Question

If $F,G \in k[X,Y]$ have no common factors, then $V(F,G)$ is finite.

score 990 · Answer 1 · 2018-10-31 11:48:57

990

Views

If $F,G \in k[X,Y]$ have no common factors, then $V(F,G)$ is finite.

Published on 31 Oct 2018 - 11:48

score 280 · Answer 2 · 2018-10-31 15:37:48

280

Views

Why are these definitions of directional derivative equivalent? (By limit and by scalar product)

Published on 31 Oct 2018 - 15:37

score 44 · Answer 3 · 2026-03-28 12:14:50

44

Views

If $a(n) + b(n) \in \Omega(p(n))$, then $a(n) \in \Omega(p(n)) \vee b(n)\in \Omega(p(n))$.

Published on 28 Mar 2026 - 12:14

score 170 · Answer 4 · 2018-11-01 14:07:23

170

Views

$5^a - a^2 \geq 5^{a-1}$ for $a \geq 12$?

Published on 01 Nov 2018 - 14:07

score 86 · Answer 5 · 2026-03-25 10:53:41

86

Views

How to characterize a regular language for which exists a DFA which has a single accepting state?

Published on 25 Mar 2026 - 10:53

score 70 · Answer 6 · 2026-03-29 17:25:55

70

Views

Prove $\sum_{k=0}^n 2^{-k} = \frac{2^{n+1}-1}{2^n}$

Published on 29 Mar 2026 - 17:25

score 57 · Answer 7 · 2026-03-26 17:34:59

57

Views

Proving closed interval [0,1] has same cardinality as Real Numbers

Published on 26 Mar 2026 - 17:34

score 430 · Answer 8 · 2026-03-25 10:55:40

430

Views

Are all "Theorems" necessarily in the "if - then" form?

Published on 25 Mar 2026 - 10:55

score 57 · Answer 9 · 2018-11-02 17:43:44

57

Views

How do I show $x^x > k \cdot a^x $?

Published on 02 Nov 2018 - 17:43

score 86 · Answer 10 · 2026-03-25 10:56:52

86

Views

How to use product automaton and intermediate state to prove existence of regular language?

Published on 25 Mar 2026 - 10:56

score 88 · Answer 11 · 2018-11-02 22:18:12

88

Views

Proving the Cardinality of Uncountable Sets

Published on 02 Nov 2018 - 22:18

score 60 · Answer 12 · 2026-03-25 22:30:44

60

Views

If $\alpha_1,\alpha_2,\beta$ are ordinals, then $\alpha_1<\alpha_2\iff \beta+\alpha_1<\beta+\alpha_2$

Published on 25 Mar 2026 - 22:30

score 112 · Answer 13 · 2026-03-25 19:07:15

112

Views

The reasoning behind $\sup\{\alpha\beta+\alpha\zeta\mid\zeta<\gamma\}=\alpha\beta+\sup\{\alpha\zeta\mid\zeta<\gamma\}$

Published on 25 Mar 2026 - 19:07

score 214 · Answer 14 · 2026-03-25 09:27:17

214

Views

Application of the area formula (GMT) to derive inequality for general surface area

Published on 25 Mar 2026 - 9:27

score 158 · Answer 15 · 2018-11-03 15:55:06

158

Views

Prove the inequality: $\left(\frac{a}{a+2b}\right)^2+\left(\frac{b}{b+2c}\right)^2+\left(\frac{c}{c+2a}\right)^2 \geq \frac{1}{3}$

Published on 03 Nov 2018 - 15:55

List Question

If $F,G \in k[X,Y]$ have no common factors, then $V(F,G)$ is finite.

Why are these definitions of directional derivative equivalent? (By limit and by scalar product)

If $a(n) + b(n) \in \Omega(p(n))$, then $a(n) \in \Omega(p(n)) \vee b(n)\in \Omega(p(n))$.

$5^a - a^2 \geq 5^{a-1}$ for $a \geq 12$?

How to characterize a regular language for which exists a DFA which has a single accepting state?

Prove $\sum_{k=0}^n 2^{-k} = \frac{2^{n+1}-1}{2^n}$

Proving closed interval [0,1] has same cardinality as Real Numbers

Are all "Theorems" necessarily in the "if - then" form?

How do I show $x^x > k \cdot a^x $?

How to use product automaton and intermediate state to prove existence of regular language?

Proving the Cardinality of Uncountable Sets

If $\alpha_1,\alpha_2,\beta$ are ordinals, then $\alpha_1<\alpha_2\iff \beta+\alpha_1<\beta+\alpha_2$

The reasoning behind $\sup\{\alpha\beta+\alpha\zeta\mid\zeta<\gamma\}=\alpha\beta+\sup\{\alpha\zeta\mid\zeta<\gamma\}$

Application of the area formula (GMT) to derive inequality for general surface area

Prove the inequality: $\left(\frac{a}{a+2b}\right)^2+\left(\frac{b}{b+2c}\right)^2+\left(\frac{c}{c+2a}\right)^2 \geq \frac{1}{3}$

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