MathDB2 problems
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Heiny et al.'s symmetry conjecture for the logarithmic law of sample correlation matrices
Heiny et al.'s symmetry conjecture. The symmetry condition is crucial for the logarithmic law.
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Conjecture on weakening the condition for the Marčenko–Pastur law of sample correlation matrices
Let be the data matrix and let … , may be proved under condition … used in the paper is unnecessary; whether this weakening can be proved is not resolved in the suppl…