Question

How do we treat degenerate preimages (functions with empty domain & codomains)?

score 108 · Answer 1 · 2026-04-16 02:11:35

108

Views

How do we treat degenerate preimages (functions with empty domain & codomains)?

Published on 16 Apr 2026 - 2:11

score 23 · Answer 2 · 2026-04-11 15:02:31

23

Views

Meaning of function subscripts in ANOVA decomposition.

Published on 11 Apr 2026 - 15:02

score 127 · Answer 3 · 2026-04-13 23:44:19

127

Views

Why is Apollonius's Theorem called Pappus's Theorem in Japan and South Korea?

Published on 13 Apr 2026 - 23:44

score 245 · Answer 4 · 2026-04-13 15:18:45

245

Views

Limit point need not belong to a set

Published on 13 Apr 2026 - 15:18

score 78 · Answer 5 · 2026-04-13 20:18:13

78

Views

Is $W_G(S) = \{ g\in G \mid \exists s\in S, \ gsg^{-1}\in S \} $ well-known and studied?

Published on 13 Apr 2026 - 20:18

score 56 · Answer 6 · 2026-03-25 16:03:28

56

Views

A couple of questions on homotopy fibrations.

Published on 25 Mar 2026 - 16:03

score 49 · Answer 7 · 2026-04-12 07:06:05

49

Views

Reference for Jacobi identity for general Whitehead product

Published on 12 Apr 2026 - 7:06

score 140 · Answer 8 · 2026-04-15 02:36:42

140

Views

Is 012 a three-digits number?

Published on 15 Apr 2026 - 2:36

score 55 · Answer 9 · 2026-04-14 09:57:36

55

Views

Definition of the map of homotopy fiber in a homotopy fibration

Published on 14 Apr 2026 - 9:57

score 67 · Answer 10 · 2026-04-12 11:58:00

67

Views

Reduced row-echelon form definition of Hoffman's book

Published on 12 Apr 2026 - 11:58

score 95 · Answer 11 · 2026-03-26 17:52:58

95

Views

Confusion about notation for orientation of boundary

Published on 26 Mar 2026 - 17:52

score 48 · Answer 12 · 2026-04-14 11:25:40

48

Views

Set Definition by Notation: If solutions of $x_j=1$ and $y_j=0$, j is element of set A. Is it correct to use:$A= \{ \forall j:x_j=1, y_j=0 \}$?

Published on 14 Apr 2026 - 11:25

score 222 · Answer 13 · 2026-04-14 05:31:39

222

Views

Is there a standard for the priority of logical connectives and quantifiers?

Published on 14 Apr 2026 - 5:31

score 20 · Answer 14 · 2026-04-13 08:39:09

20

Views

Defining the global maxima for an $L^2$ function

Published on 13 Apr 2026 - 8:39

score 82 · Answer 15 · 2026-04-11 21:15:42

82

Views

Truth table of $\rightarrow$ given assumptions

Published on 11 Apr 2026 - 21:15

List Question

How do we treat degenerate preimages (functions with empty domain & codomains)?

Meaning of function subscripts in ANOVA decomposition.

Why is Apollonius's Theorem called Pappus's Theorem in Japan and South Korea?

Limit point need not belong to a set

Is $W_G(S) = \{ g\in G \mid \exists s\in S, \ gsg^{-1}\in S \} $ well-known and studied?

A couple of questions on homotopy fibrations.

Reference for Jacobi identity for general Whitehead product

Is 012 a three-digits number?

Definition of the map of homotopy fiber in a homotopy fibration

Reduced row-echelon form definition of Hoffman's book

Confusion about notation for orientation of boundary

Set Definition by Notation: If solutions of $x_j=1$ and $y_j=0$, j is element of set A. Is it correct to use:$A= \{ \forall j:x_j=1, y_j=0 \}$?

Is there a standard for the priority of logical connectives and quantifiers?

Defining the global maxima for an $L^2$ function

Truth table of $\rightarrow$ given assumptions

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