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Vote summary for Derek Elkins‭

A daily summary of votes received for posts.

Apr 30, 2024: +1

+1
−0
Prove that $\forall x\in\Bbb R:\lfloor x^2\rfloor-\lfloor rx\rfloor\ge-1\iff|r|\le2$.
Answer Q&A

Apr 21, 2024: +1

+1
−0
Is there a $\Delta$-complex structure on the sphere with less than three $0$-simplices?
Answer Q&A

Apr 6, 2024: +3

+3
−0
Prove that $\forall x\in\Bbb R:\lfloor x^2\rfloor-\lfloor rx\rfloor\ge-1\iff|r|\le2$.
Answer Q&A

Feb 18, 2024: +1

+1
−0
Complex numbers in 2D, quaternions in 4D, why nothing in 3D?
Answer Q&A

Feb 6, 2024: +1

+1
−0
Why does “unless” mean “if not”?
Answer Q&A

Jan 31, 2024: +1

+1
−0
Why does “unless” mean “if not”?
Answer Q&A

Jan 26, 2024: +1

+1
−0
Why does “unless” mean “if not”?
Answer Q&A

Jan 9, 2024: +2

+1
−0
$\sup(A\cdot B) = (\sup A)(\sup B)$ where $A$ and $B$ bounded sets of positive real numbers
Answer Q&A
+1
−0
Marketing Math Codidact
Question Meta

Dec 20, 2023: +1

+1
−0
Picture proof for expansion of $x^n−y^n$
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Sep 20, 2023: +1

+1
−0
Picture proof for expansion of $x^n−y^n$
Answer Q&A

Aug 26, 2023: +1

+1
−0
Average distance from circle's center to a point
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Aug 25, 2023: +1

+1
−0
Picture proof for expansion of $x^n−y^n$
Answer Q&A

Aug 22, 2023: +2

+1
−0
Picture proof for expansion of $x^n−y^n$
Answer Q&A
+1
−0
Intuitively, why doesn't picking unpopular integers ($> 31$) lower your probability of winning lotteries?
Answer Q&A

Aug 5, 2023: +1

+1
−0
how to mathematically express a relationship in which a vector can be any 3D unit vector
Answer Q&A

Jul 26, 2023: +1

+1
−0
Intuitively, why doesn't picking unpopular integers ($> 31$) lower your probability of winning lotteries?
Answer Q&A