Hussain, T.; Khan, F. Conformal Ricci collineations of static space-times with maximal symmetric transverse spaces. (English. Russian original) Zbl 1419.83008 Theor. Math. Phys. 198, No. 3, 463-474 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 532-544 (2019). MSC: 83C05 83C20 53Z05 PDFBibTeX XMLCite \textit{T. Hussain} and \textit{F. Khan}, Theor. Math. Phys. 198, No. 3, 463--474 (2019; Zbl 1419.83008); translation from Teor. Mat. Fiz. 198, No. 3, 532--544 (2019) Full Text: DOI
Mirekhtiary, F. S.; Sakalli, I. Hawking radiation of relativistic particles from black strings. (English. Russian original) Zbl 1419.83040 Theor. Math. Phys. 198, No. 3, 455-462 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 523-531 (2019). MSC: 83C57 83C47 83E30 70H20 PDFBibTeX XMLCite \textit{F. S. Mirekhtiary} and \textit{I. Sakalli}, Theor. Math. Phys. 198, No. 3, 455--462 (2019; Zbl 1419.83040); translation from Teor. Mat. Fiz. 198, No. 3, 523--531 (2019) Full Text: DOI
Gorbatenko, M. V.; Neznamov, V. P. Quantum mechanical equivalence of the metrics of a centrally symmetric gravitational field. (English. Russian original) Zbl 1419.81016 Theor. Math. Phys. 198, No. 3, 425-454 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 489-522 (2019). MSC: 81Q35 83C57 81Q05 81R25 81V17 PDFBibTeX XMLCite \textit{M. V. Gorbatenko} and \textit{V. P. Neznamov}, Theor. Math. Phys. 198, No. 3, 425--454 (2019; Zbl 1419.81016); translation from Teor. Mat. Fiz. 198, No. 3, 489--522 (2019) Full Text: DOI arXiv
Rodionov, V. N.; Mandel, A. M.; Kravtsova, G. A. Restriction of the fermion mass spectrum in \(PT\)-symmetric systems and its implications for studying dark matter. (English. Russian original) Zbl 1419.81040 Theor. Math. Phys. 198, No. 3, 412-424 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 473-488 (2019). MSC: 81V25 83F05 81R05 81Q12 PDFBibTeX XMLCite \textit{V. N. Rodionov} et al., Theor. Math. Phys. 198, No. 3, 412--424 (2019; Zbl 1419.81040); translation from Teor. Mat. Fiz. 198, No. 3, 473--488 (2019) Full Text: DOI
Nagiyev, Sh. M.; Ahmadov, A. I. Time evolution of quadratic quantum systems: evolution operators, propagators, and invariants. (English. Russian original) Zbl 1419.81011 Theor. Math. Phys. 198, No. 3, 392-411 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 451-472 (2019). MSC: 81Q05 35Q41 15A16 47A10 PDFBibTeX XMLCite \textit{Sh. M. Nagiyev} and \textit{A. I. Ahmadov}, Theor. Math. Phys. 198, No. 3, 392--411 (2019; Zbl 1419.81011); translation from Teor. Mat. Fiz. 198, No. 3, 451--472 (2019) Full Text: DOI
Likhachev, V. N.; Vinogradov, G. A. Charge transfer on a two-dimensional lattice with Tamm states. (English. Russian original) Zbl 1418.82009 Theor. Math. Phys. 198, No. 3, 376-391 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 433-450 (2019). MSC: 82C70 82D25 PDFBibTeX XMLCite \textit{V. N. Likhachev} and \textit{G. A. Vinogradov}, Theor. Math. Phys. 198, No. 3, 376--391 (2019; Zbl 1418.82009); translation from Teor. Mat. Fiz. 198, No. 3, 433--450 (2019) Full Text: DOI
Lakaev, S. N.; Boltaev, A. T. Threshold phenomena in the spectrum of the two-particle Schrödinger operator on a lattice. (English. Russian original) Zbl 1419.81012 Theor. Math. Phys. 198, No. 3, 363-375 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 418-432 (2019). MSC: 81Q10 39A12 35J10 81Q35 81U30 35P05 PDFBibTeX XMLCite \textit{S. N. Lakaev} and \textit{A. T. Boltaev}, Theor. Math. Phys. 198, No. 3, 363--375 (2019; Zbl 1419.81012); translation from Teor. Mat. Fiz. 198, No. 3, 418--432 (2019) Full Text: DOI
Sveshnikov, K. A.; Voronina, Yu. S.; Davydov, A. S.; Grashin, P. A. Essentially nonperturbative vacuum polarization effects in a two-dimensional Dirac-Coulomb system with \(Z > Z_{cr}\): vacuum charge density. (English. Russian original) Zbl 1419.81036 Theor. Math. Phys. 198, No. 3, 331-362 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 381-417 (2019). MSC: 81T55 81T16 81T10 81V10 PDFBibTeX XMLCite \textit{K. A. Sveshnikov} et al., Theor. Math. Phys. 198, No. 3, 331--362 (2019; Zbl 1419.81036); translation from Teor. Mat. Fiz. 198, No. 3, 381--417 (2019) Full Text: DOI
Dai, Jialiang; Fan, Engui Whitham hierarchy and generalized Picard-Fuchs operators in the \(\mathcal{N}=2\) susy Yang-Mills theory for classical gauge groups. (English. Russian original) Zbl 1419.81031 Theor. Math. Phys. 198, No. 3, 317-330 (2019); translation from Teor. Mat. Fiz. 198, No. 3, 365-380 (2019). MSC: 81T13 81T60 37K10 14H52 81T17 57R57 14D21 PDFBibTeX XMLCite \textit{J. Dai} and \textit{E. Fan}, Theor. Math. Phys. 198, No. 3, 317--330 (2019; Zbl 1419.81031); translation from Teor. Mat. Fiz. 198, No. 3, 365--380 (2019) Full Text: DOI