Rundasice

Member for 3 years, 11 months
Last seen this week

Brussels, Belgium

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functional-analysis

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Questions

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Score Activity Newest Views

5

Fundamental group of some quotient of the annulus

Jan 23, 2021

4

Evolution of the energy density under the harmonic map heat flow (The Ricci Flow in Riemannian Geometry)

Jul 18, 2022

3

Compactness of a subset of $\ell^2$

Dec 21, 2020

2

Fundamental group of a sphere with straight line joining the north and south poles

Jan 24, 2021

2

Homology of the unit ball $D^3$ with identification of boundary points by $180^\circ$ degree rotation around the vertical axis

Jan 26, 2021

Answers

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1

How to calculate the dimension of a space that is defined by symmetric matrices

Jun 11, 2021

1

Why is $D =d/dx$ an unbounded linear operator?

Aug 28, 2021

1

What is the absurd in this proof of the non completeness of ($C[0,1],\| \cdot\|_1)$

Jan 18, 2022

0

How to calculate the integral of $\vec{a}\cdot\nabla(\nabla\cdot\vec{a})$?

Apr 14, 2022

0

How to prove that $A \in B(\ell^1 , \ell^2 )$ and compute $\|A\|$

Jan 12, 2022

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functional-analysis

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linear-algebra

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matrices

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measure-theory

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Jan 18, 2022

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