1932
DOI: 10.1515/crll.1932.167.390
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Über die Hauptkerne von Integralgleichungen.

Abstract: Neumann in Marburg.Bei K(s, £), dem Kerne der zu behandelnden Integralgleichungen, wollen wir im allgemeinen an eine in ihren Argumenten unsymmetrische Funktion denken, die wir aber, um sonst möglichst einfache Verhältnisse zu schaffen, als stetig voraussetzen, s und t seien dabei stets auf ein Intervall ... b beschränkt.Dann gehören zu diesem Kerne die beiden assoziierten linearen IntegralgleichungenDiese beiden Gleichungen, die wir die Gleichungen in s und in t nennen, werden wir stets nebeneinander betracht… Show more

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Cited by 14 publications
(9 citation statements)
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“…The first who paid attention to peculiarity of the probabilistic structure of QM comparing with the probabilistic structure of classical statistical mechanics was John von Neumann [61]. In particular, he generalized Born's rule to quantum observables represented by Hermitian operators; for observable represented by an operator with purely discrete spectrum, the probability to obtain the value λ as the result of measurement is given as…”
Section: From Euclid To Lobachevesky and From Kolmogorov To Bellmentioning
confidence: 99%
See 2 more Smart Citations
“…The first who paid attention to peculiarity of the probabilistic structure of QM comparing with the probabilistic structure of classical statistical mechanics was John von Neumann [61]. In particular, he generalized Born's rule to quantum observables represented by Hermitian operators; for observable represented by an operator with purely discrete spectrum, the probability to obtain the value λ as the result of measurement is given as…”
Section: From Euclid To Lobachevesky and From Kolmogorov To Bellmentioning
confidence: 99%
“…In his seminal book [61] von Neumann pointed out that, opposite to classical statistical mechanics where randomness of results of measurements is a consequence of variability of physical parameters such as, e.g., the position and momentum of a classical particle, in QM the assumption about the existence of such parameters (for a moment may be still hidden and unapproachable by existing measurement devices) leads to contradiction. This statement presented in [61] is known as von Neumann no-go theorem, theorem about impossibility to go beyond the description of quantum phenomena based on quantum states: it is impossible to construct a theoretical model providing a finer description of those phenomena than given by QM. 5 Thus von Neumann was sure that it is impossible to construct a classical probability measure on the space of some hidden variables which would reproduce probabilities obtained in quantum measurements.…”
Section: From Euclid To Lobachevesky and From Kolmogorov To Bellmentioning
confidence: 99%
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“…Many classical entropy functions are available [32][33][34][35][36], which leads to a multitude of general quantum entropies S(ρ) = tr[ρf (ρ)] with function f quite general. The choice of entropy function for entanglement evaluation has an impact on the resultant evaluation of entanglement of the state and therefore must be chosen judiciously.…”
Section: A Entanglement Of Bipartite Pure Statesmentioning
confidence: 99%
“…is the von Neumann entropy of ρ [33]. As the convexroof extension is typically hard to evaluate because minimizing over all all possible pure-state decompositions is daunting, linear entropy is preferred for qubits.…”
Section: B Entanglement Of Bipartite Mixed Statesmentioning
confidence: 99%