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Expander Graphs

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Graphs are a useful mathematical entity with many applications in computer science. Expanders are graphs with high sparseness and connectivity (as quantified by measures like Cheeger’s constant), two properties that are hard to maximize concurrently.

This talk introduces expander graphs, some of their basic properties and describes applications such as error correcting codes, and error reduction in probabilist algorithms.

This talk is part of the Churchill CompSci Talks series.

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