Question

For every two subspaces U,W of a vector space V, there exists a subspace S of V such that $V = U \oplus S = W \oplus S$ iff dim(U) = dim(W)

score 75 · Answer 1 · 2026-04-16 03:48:32

75

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For every two subspaces U,W of a vector space V, there exists a subspace S of V such that $V = U \oplus S = W \oplus S$ iff dim(U) = dim(W)

Published on 16 Apr 2026 - 3:48

score 81 · Answer 2 · 2026-04-15 17:53:47

81

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solving differential equations of the following form

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score 8.5k · Answer 3 · 2026-04-13 20:17:21

8.5k

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score 51 · Answer 4 · 2026-04-17 05:16:42

51

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Closed form of $k$-th term in the recurrence $D_j = 1 + z^2\left(1-\frac{1}{D_{j-1}}\right)$, where $D_0 = 1+z^2$

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score 122 · Answer 5 · 2026-04-16 23:49:13

122

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score 668 · Answer 6 · 2026-04-16 04:35:13

668

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score 96 · Answer 7 · 2026-04-14 00:46:41

96

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score 117 · Answer 8 · 2026-04-10 22:00:00

117

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326

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4.1k

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score 247 · Answer 11 · 2026-04-11 01:04:56

247

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score 4.4k · Answer 12 · 2026-04-08 19:19:09

4.4k

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score 52 · Answer 13 · 2026-04-14 03:17:45

52

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score 3.8k · Answer 14 · 2026-04-09 22:07:59

3.8k

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score 207 · Answer 15 · 2026-04-14 11:12:18

207

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Published on 14 Apr 2026 - 11:12

List Question

For every two subspaces U,W of a vector space V, there exists a subspace S of V such that $V = U \oplus S = W \oplus S$ iff dim(U) = dim(W)

solving differential equations of the following form

What does square subset and square union symbol mean?

Closed form of $k$-th term in the recurrence $D_j = 1 + z^2\left(1-\frac{1}{D_{j-1}}\right)$, where $D_0 = 1+z^2$

How do you read this in words?

Terrence Tao Measure Theory, hash symbol

What is the symbol for bitwise negation?

Greatest integer function and moebius function

Notation for discrete interval

What does the subset with slash symbol mean?

How to represent a general vector modulus with Einstein summation convention?

Notation: is there a symbol for "not a function of"?

Mathematical notation of set with $n+3$ members

Interval Notation for Increasing and Decreasing Intervals of a Function

What does "only if" mean exactly?

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