List questions from hilbert-spaces

Published on 10 Apr 2026 - 0:05

71

Views

If $A$ is maximal monotone and symmetric, then its resolvent and Yosida approximation are symmetric

Published on 13 Apr 2026 - 12:22

62

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Is it true that $\|J_{\lambda_n} - J_\lambda\|_{\mathcal L(H)} \to 0$ as $\lambda_n \to \lambda$?

Published on 13 Apr 2026 - 6:00

50

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condition for the Dirac delta function to be in Hilbert space

Published on 12 Apr 2026 - 6:18

45

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Is $(A v_\lambda)_{\lambda>0}$ a Cauchy sequence in $H$?

Published on 25 Mar 2026 - 21:53

58

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How is the functional calculus explicitly computed for functions that are not analytic?

Published on 11 Apr 2026 - 17:11

68

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Is $(J_{\lambda_n})_n$ convergent in $\mathcal L(H)$?

Published on 25 Mar 2026 - 21:46

38

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Brezis' theorem 7.7: how to approach to prove $\left |\frac{d u_\lambda}{dt} (T) \right| \le\frac{|u_0|}{T}$?

Published on 15 Apr 2026 - 15:45

174

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How to interpret spectral projections?

Published on 10 Apr 2026 - 13:40

137

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Are the limits of Euclidean spaces Hilbert spaces?

Published on 07 Apr 2026 - 20:47

54

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Brezis' theorem 7.7: uniqueness and existence

Published on 15 Apr 2026 - 14:49

63

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Brezis' theorem 7.7: the case $k=2$

Published on 25 Mar 2026 - 21:46

47

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Brezis' theorem 7.7: the case $k \ge 3$

Published on 25 Mar 2026 - 21:47

150

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is $R(T_1+T_2)=R(T_1)+R(T_2)$ true?

Published on 15 Apr 2026 - 18:09

96

Views

Weak convergence in a reproducing kernel Hilbert space is equal to pointwise convergence of the sequence

Published on 15 Apr 2026 - 11:57

List Question

An equivalent definition of a symmetric operator on a Hilbert space

If $A$ is maximal monotone and symmetric, then its resolvent and Yosida approximation are symmetric

Is it true that $\|J_{\lambda_n} - J_\lambda\|_{\mathcal L(H)} \to 0$ as $\lambda_n \to \lambda$?

condition for the Dirac delta function to be in Hilbert space

Is $(A v_\lambda)_{\lambda>0}$ a Cauchy sequence in $H$?

How is the functional calculus explicitly computed for functions that are not analytic?

Is $(J_{\lambda_n})_n$ convergent in $\mathcal L(H)$?

Brezis' theorem 7.7: how to approach to prove $\left |\frac{d u_\lambda}{dt} (T) \right| \le\frac{|u_0|}{T}$?

How to interpret spectral projections?

Are the limits of Euclidean spaces Hilbert spaces?

Brezis' theorem 7.7: uniqueness and existence

Brezis' theorem 7.7: the case $k=2$

Brezis' theorem 7.7: the case $k \ge 3$

is $R(T_1+T_2)=R(T_1)+R(T_2)$ true?

Weak convergence in a reproducing kernel Hilbert space is equal to pointwise convergence of the sequence

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