The Amplitwist‭

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TheAmplitwist#6078

A quiet enigma. We don't know anything about The Amplitwist‭ yet.

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Q&A Why does the decimal expansion of $1/(10n - 1)$ have this neat pattern?

3 answers · posted 4y ago by The Amplitwist‭ · last activity 4y ago by celtschk‭

Question number-theory high-school-mathematics

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Q&A What surface do I get by attaching $g$ handles as well as $k$ crosscaps to a sphere?

1 answer · posted 4y ago by The Amplitwist‭ · last activity 4y ago by msh210‭

Question geometry topology compactness connectedness sphere

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Q&A Does every divergence-free vector field arise as the curl of some vector field?

1 answer · posted 4y ago by The Amplitwist‭ · last activity 3y ago by Derek Elkins‭

Question geometry multivariable-calculus derivatives

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Q&A Product of empty set of elements vs. product over empty indexing set — is there any difference?

1 answer · posted 4y ago by The Amplitwist‭ · edited 2y ago by Peter Taylor‭

Question product definition notation algebra

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Meta Marketing Math Codidact

posted 4y ago by The Amplitwist‭

Answer

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Q&A Given a triangle with squares on two sides, the line segments joining the centres of the squares to the midpoint of the third side are equal and perpendicular

1 answer · posted 4y ago by The Amplitwist‭ · edited 4y ago by ArtOfCode‭

Question geometry complex-analysis

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Meta Post revisions are displayed without rendered Markdown but with rendered MathJax

0 answers · posted 4y ago by The Amplitwist‭

Question feature-request MathJax-rendering post-history markdown

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Q&A What is an example of a pathological imbedding of a(n allowed) graph into an oriented surface?

1 answer · posted 8mo ago by The Amplitwist‭ · last activity 6mo ago by The Amplitwist‭

Question topology graph-theory

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

1 answer · posted 7mo ago by The Amplitwist‭ · last activity 7mo ago by Derek Elkins‭

Question algebraic-topology delta-complex

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Q&A If $n = xm$ and $n \rightarrow \infty$, then $m \rightarrow \infty$?

posted 4y ago by The Amplitwist‭ · edited 3y ago by The Amplitwist‭

Answer

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Q&A Why does the method of separating variables work?

2 answers · posted 8mo ago by The Amplitwist‭ · last activity 5mo ago by Snoopy‭

Question partial-differential-equations separation-of-variables

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Q&A How do I unambiguously define the facial circuits in a $2$-cell embedding of a graph into a surface?

1 answer · posted 7mo ago by The Amplitwist‭ · last activity 6mo ago by The Amplitwist‭

Question topology graph-theory

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Q&A How can I deduce which operation removes redundacies?

posted 4y ago by The Amplitwist‭

Answer

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Q&A What is an example of a pathological imbedding of a(n allowed) graph into an oriented surface?

posted 7mo ago by The Amplitwist‭ · edited 6mo ago by The Amplitwist‭

Answer

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Q&A How do I unambiguously define the facial circuits in a $2$-cell embedding of a graph into a surface?

posted 6mo ago by The Amplitwist‭

Answer

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Reputation		296
Number of top-level posts		10
Number of answers		5
Sum of received votes (up minus down)		53
Number of edits made		17

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Posts
Count		15
Questions		10
Answers		5
Articles		0

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