List questions from analysis

Published on 09 Apr 2026 - 3:29

585

Views

Difference between closure and closed cover of a set

Published on 13 Apr 2026 - 12:41

60

Views

Subharmonic inequality 4

Published on 14 Apr 2026 - 7:35

214

Views

Weak solutions of initial value problem of conservation laws with $L^{\infty}$ initial data

Published on 20 Apr 2026 - 20:56

143

Views

Show that a function of two arguments, which is uniformly Hölder continuous on compact subsets, is jointly continuous

Published on 09 Apr 2026 - 21:51

330

Views

Differential equation for Hamiltonian

Published on 11 Apr 2026 - 10:29

71

Views

Has the following IVP unique solution?

Published on 14 Apr 2026 - 10:14

136

Views

Convergence of decreasing decrements of sequences

Published on 14 Apr 2026 - 14:58

603

Views

Why is $(C([a,b]),||\cdot||_{1})$ not complete?

Published on 16 Apr 2026 - 9:24

54

Views

Preservence of CPD (conditionally positive definiteness) under infinite integral

Published on 13 Apr 2026 - 15:47

301

Views

Applying the generalised Leibniz rule multi-index form

Published on 11 Apr 2026 - 3:08

132

Views

Proving continuity at $0$ for $f(x,y)=\dfrac{x^2y}{x^2+y^2}$

Published on 15 Apr 2026 - 4:50

96

Views

Solve $\dot y+y\sin t=\sin^3 t,\ y(0)=1$

Published on 16 Apr 2026 - 2:01

29

Views

If $\alpha:(-1,1)\to O(n,\mathbb R)$ be a smooth map, then what can we say about $\alpha'(0)$?

Published on 14 Apr 2026 - 5:10

532

Views

Infinite sum of analytic functions becomes non-analytic

Published on 17 Apr 2026 - 9:25

List Question

Why do I need partitions of unity to define Sobolev norms on compact manifolds?

Difference between closure and closed cover of a set

Subharmonic inequality 4

Weak solutions of initial value problem of conservation laws with $L^{\infty}$ initial data

Show that a function of two arguments, which is uniformly Hölder continuous on compact subsets, is jointly continuous

Differential equation for Hamiltonian

Has the following IVP unique solution?

Convergence of decreasing decrements of sequences

Why is $(C([a,b]),||\cdot||_{1})$ not complete?

Preservence of CPD (conditionally positive definiteness) under infinite integral

Applying the generalised Leibniz rule multi-index form

Proving continuity at $0$ for $f(x,y)=\dfrac{x^2y}{x^2+y^2}$

Solve $\dot y+y\sin t=\sin^3 t,\ y(0)=1$

If $\alpha:(-1,1)\to O(n,\mathbb R)$ be a smooth map, then what can we say about $\alpha'(0)$?

Infinite sum of analytic functions becomes non-analytic

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