The alternative conjecture on the spectral norm of Gaussian random matrices
The alternative conjecture on the spectral norm of Gaussian random matrices
Let be the symmetric random matrix with entries , where are independent standard Gaussian random variables and are given nonnegative scalars. For a symmetric matrix, denotes its square, and denotes the operator norm. Alternative spectral-norm conjecture. The expected spectral norm satisfies
This formulation is motivated by a dimension-dependent upper bound whose first term equals and whose second term controls the expected largest entry. The source presents it as an alternative to Latała's conjecture and does not provide a resolution.
Sources & referencesView supporting material
Primary source
Ramon van Handel, “On the spectral norm of Gaussian random matrices”, arXiv:1502.05003 (2016).
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