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Quantum computations without definite causal structure
Quantum computations definite causal structure
2016/1/23
Weshowthatquantumtheoryallows fortransformationsofblackboxesthatcannotberealizedbyinsertingthe input black boxes within a circuit in a predefined causal order. The simplest example of such a transform...
We consider devices with two inputs and two outputs, Alice and Bob each having access to one input and one output. To such a device we associate time-reverses by exchanging the roles of the inputs an...
The Causal Structure of Microlocalized Rough Einstein Metrics
Causal Structure Microlocalized Rough Einstein Metrics
2014/4/3
The second paper written in collaboration with I. Rodnianski on solutions with minimal regularity for the Einstein equations.. In the second paper we concentrate on the crucial new estimates for the E...