scholarly journals Teleportation Criteria Based on Maximum Eigenvalue of the Shared d ⊗ d Dimensional Mixed State: Beyond Singlet Fraction

Author(s):  
Anuma Garg ◽  
Satyabrata Adhikari
2021 ◽  
Vol 104 (1) ◽  
Author(s):  
Mayukh Lahiri ◽  
Radek Lapkiewicz ◽  
Armin Hochrainer ◽  
Gabriela Barreto Lemos ◽  
Anton Zeilinger
Keyword(s):  

Author(s):  
Dinghui Wu ◽  
Juan Zhang ◽  
Bo Wang ◽  
Tinglong Pan

Traditional static threshold–based state analysis methods can be applied to specific signal-to-noise ratio situations but may present poor performance in the presence of large sizes and complexity of power system. In this article, an improved maximum eigenvalue sample covariance matrix algorithm is proposed, where a Marchenko–Pastur law–based dynamic threshold is introduced by taking all the eigenvalues exceeding the supremum into account for different signal-to-noise ratio situations, to improve the calculation efficiency and widen the application fields of existing methods. The comparison analysis based on IEEE 39-Bus system shows that the proposed algorithm outperforms the existing solutions in terms of calculation speed, anti-interference ability, and universality to different signal-to-noise ratio situations.


1994 ◽  
Vol 235-240 ◽  
pp. 3145-3146 ◽  
Author(s):  
P. Vašek ◽  
I. Janeček ◽  
V. Plecháček
Keyword(s):  

2005 ◽  
Vol 20 (2) ◽  
pp. 96-100 ◽  
Author(s):  
Eduard Vieta

AbstractThere are few controlled studies evaluating the treatment of bipolar mixed states. Evidence suggests that mixed states may be more responsive to some anticonvulsants than to lithium. Olanzapine alone or in combination with divalproate or lithium has been adequately evaluated in randomized clinical trials involving mixed-state patients, whereas risperidone and quetiapine have not. There is also some evidence demonstrating the efficacy of ziprasidone and aripiprazole. The risk of switching to depression is high in mixed states. Conventional antipsychotics, such as haloperidol, may be less efficacious at protecting against a switch to depression than atypical antipsychotics, divalproate or lithium. When choosing drugs for the treatment of mania, and especially for the treatment of mixed states, their efficacy against manic and depressive symptoms, and their safety in terms of the risk of switching to depression should be taken into account.


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