abacaba

Member for 2 years, 10 months
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sequences-and-series

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Questions

11

Number of triangle-free graphs with prescribed number of edges

Dec 4, 2022

4

"JigSaw Puzzle" on Set Family II

Mar 12, 2023

4

A question about the existence of surjective contractions

Nov 27, 2023

2

Covering base sets $X$ with a subset family satisfying a "partial covering property"

Mar 29

0

"JigSaw Puzzle" on Set Family

Mar 12, 2023

Answers

6

Series convergence if $\sum a_n^2 < \infty$

Nov 30, 2023

2

Does an $(x, bx)$-biregular graph always contain a $x$-regular bipartite subgraph?

Feb 18, 2022

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sequences-and-series

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1

post

divergent-series

6

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1

post

co.combinatorics

2

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6

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hypergraph

2

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2

posts

extremal-combinatorics

2

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2

posts

Reputation

+10

Number of triangle-free graphs with prescribed number of edges

+10

A question about the existence of surjective contractions

+20

Covering base sets $X$ with a subset family satisfying a "partial covering property"

+10

Series convergence if $\sum a_n^2 < \infty$

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