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If A is a hermitian matrix of size NxN .What is the order of no. of steps required to compute e^(A).How to prove it?

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  • $\begingroup$ (I don't quite see the link between no. of steps required and space-complexity.) $\endgroup$ – greybeard Nov 16 '19 at 9:19
  • $\begingroup$ What is your computation model? $\endgroup$ – Yuval Filmus Nov 16 '19 at 17:39
  • $\begingroup$ Action of Hamiltonian $\endgroup$ – user112077 Nov 17 '19 at 0:39

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