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Results tagged with graph-theory
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user 485561
Questions about the branch of combinatorics called graph theory (not to be used for questions concerning the graph of a function). This tag can be further specialized via using it in combination with more specialized tags such as extremal-graph-theory, spectral-graph-theory, algebraic-graph-theory, topological-graph-theory, random-graphs, graph-colorings and several others.
2
votes
1
answer
310
views
Pairwise intersecting circles in the plane
If I am looking at a collection $\mathcal{C}$ of circles $\{C_1,...,C_n\}$ all of which have some radii $\{r_1,...,r_n\}$ where $r_i\in\mathbb{R}^{+}$ for each $i \in[n]$. In $\mathcal{C}$, all the ci …
- 135
1
vote
1
answer
65
views
Representation of $x$-non-monotone curves with one intersection each by $x$-monotone curves
Take the $y$-axis and a set of $n$ curves starting from $y$-axis, labelled as $\mathcal{C}:=\{C_1,C_2,...,C_n\}$. These curves fulfill the following conditions:
The curves all have a starting point s …
- 135