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| Content Provider | Society for Industrial and Applied Mathematics (SIAM) |
|---|---|
| Author | Kale, Satyen Seshadhri, C. |
| Copyright Year | 2011 |
| Abstract | We consider the problem of testing graph expansion (either vertex or edge) in the bounded degree model [O. Goldreich and D. Ron, On Testing Expansion in Bounded-Degree Graphs, Technical report TR00-020, ECCC, Potsdam, Germany, 2000]. We give a property tester that takes as input a graph with degree bound d, an expansion bound $\alpha$, and a parameter $\varepsilon>0$. The tester accepts the graph with high probability if its expansion is more than $\alpha$, and rejects it with high probability if it is $\varepsilon$-far from any graph with expansion $\alpha'$ with degree bound d, where $\alpha'<\alpha$ is a function of $\alpha$. For edge expansion, we obtain $\alpha'=\Omega(\frac{\alpha^2}{d})$, and for vertex expansion, we obtain $\alpha'=\Omega(\frac{\alpha^2}{d^2})$. In either case, the algorithm runs in time $\widetilde{O}(\frac{n^{(1+\mu)/2}d^2}{\varepsilon\alpha^2})$ for any fixed $\mu>0$. |
| Starting Page | 709 |
| Ending Page | 720 |
| Page Count | 12 |
| File Format | |
| ISSN | 00975397 |
| DOI | 10.1137/100802980 |
| e-ISSN | 10957111 |
| Journal | SIAM Journal on Computing (SMJCAT) |
| Issue Number | 3 (Special Section on Foundations of Computer Science) |
| Volume Number | 40 |
| Language | English |
| Publisher | Society for Industrial and Applied Mathematics |
| Publisher Date | 2011-06-09 |
| Access Restriction | Subscribed |
| Subject Keyword | random walks sublinear algorithms Analysis of algorithms and problem complexity Graph theory graph expansion |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mathematics Computer Science |
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