Question

Reference request: Laurent series of vector-valued function

score 125 · Answer 1 · 2018-03-31 20:56:10

125

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Reference request: Laurent series of vector-valued function

Published on 31 Mar 2018 - 20:56

score 78 · Answer 2 · 2026-03-27 14:45:26

78

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Find norm of an operator

Published on 27 Mar 2026 - 14:45

score 74 · Answer 3 · 2026-03-25 11:20:07

74

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Essential supremum with respect to spectral measure

Published on 25 Mar 2026 - 11:20

score 286 · Answer 4 · 2026-03-25 07:47:56

286

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A equality in the proof of $T$ compact $\iff T^*$ compact

Published on 25 Mar 2026 - 7:47

score 97 · Answer 5 · 2026-03-25 01:17:15

97

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von Neumann-Liouville expansion in Quantume Field Theory

Published on 25 Mar 2026 - 1:17

score 49 · Answer 6 · 2026-03-25 01:37:48

49

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A problem on sequence of supspaces of X and its dual space

Published on 25 Mar 2026 - 1:37

score 15 · Answer 7 · 2026-03-06 23:21:00

15

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An operator bound on some state and the state operator

Published on 06 Mar 2026 - 23:21

score 139 · Answer 8 · 2026-03-27 02:24:48

139

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given the Heat kernel corresponding to $e^{-t\Delta_q}$, find the kernel of the smoothing operator $Fe^{-t\Delta_q}$

Published on 27 Mar 2026 - 2:24

score 312 · Answer 9 · 2026-03-25 06:12:59

312

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Limit of sequence of finite rank operators given by $(A_Nf)(x) = \sum_{n=-N}^N \hat f(n) e^{inx}$ is the identity operator, so how can it be compact?

Published on 25 Mar 2026 - 6:12

score 741 · Answer 10 · 2026-03-25 14:26:54

741

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Does the multiplication operator $T_f$ given by $T_f\phi = f\phi$ have a discrete spectrum? Can a multiplication operator have continuous spectrum?

Published on 25 Mar 2026 - 14:26

score 126 · Answer 11 · 2018-04-03 21:14:43

126

Views

Inequalities to prove trace class is Banach space under $||\cdot||_{1}$

Published on 03 Apr 2018 - 21:14

score 253 · Answer 12 · 2026-03-24 23:51:36

253

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Why can the transfer operator of the Gauss (continued fraction) map be used to prove the Riemann hypothesis but not the map for the Engel expansion?

Published on 24 Mar 2026 - 23:51

score 24 · Answer 13 · 2018-04-04 07:45:46

24

Views

Showing that a set of operators is not closed

Published on 04 Apr 2018 - 7:45

score 642 · Answer 14 · 2018-04-04 08:08:50

642

Views

Is this a Fredholm operator with index 0?

Published on 04 Apr 2018 - 8:08

score 65 · Answer 15 · 2026-03-25 03:18:05

65

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Pair of normal operators

Published on 25 Mar 2026 - 3:18

List Question

Reference request: Laurent series of vector-valued function

Find norm of an operator

Essential supremum with respect to spectral measure

A equality in the proof of $T$ compact $\iff T^*$ compact

von Neumann-Liouville expansion in Quantume Field Theory

A problem on sequence of supspaces of X and its dual space

An operator bound on some state and the state operator

given the Heat kernel corresponding to $e^{-t\Delta_q}$, find the kernel of the smoothing operator $Fe^{-t\Delta_q}$

Limit of sequence of finite rank operators given by $(A_Nf)(x) = \sum_{n=-N}^N \hat f(n) e^{inx}$ is the identity operator, so how can it be compact?

Does the multiplication operator $T_f$ given by $T_f\phi = f\phi$ have a discrete spectrum? Can a multiplication operator have continuous spectrum?

Inequalities to prove trace class is Banach space under $||\cdot||_{1}$

Why can the transfer operator of the Gauss (continued fraction) map be used to prove the Riemann hypothesis but not the map for the Engel expansion?

Showing that a set of operators is not closed

Is this a Fredholm operator with index 0?

Pair of normal operators

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