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Wilczek, Frank (ORCID:0000000264896155)

Publications and source records attributed to Wilczek, Frank (ORCID:0000000264896155).

Ambiguity, invisibility, and negativity *

Abstract Many widely different problems have a common mathematical structure wherein limited knowledge leads to ambiguity that can be captured conveniently using a concept of invisibility that requires the introduction of negative values for quantities that are inherently positive. Here I analyze three examples taken from perception theory, rigid body mechanics, and quantum measurement.

Physics↗