to a $C^\infty$ function on $\mathbb R$ and $\lim_{x\to 0^+} f^{(k)}(x)=c_k$

Diffeomorphisms between subsets of $\mathbb{R}^n$

Smoothness of a function and "sharp" points in its graph: Intuitions

Evaluate the smoothness of a parametric unknown nonlinear function

How well-behaved are $C^{\infty}$ functions?

Is $f \in C^k$ smooth if and only if any if its derivatives are smooth?

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