Let $A$ be a positive semidefinite matrix. Are there any bounds known for the $q$-th moment of the $p$-th Schatten norm of matrix $A$? Here, $1 \leq p,q \leq \infty$.

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## **put on hold** as unclear what you're asking by Dima Pasechnik, Chris Godsil, LSpice, Sean Lawton, Yemon Choi Jul 19 at 5:12

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what? And when you say moment, do you just mean "power"? Normally moments are averages of powers, but here it is not clear what you are trying to average $\endgroup$ – Yemon Choi Jul 12 at 23:19