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Given a conditionally completely positive map on a unital *-algebra , we find an interesting connection between the second Hochschild cohomology of with coefficients in the bimodule of adjointable maps, where M is the GNS bimodule of , and the possibility of constructing a quantum random walk [in the sense of (Attal et al. in Ann Henri Poincar 7(1):59–104,
2006; Lindsay and Parthasarathy in Sankhya Ser A 50(2):151–170, 1988; Sahu in Quantum stochastic Dilation of a class of Quantum
dynamical Semigroups and Quantum random walks. Indian Statistical Institute, 2005; Sinha in Banach Center Publ 73:377–390,
2006)] corresponding to .
D. Goswami was supported by a project funded by the Indian National Academy of Sciences.
L. Sahu had research support from the National Board of Higher Mathematics, DAE (India) is gratefully acknowledged. 相似文献
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Aokage Kazuya Shinkawa Eriko Yamada Hiro-Fumi 《Letters in Mathematical Physics》2020,110(6):1381-1389
Letters in Mathematical Physics - A formula for Schur Q-functions is presented which describes the action of the Virasoro operators. For a strict partition $$\lambda =(\lambda _1,\lambda _2,\ldots... 相似文献
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Journal of Algebraic Combinatorics - We consider the tensor square of the basic spin representations of Schur covering groups $$\widetilde{S_n}$$ and $$\widetilde{S_n^{'}}$$ for the symmetric... 相似文献
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