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Sending a pair of coordinates in $[0,1]^2$ using a small number of bits

score 51 · Answer 1 · 2026-03-25 09:32:05

51

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Sending a pair of coordinates in $[0,1]^2$ using a small number of bits

Published on 25 Mar 2026 - 9:32

score 267 · Answer 2 · 2026-04-10 20:45:57

267

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Power values of polynomial

Published on 10 Apr 2026 - 20:45

score 21 · Answer 3 · 2026-03-25 07:45:36

21

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Let $W$ be random matrix and $b$ be vector. Let $x$ be secret vector; let $(y(x))_j = \max(W_j^Tx+b,0)$. Find $x' \in B(x;r)$ s.t $y(x')=y(x)$ whp

Published on 25 Mar 2026 - 7:45

score 76 · Answer 4 · 2026-03-25 09:31:54

76

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Extending Given Digits to make Perfect Powers

Published on 25 Mar 2026 - 9:31

score 226 · Answer 5 · 2026-03-25 07:44:58

226

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How to increase the compression of an RGB image from a typical smartphone camera from 2:1 to perhaps 3:1?

Published on 25 Mar 2026 - 7:44

score 50 · Answer 6 · 2026-03-25 07:44:36

50

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Proof average codeword length of a prefix code $C$ is the sum of probability of all leaf vertices that are descendant

Published on 25 Mar 2026 - 7:44

score 155 · Answer 7 · 2026-03-25 12:15:28

155

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Intuition on the Johnson-Lindenstauss lemma

Published on 25 Mar 2026 - 12:15

score 57 · Answer 8 · 2026-03-25 07:48:39

57

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Derivative of $\lVert Ax-y \rVert _{2}^{2l}$

Published on 25 Mar 2026 - 7:48

score 72 · Answer 9 · 2026-03-25 07:40:15

72

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Arithmetic entropy encoding with prime numbers.

Published on 25 Mar 2026 - 7:40

score 77 · Answer 10 · 2026-03-25 07:40:24

77

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A problem of (Convex?) Optimization about compressive sensing

Published on 25 Mar 2026 - 7:40

score 115 · Answer 11 · 2026-04-17 10:59:12

115

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Is compressing matrices to a single real number in a useful way possible?

Published on 17 Apr 2026 - 10:59

score 56 · Answer 12 · 2026-03-25 07:41:09

56

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Measurements Numbers in Compressed Sensing

Published on 25 Mar 2026 - 7:41

score 47 · Answer 13 · 2026-03-25 07:44:08

47

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Phone numbers expressed as operations of numbers with less digits

Published on 25 Mar 2026 - 7:44

score 145 · Answer 14 · 2026-03-25 07:41:09

145

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Show that Restricted Isometry property implies Restricted nullspace property

Published on 25 Mar 2026 - 7:41

score 154 · Answer 15 · 2026-03-25 07:40:58

154

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Inferring bounds from joint typicality on three variables

Published on 25 Mar 2026 - 7:40

List Question

Sending a pair of coordinates in $[0,1]^2$ using a small number of bits

Power values of polynomial

Let $W$ be random matrix and $b$ be vector. Let $x$ be secret vector; let $(y(x))_j = \max(W_j^Tx+b,0)$. Find $x' \in B(x;r)$ s.t $y(x')=y(x)$ whp

Extending Given Digits to make Perfect Powers

How to increase the compression of an RGB image from a typical smartphone camera from 2:1 to perhaps 3:1?

Proof average codeword length of a prefix code $C$ is the sum of probability of all leaf vertices that are descendant

Intuition on the Johnson-Lindenstauss lemma

Derivative of $\lVert Ax-y \rVert _{2}^{2l}$

Arithmetic entropy encoding with prime numbers.

A problem of (Convex?) Optimization about compressive sensing

Is compressing matrices to a single real number in a useful way possible?

Measurements Numbers in Compressed Sensing

Phone numbers expressed as operations of numbers with less digits

Show that Restricted Isometry property implies Restricted nullspace property

Inferring bounds from joint typicality on three variables

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