Question

How to properly write time-dependent operator $\phi(t)$

score 43 · Answer 1 · 2026-04-12 01:33:44

43

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How to properly write time-dependent operator $\phi(t)$

Published on 12 Apr 2026 - 1:33

score 58 · Answer 2 · 2026-04-15 00:57:16

58

Views

The following limit is a derivative, but of what function and at what point?

Published on 15 Apr 2026 - 0:57

score 42 · Answer 3 · 2026-04-11 09:33:28

42

Views

Show that two definitions of the controllability Gramians are equivalent

Published on 11 Apr 2026 - 9:33

score 72 · Answer 4 · 2026-04-13 11:58:25

72

Views

Is there any other definition of $\omega$ other than complex cube root of unity?

Published on 13 Apr 2026 - 11:58

score 109 · Answer 5 · 2026-04-23 07:17:20

109

Views

What is a 'cofiber sequence' in a triangulated category?

Published on 23 Apr 2026 - 7:17

score 46 · Answer 6 · 2026-04-11 01:49:23

46

Views

Conflict between mathematics and physics regarding a constant signal

Published on 11 Apr 2026 - 1:49

score 63 · Answer 7 · 2026-04-11 21:04:43

63

Views

Definition of derivative and cluster points

Published on 11 Apr 2026 - 21:04

score 74 · Answer 8 · 2026-04-11 04:04:35

74

Views

Alternate definition of the Dirac Delta function

Published on 11 Apr 2026 - 4:04

score 69 · Answer 9 · 2026-04-12 20:27:15

69

Views

Lipschitz continuity in the second variable

Published on 12 Apr 2026 - 20:27

score 97 · Answer 10 · 2026-04-12 00:16:11

97

Views

Subgroup of "equivariant" maps?

Published on 12 Apr 2026 - 0:16

score 70 · Answer 11 · 2026-04-14 02:18:42

70

Views

Problems with the definition of a vector field in do Carmo's book.

Published on 14 Apr 2026 - 2:18

score 55 · Answer 12 · 2026-04-10 06:03:00

55

Views

What is the actual definition of "matrix representation in another basis"?

Published on 10 Apr 2026 - 6:03

score 49 · Answer 13 · 2026-04-13 01:09:36

49

Views

Bipartite graph definition in West's Introduction to graph theory

Published on 13 Apr 2026 - 1:09

score 24 · Answer 14 · 2026-04-17 09:37:02

24

Views

Meaning of: "$M'$ is the kernel of the canonical surjective morphism" and "$\text{Im} f$ is the kernel of $\text{Coker }f$?"

Published on 17 Apr 2026 - 9:37

score 74 · Answer 15 · 2026-04-11 17:48:42

74

Views

Is the marginal distribution of $X$ the value of $X$ at a single point or its entire distribution?

Published on 11 Apr 2026 - 17:48

List Question

How to properly write time-dependent operator $\phi(t)$

The following limit is a derivative, but of what function and at what point?

Show that two definitions of the controllability Gramians are equivalent

Is there any other definition of $\omega$ other than complex cube root of unity?

What is a 'cofiber sequence' in a triangulated category?

Conflict between mathematics and physics regarding a constant signal

Definition of derivative and cluster points

Alternate definition of the Dirac Delta function

Lipschitz continuity in the second variable

Subgroup of "equivariant" maps?

Problems with the definition of a vector field in do Carmo's book.

What is the actual definition of "matrix representation in another basis"?

Bipartite graph definition in West's Introduction to graph theory

Meaning of: "$M'$ is the kernel of the canonical surjective morphism" and "$\text{Im} f$ is the kernel of $\text{Coker }f$?"

Is the marginal distribution of $X$ the value of $X$ at a single point or its entire distribution?

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