List questions from normed-spaces

Published on 10 Apr 2026 - 22:46

271

Views

The condition number of the matrix

Published on 10 Apr 2026 - 11:13

144

Views

Why the dual norm of a normed vector space is defined on the supremum on $||x||\leq 1$?

Published on 19 May 2020 - 8:48

50

Views

Convergence of polynomial to $0$ in uniform norm in relation with convergence to $0$ of its coefficients

Published on 11 Apr 2026 - 20:59

281

Views

Bounding 2-norm of powers of a matrix

Published on 26 Mar 2026 - 9:42

30

Views

Why a single paren in vector norm notation?

Published on 19 May 2020 - 17:54

53

Views

Spectral norm of Jordan basis

Published on 29 Mar 2026 - 21:53

51

Views

Power of a bounded linear map nullify each point implies the power is eventually zero

Published on 03 Apr 2026 - 15:08

672

Views

Definition of $\ell^p$ space and some confusions with norm

Published on 12 Apr 2026 - 10:15

53

Views

Show that infinitely many vector norms induce the same matrix norm

Published on 26 Mar 2026 - 6:10

203

Views

Showing well-posedness of PDE by energy estimate

Published on 12 Apr 2026 - 9:22

54

Views

Law of cosines in normed spaces which are not inner product spaces?

Published on 09 Apr 2026 - 23:08

94

Views

Maximization inequality for Frobenius norm after adding orthogonal matrix

Published on 24 May 2020 - 3:01

172

Views

Can this $2 \times 2$ matrix provide a contraction with respect to some norm?

Published on 25 Mar 2026 - 12:54

35

Views

$(x,y)$ pairs in lattice $Z^2$ that are co-prime with euclidean-norm at most $k$

Published on 26 Mar 2026 - 17:33

List Question

Inequality about two inner product?

The condition number of the matrix

Why the dual norm of a normed vector space is defined on the supremum on $||x||\leq 1$?

Convergence of polynomial to $0$ in uniform norm in relation with convergence to $0$ of its coefficients

Bounding 2-norm of powers of a matrix

Why a single paren in vector norm notation?

Spectral norm of Jordan basis

Power of a bounded linear map nullify each point implies the power is eventually zero

Definition of $\ell^p$ space and some confusions with norm

Show that infinitely many vector norms induce the same matrix norm

Showing well-posedness of PDE by energy estimate

Law of cosines in normed spaces which are not inner product spaces?

Maximization inequality for Frobenius norm after adding orthogonal matrix

Can this $2 \times 2$ matrix provide a contraction with respect to some norm?

$(x,y)$ pairs in lattice $Z^2$ that are co-prime with euclidean-norm at most $k$

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