Question

Need help with understanding the proof for Division Algorithm, from the book Contemporary Abstract Algebra by Joseph A. Gallian

score 596 · Answer 1 · 2026-04-09 11:08:45

596

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Need help with understanding the proof for Division Algorithm, from the book Contemporary Abstract Algebra by Joseph A. Gallian

Published on 09 Apr 2026 - 11:08

score 336 · Answer 2 · 2026-04-12 03:12:46

336

Views

Error in proof by strong induction

Published on 12 Apr 2026 - 3:12

score 116 · Answer 3 · 2026-04-14 05:31:13

116

Views

Proving that $GH$ is parallel to $AD$ in the given figure

Published on 14 Apr 2026 - 5:31

score 517 · Answer 4 · 2026-04-16 02:31:41

517

Views

Proof that multilinear rank of tensor less of equal than border rank

Published on 16 Apr 2026 - 2:31

score 1.5k · Answer 5 · 2026-04-14 15:54:22

1.5k

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Detail in Proof that Reduced Row-Echelon Form is Unique

Published on 14 Apr 2026 - 15:54

score 2.3k · Answer 6 · 2026-04-15 09:26:03

2.3k

Views

Confused by proof of the irrationality of root 2: if $p^2$ is divisible by $2$, then so is $p$.

Published on 15 Apr 2026 - 9:26

score 26 · Answer 7 · 2026-04-28 13:49:50

26

Views

What do the numbers mean in the reasons section in proof sequences?

Published on 28 Apr 2026 - 13:49

score 204 · Answer 8 · 2026-04-15 07:17:42

204

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Exact sequence, Fixed points and cohomology groups: problem in a proof

Published on 15 Apr 2026 - 7:17

score 155 · Answer 9 · 2026-04-15 14:19:49

155

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Determine the iterated sum of the digits of $88^{88}$?

Published on 15 Apr 2026 - 14:19

score 5.8k · Answer 10 · 2026-04-22 09:43:35

5.8k

Views

How to prove that $|HK| = \dfrac{|H| \; |K|}{|H \cap K|}$?

Published on 22 Apr 2026 - 9:43

score 72 · Answer 11 · 2026-04-15 00:29:51

72

Views

Why is it when we restrict the homotopy to $t=0$ and $t=1$, we get $\phi_{0}([f])=\beta_h(\phi_{1}([f]))$?

Published on 15 Apr 2026 - 0:29

score 55 · Answer 12 · 2026-04-15 18:13:12

55

Views

Proving composition of two functions $f\circ \gamma$ having a limit implies $f$ has a limit.

Published on 15 Apr 2026 - 18:13

score 908 · Answer 13 · 2026-04-15 17:10:27

908

Views

Topologist's Sine Curve - proof confusion

Published on 15 Apr 2026 - 17:10

score 1.4k · Answer 14 · 2026-04-13 14:46:24

1.4k

Views

How to prove that $6n^2 + 20n \notin \Omega{(n^3)}$

Published on 13 Apr 2026 - 14:46

score 533 · Answer 15 · 2026-04-17 04:21:23

533

Views

Calculus of variations and Bernstein's theorem

Published on 17 Apr 2026 - 4:21

List Question

Need help with understanding the proof for Division Algorithm, from the book Contemporary Abstract Algebra by Joseph A. Gallian

Error in proof by strong induction

Proving that $GH$ is parallel to $AD$ in the given figure

Proof that multilinear rank of tensor less of equal than border rank

Detail in Proof that Reduced Row-Echelon Form is Unique

Confused by proof of the irrationality of root 2: if $p^2$ is divisible by $2$, then so is $p$.

What do the numbers mean in the reasons section in proof sequences?

Exact sequence, Fixed points and cohomology groups: problem in a proof

Determine the iterated sum of the digits of $88^{88}$?

How to prove that $|HK| = \dfrac{|H| \; |K|}{|H \cap K|}$?

Why is it when we restrict the homotopy to $t=0$ and $t=1$, we get $\phi_{0}([f])=\beta_h(\phi_{1}([f]))$?

Proving composition of two functions $f\circ \gamma$ having a limit implies $f$ has a limit.

Topologist's Sine Curve - proof confusion

How to prove that $6n^2 + 20n \notin \Omega{(n^3)}$

Calculus of variations and Bernstein's theorem

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