Alexandra Kolla
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| title | conference | date |
|---|---|---|
| Spectral Aspects of Symmetric Matrix Signings | Hierarchies, Extended Formulations and Matrix-Analytic Techniques (2017) | 2017-11-06 |
Connection between graph lifts and signed adjacency matrices guides several concrete results: existence of Ramanujan graphs follows from choosing a 2-lift… | ||
| Small Lifts of Expander Graphs are Expanding | Neo-Classical Methods in Discrete Analysis 2013 | 2013-12-02 |
Claim: random two-lifts (and more generally k‑shift lifts) preserve expansion: new eigenvalues of the lift have spectral radius bounded by about O(Lambda)… | ||
| Maximal Inequalities on the Hypercube | Functional Inequalities in Discrete Spaces with Applications 2013 | 2013-09-30 |
Proves a dimension-independent L2 bound for the maximal average over Hamming spheres on {0,1}^n, so the number of vertices ruined by an adversary that colours… | ||
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