Reachability Deficits in Quantum Approximate Optimization of Graph Problems

Autor: V. Akshay, H. Philathong, I. Zacharov, J. Biamonte

Publikováno v: Quantum, Vol 5, p 532 (2021)

The quantum approximate optimization algorithm (QAOA) has become a cornerstone of contemporary quantum applications development. Here we show that the $density$ of problem constraints versus problem variables acts as a performance indicator. Density

Externí odkaz: https://doaj.org/article/148ead068da34ab9a991415214f5b5d6

On Increasing the Accuracy of Star Trackers to Subsecond Levels

Autor: N. L. Krusanova, O. Y. Stekol’shchikov, V. K. Sysoev, M. E. Prohorov, M. S. Tuchin, I. V. Moskatiniev, A. D. Yudin, A. I. Zacharov

Publikováno v: Solar System Research. 52:636-643

Modern star trackers are based on photodetector arrays such as CCD or CMOS arrays. The accuracy of commercially available devices is ~1–3 arcseconds. However, the development of the space industry calls for higher orientation accuracies, which are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1762e4352ab988a0d8651347e797447d
https://doi.org/10.1134/s0038094618070201

Medical Rehabilitation System for Senior Patients with Severe Craniocerebral Injury in the Megalopolis

Autor: V. I. Zacharov, A. G. Smochilin, A. Yu. Shcherbuk, Yu. A. Shcherbuk, E. V. Cherepanova, V. V. Donskov, Ya. N. Kushnirenko

Publikováno v: Advances in Gerontology. 9:343-345

The capacity of comprehensive standardized stepped medical rehabilitation is assessed in 469 patients who underwent surgical procedures for severe craniocerebral injury in Saint Petersburg hospitals in 2010–2017. As a result of the neurorehabilitat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ddcc2ec3b629283dfd0f8e9c95cf88cd
https://doi.org/10.1134/s2079057019030160

[Megapolis medical rehabilitation system of elderly patients with severe cranio-cerebral injury.]

Autor: Y A, Shcherbuk, V I, Zacharov, A Y, Shcherbuk, V V, Donskov, A G, Smochilin, E V, Cherepanova, Y N, Kushnirenko

Publikováno v: Advances in gerontology = Uspekhi gerontologii. 32(1-2)

The capacities of systemic standard graded medical rehabilitation were assessed in 469 patients carried out surgical intervention for severe craniocerebral injury at Saint-Petersburg hospitals in 2010-2017. As a result of neurorehabilitation system i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::817d4b2004f921ed9ec657e77cbc4bf0
https://pubmed.ncbi.nlm.nih.gov/31228379

LHC@Home: a BOINC-based volunteer computing infrastructure for physics studies at CERN

Autor: Massimo Giovannozzi, Ben Segal, D. Kaltchev, Kyrre Sjobak, Yuri Nosochkov, Cinzia Luzzi, Matthew Crouch, Nils Høimyr, Ivan Reid, David Cameron, Pascal Hermes, J. Barranco, Peter Skands, I. Zacharov, Nikos Karastathis, Ewen Maclean, Laurence Field, Frederik Van Der Veken, Tatiana Pieloni, Yunhai Cai, L Rivkin, Alessio Mereghetti, E. McIntosh, Claudia Tambasco, James Molson, Riccardo De Maria

Publikováno v: Open Eng.
BOINC
BOINC, Aug 2017, Petrozavodsk, Russia. pp.378-392, ⟨10.1515/eng-2017-0042⟩
Scopus-Elsevier
Open Engineering, Vol 7, Iss 1, Pp 379-393 (2017)

The LHC@Home BOINC project has provided computing capacity for numerical simulations to researchers at CERN since 2004, and has since 2011 been expanded with a wider range of applications. The traditional CERN accelerator physics simulation code SixT

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::988439be1b1d5510bab786f633a3e464
https://hal.archives-ouvertes.fr/hal-01703482