Dealing
发表于 2025-4-1 04:18:13
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Agility
发表于 2025-4-1 07:05:25
Lecture Notes in Computer Sciencenamics to describe sudden impulses, mass points, or point charges. Both concepts are intimately connected to the completeness of eigenfunctions of self-adjoint operators. From the quantum mechanics perspective, the problem of completeness of sets of functions concerns the problem of enumeration of all possible states of a quantum system.