نتایج جستجو برای: tqc
تعداد نتایج: 67 فیلتر نتایج به سال:
According to Michael Levin, concerning morphogenesis and morphostasis the basic challenge is to understand how the shape of the organism is generated and how it is preserved. The standard local approach based on belief on genetic determinism does not allow one to answer these questions satisfactorily. The first approach to this problem relies on a self-organization paradigm in which the local d...
Given a point Q other than the incenter I of a reference triangle, we give a simple conic construction of a homothety mapping I into Q so that the image of the intouch triangle is perspective with the reference triangle. This is a generalization of the Kariya theorem in the case Q = I that the homothety can be arbitrary. The ratio of the homothety (the Kariya factor) is a unique nonzero finite ...
At Crypto 2011, some of us had proposed a family of cryptographic protocols for key establishment capable of protecting quantum and classical legitimate parties unconditionally against a quantum eavesdropper in the query complexity model. Unfortunately, our security proofs were unsatisfactory from a cryptographically meaningful perspective because they were sound only in a worst-case scenario. ...
We adapt the Deutsch-Jozsa algorithm to the context of formal language theory. Specifically, we use the algorithm to distinguish between trivial and nontrivial words in groups given by finite presentations, under the promise that a word is of a certain type. This is done by extending the original algorithm to functions of arbitrary length binary output, with the introduction of a more general c...
The outcomes of local measurements made on entangled systems can be certified to be random provided that the generated statistics violate a Bell inequality. This way of producing randomness relies only on a minimal set of assumptions because it is independent of the internal functioning of the devices generating the random outcomes. In this context it is crucial to understand both qualitatively...
In urban road networks, the use of real-time adaptive traffic signal control systems faces two typical challenges. First, various sources of uncertainty and disturbance can significantly degrade the accuracy of real-time flow predictions. Second, the optimization of vehicle flows must also give active attention to other transportation modes such as bus transit and pedestrian flows. In this pape...
We demonstrate the decoy-state quantum key distribution over 200 km with photon polarization through optical fiber, by using superconducting single photon detector with a repetition rate of 320 Mega Hz and a dark count rate of lower than 1 Hz. Since we have used the polarization coding, the synchronization pulses can be run in a low frequency. The final key rate is 14.1 Hz. The experiment lasts...
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