The spectral gap is one of the most important physical properties of a quantum many-body system, determining much of its low-energy physics. Gapped systems exhibit non-critical behaviour (for example, ...
This is a preview. Log in through your library . Abstract This article addresses the ways in which Jacques Derrida's notion of undecidability resonates with John Cage's poetics of silence, especially ...
This is a preview. Log in through your library . Journal Information The Journal of Symbolic Logic (JSL) was founded in 1936 and it has become the leading research journal in the field. It is issued ...
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