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The super‐rotation Racah–Wigner calculus revisited

Autor: M. Mozrzymas, M. Daumens, Pierre Minnaert, S. Toshev

Publikováno v: Journal of Mathematical Physics. 34:2475-2507

It is shown that, since the finite dimensional representations of the super‐rotation algebra are characterized by the superspin j and the parity λ of the representation space, all features of the Racah–Wigner calculus: Clebsch–Gordan coefficie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c29cc9e921fb1d5b329ac688418f4665
https://doi.org/10.1063/1.530133

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[Diverticulosis of the colon end its complications under the mask of emergency surgical abdomen--10 years experience]

Autor: N, Jaramov, M, Sokolov, K, Angelov, S, Toshev, B, Petrov

Publikováno v: Khirurgiia. (1)

estimating the prevalence of colonic diverticulosis and its complications studied at the clinic for 10-years period as well as the approaches for its operative treatment and analysis of the subsequent results. CASES AND APPROACHES: During the period

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6b17202730be46525e49e2d6fb1f71a6
https://pubmed.ncbi.nlm.nih.gov/20509516

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[Gastric cancer--Japanese Classification, sentinel lymph nodes and lymph dissection]

Autor: N, Jarumov, K, Angelov, S, Toshev, M, Sokolov

Publikováno v: Khirurgiia. (1)

The aim of Japanese Classification is to provide a common language for the clinical and pathological description of gastric cancer and thereby contribute to continued research and improvements in treatment and diagnosis. Lymph-node dissection has bee

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::c312dc676d44a62be13e7893765baf0f
https://pubmed.ncbi.nlm.nih.gov/20509523

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[Surgical treatment of esophageal achalasia--20 years experience]

Autor: N, Yaramov, M, Sokolov, K, Angelov, S, Toshev, B, Petrov

Publikováno v: Khirurgiia. (2-3)

Achalasia comes from a Greek word that means "failure to relax." Cardiospasm and achalasia refer to the same condition. This report addresses esophageal achalasia--its history, diagnosis, pathophysiology, and treatment options. We report our experien

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::75cb7f29bc8d6a4f6e9af119a3b8e562
https://pubmed.ncbi.nlm.nih.gov/20506784

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Regge Symmetries of Super 6 – j Symbols for the Superalgebra osp (1|2)

Autor: M. Mozrzymas, M. Daumens, Pierre Minnaert, S. Toshev

Publikováno v: Europhysics Letters (EPL). 20:671-676

In this letter we show that the super 6 – j (s6 – j) symbols for the superalgebra osp(1|2) possess, in addition to the usual tetrahedral symmetry, a Regge symmetry. However, for an arbitrary s6 – j symbol, this additional symmetry is smaller th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc9c5cd486d0e53916fed0dd44ecff56
https://doi.org/10.1209/0295-5075/20/8/001

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Resonant neutrino 'spin-rotation' in a twisting magnetic field. Analytical results

Autor: S. Toshev

Publikováno v: Physics Letters B. 271:179-182

An exact analytical formula for the probability of resonant neutrino “spin-rotation” in a twisting magnetic field with linearly varying twist frequency is derived. Some simple approximate expressions as well as the relevant Landau-Zener-type prob

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f4ea637c3d306d0b0ba68f6fbc966d8
https://doi.org/10.1016/0370-2693(91)91296-8

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ON T-VIOLATION IN MATTER NEUTRINO OSCILLATIONS

Autor: S. Toshev

Publikováno v: Modern Physics Letters A. :455-460

We continue the investigation of possible T-violating effects in three-neutrino oscillations in matter. Intriguingly simple analytical expression for the experimentally measurable quantity $P_{\nu _l \to \nu _{l'} }^m \left( t \right) - P_{\nu _{l'}

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c3bd331e7774795dad2a01bbf750655
https://doi.org/10.1142/s0217732391000464

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[Acute upper gastrointestinal tract haemorrhage: tactics and treatment]

Autor: N, Iarŭmov, G, Velev, G, Todorov, K, Angelov, S, Toshev

Publikováno v: Khirurgiia. (4-5)

Haemorrhage due to upper digestive tract diseases is one of the major complications and is relatively common. The cause for haemorrhage depend on the main disease and in many cases has complicated mechanism. The frequency is 100 cases over 100 000 pe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5630e39621a9884b280e416a679a9799
https://pubmed.ncbi.nlm.nih.gov/18843920

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[Pseudomyxoma peritonei--a case report]

Autor: N, Iarŭmov, I, Terziev, S, Toshev, K, Angelov, G, Velev, G, Todorov, A, Koĭchev, V, Ilinov

Publikováno v: Khirurgiia. (3)

Pseudomyxoma peritonei is a rare condition consisting of mucinous ascites, most commonly arising from mucinous tumors of the appendix and occasionally from the ovary. Ronnett et al. have suggested a classification based on tumor pathology where they

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::cc37c78113d4d964f4f410649796bda6
https://pubmed.ncbi.nlm.nih.gov/18788112

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