Question

Ring homomorphism between fields of rational functions in many indeterminates

score 193 · Answer 1 · 2020-02-25 12:06:26

193

Views

Ring homomorphism between fields of rational functions in many indeterminates

Published on 25 Feb 2020 - 12:06

score 157 · Answer 2 · 2020-02-25 12:28:27

157

Views

Find the integral $\frac{d }{d x}\int_{\sin x}^{\cos x}\cos ( \pi t^2)\, d t $

Published on 25 Feb 2020 - 12:28

score 389 · Answer 3 · 2020-02-25 14:40:08

389

Views

Equivalent metrics have the same compact set.

Published on 25 Feb 2020 - 14:40

score 167 · Answer 4 · 2020-02-25 14:53:54

167

Views

Hints for direct proof that $(A \cap C = B \cap C$ and $A \cup C = B \cup C)$ implies $A = B$

Published on 25 Feb 2020 - 14:53

score 100 · Answer 5 · 2026-03-25 13:57:59

100

Views

Posterior of Lindley likelihood and Gamma prior

Published on 25 Mar 2026 - 13:57

score 192 · Answer 6 · 2026-03-31 13:40:05

192

Views

Writing predicate formulas on $\mathbb{N}$ using only the given predicates

Published on 31 Mar 2026 - 13:40

score 66 · Answer 7 · 2020-02-25 18:21:08

66

Views

Proof of normed vector space not metrizable in the weak topology?

Published on 25 Feb 2020 - 18:21

score 828 · Answer 8 · 2020-02-25 18:41:23

828

Views

Proving a linear map is diagonalizable

Published on 25 Feb 2020 - 18:41

score 47 · Answer 9 · 2026-03-29 18:50:34

47

Views

Proving that revealed preference relation is the only relation that is rational and rationalizes the choice structure

Published on 29 Mar 2026 - 18:50

score 54 · Answer 10 · 2026-04-04 04:11:55

54

Views

Help verifying proof that for any commutative ring $R$ and $j \in R$, the subset $jR$ is an Ideal

Published on 04 Apr 2026 - 4:11

score 1k · Answer 11 · 2020-02-26 01:40:10

1k

Views

Explain why the correspondence $x \mapsto 3x$ from $\Bbb Z_{12}$ to $\Bbb Z_{10}$ is not a homomorphism.

Published on 26 Feb 2020 - 1:40

score 128 · Answer 12 · 2026-03-28 21:51:18

128

Views

Show that if $\gcd(a,b) = 1$ and $a|n$, $b|n$ then $ab|n$

Published on 28 Mar 2026 - 21:51

score 1.1k · Answer 13 · 2026-03-25 09:43:46

1.1k

Views

If $X$ has CDF $F$, find the CDF of $Y=X^2$

Published on 25 Mar 2026 - 9:43

score 553 · Answer 14 · 2020-02-26 05:13:18

553

Views

Finding the values of $x$ where the series converges absolutely and conditionally

Published on 26 Feb 2020 - 5:13

score 120 · Answer 15 · 2026-03-26 05:56:22

120

Views

Convert minimax to a single constrained maximization

Published on 26 Mar 2026 - 5:56

List Question

Ring homomorphism between fields of rational functions in many indeterminates

Find the integral $\frac{d }{d x}\int_{\sin x}^{\cos x}\cos ( \pi t^2)\, d t $

Equivalent metrics have the same compact set.

Hints for direct proof that $(A \cap C = B \cap C$ and $A \cup C = B \cup C)$ implies $A = B$

Posterior of Lindley likelihood and Gamma prior

Writing predicate formulas on $\mathbb{N}$ using only the given predicates

Proof of normed vector space not metrizable in the weak topology?

Proving a linear map is diagonalizable

Proving that revealed preference relation is the only relation that is rational and rationalizes the choice structure

Help verifying proof that for any commutative ring $R$ and $j \in R$, the subset $jR$ is an Ideal

Explain why the correspondence $x \mapsto 3x$ from $\Bbb Z_{12}$ to $\Bbb Z_{10}$ is not a homomorphism.

Show that if $\gcd(a,b) = 1$ and $a|n$, $b|n$ then $ab|n$

If $X$ has CDF $F$, find the CDF of $Y=X^2$

Finding the values of $x$ where the series converges absolutely and conditionally

Convert minimax to a single constrained maximization

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