Einbettungsfragen wurden in der Relativitätstheorie bisher selten betrachtet, da sich sofort die Frage nach der physikalischen Natur der Variablen des Einbettungsraumes stellt. Es gibt aber Fälle, wo sich das Einbettungsproblem von selbst stellt, das sind die Räume der Klasse 1, mit dem Rang ≥ 3 der 2. Fundamentalform b
The paper we are presenting here is in essence an interim research report, a summary and preliminary analysis of findings based on a larger study still under way. Thus both the findings and the interpretations are subject to revision as we continue and complete our investigation.
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