@report {1616774,
	title = {A tail inequality for quadratic forms of subgaussian random vectors},
	year = {2012},
	institution = {ArXiv Report},
	address = {Electronic Communications in Probability},
	abstract = {We prove an exponential probability tail inequality for positive semidefinite quadratic forms in a subgaussian random vector. The bound is analogous to one that holds when the vector has independent Gaussian entries.},
	url = {http://arxiv.org/abs/1110.2842},
	author = {Daniel Hsu and Sham M. Kakade and Zhang, Tong}
}
