@InProceedings{kwok_et_al:LIPIcs.APPROX-RANDOM.2014.313,
  author =	{Kwok, Tsz Chiu and Lau, Lap Chi},
  title =	{{Lower Bounds on Expansions of Graph Powers}},
  booktitle =	{Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques (APPROX/RANDOM 2014)},
  pages =	{313--324},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-74-3},
  ISSN =	{1868-8969},
  year =	{2014},
  volume =	{28},
  editor =	{Jansen, Klaus and Rolim, Jos\'{e} and Devanur, Nikhil R. and Moore, Cristopher},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.APPROX-RANDOM.2014.313},
  URN =		{urn:nbn:de:0030-drops-47057},
  doi =		{10.4230/LIPIcs.APPROX-RANDOM.2014.313},
  annote =	{Keywords: Conductance, Expansion, Graph power, Random walk}
}