Kovalev, Yu. G. On the criteria of transversality and disjointness of nonnegative self-adjoint extensions of nonnegative symmetric operators. (English. Russian original) Zbl 1499.47014 Ukr. Math. J. 70, No. 4, 568-580 (2018); translation from Ukr. Mat. Zh. 70, No. 4, 495-505 (2018). MSC: 47B25 34L40 81Q10 PDFBibTeX XMLCite \textit{Yu. G. Kovalev}, Ukr. Math. J. 70, No. 4, 568--580 (2018; Zbl 1499.47014); translation from Ukr. Mat. Zh. 70, No. 4, 495--505 (2018) Full Text: DOI
Kuzhel’, S. O.; Patsyuk, O. M. On the theory of \(\mathcal{PT}\)-symmetric operators. (English. Russian original) Zbl 1275.47085 Ukr. Math. J. 64, No. 1, 35-55 (2012); translation from Ukr. Mat. Zh. 64, No. 1, 32-49 (2012). Reviewer: Miyeon Kwon (Platteville) MSC: 47B50 47B25 81Q12 81Q10 PDFBibTeX XMLCite \textit{S. O. Kuzhel'} and \textit{O. M. Patsyuk}, Ukr. Math. J. 64, No. 1, 35--55 (2012; Zbl 1275.47085); translation from Ukr. Mat. Zh. 64, No. 1, 32--49 (2012) Full Text: DOI
Koshmanenko, V. D. Toward the rank-one singular perturbation theory of self-adjoint operators. (English. Russian original) Zbl 0755.47010 Ukr. Math. J. 43, No. 11, 1450-1457 (1991); translation from Ukr. Mat. Zh. 43, No. 11, 1559-1566 (1991). Reviewer: S.D.Karakozov (Barnaul) MSC: 47A55 47A70 47A20 47B25 PDFBibTeX XMLCite \textit{V. D. Koshmanenko}, Ukr. Math. J. 43, No. 11, 1450--1457 (1991; Zbl 0755.47010); translation from Ukr. Mat. Zh. 43, No. 11, 1559--1566 (1991) Full Text: DOI
Orochko, Yu. B. Problem of the theory of functions and essential self-adjointness of powers of operators. (English. Russian original) Zbl 0734.47015 Ukr. Math. J. 42, No. 11, 1335-1342 (1990); translation from Ukr. Mat. Zh. 42, No. 11, 1492-1500 (1990). Reviewer: T.Regińska (Warszawa) MSC: 47B25 47A60 PDFBibTeX XMLCite \textit{Yu. B. Orochko}, Ukr. Math. J. 42, No. 11, 1335--1342 (1990; Zbl 0734.47015); translation from Ukr. Mat. Zh. 42, No. 11, 1492--1500 (1990) Full Text: DOI
Lukovskij, I. A.; Timokha, A. N. Self-adjointness of a certain integrodifferential operator. (English. Russian original) Zbl 0729.47047 Ukr. Math. J. 42, No. 3, 375-376 (1990); translation from Ukr. Mat. Zh. 42, No. 3, 421-423 (1990). MSC: 47G20 47B25 PDFBibTeX XMLCite \textit{I. A. Lukovskij} and \textit{A. N. Timokha}, Ukr. Math. J. 42, No. 3, 375--376 (1990; Zbl 0729.47047); translation from Ukr. Mat. Zh. 42, No. 3, 421--423 (1990) Full Text: DOI
Liskevich, V. A.; Semenov, Yu. A. Self-adjointness conditions for Dirichlet operators. (English. Russian original) Zbl 0729.47044 Ukr. Math. J. 42, No. 2, 253-257 (1990); translation from Ukr. Mat. Zh. 42, No. 2, 284-289 (1990). Reviewer: A.Haimovici (Iaşi) MSC: 47F05 47B25 35J05 PDFBibTeX XMLCite \textit{V. A. Liskevich} and \textit{Yu. A. Semenov}, Ukr. Math. J. 42, No. 2, 253--257 (1990; Zbl 0729.47044); translation from Ukr. Mat. Zh. 42, No. 2, 284--289 (1990) Full Text: DOI
Koshmanenko, V. D. Perturbations of self-adjoint operators by singular bilinear forms. (English. Russian original) Zbl 0708.47018 Ukr. Math. J. 41, No. 1, 1-14 (1989); translation from Ukr. Mat. Zh. 41, No. 1, 3-19 (1989). MSC: 47B25 47A55 81T05 PDFBibTeX XMLCite \textit{V. D. Koshmanenko}, Ukr. Math. J. 41, No. 1, 1--14 (1989; Zbl 0708.47018); translation from Ukr. Mat. Zh. 41, No. 1, 3--19 (1989) Full Text: DOI
Ostrovskij, V. L.; Samojlenko, Yu. S. An application of the projective spectral theorem to commuting families of operators. (English. Russian original) Zbl 0708.47001 Ukr. Math. J. 40, No. 4, 404-414 (1988); translation from Ukr. Mat. Zh. 40, No. 4, 469-481 (1988). MSC: 47A10 47B25 47A70 PDFBibTeX XMLCite \textit{V. L. Ostrovskij} and \textit{Yu. S. Samojlenko}, Ukr. Math. J. 40, No. 4, 404--414 (1988; Zbl 0708.47001); translation from Ukr. Mat. Zh. 40, No. 4, 469--481 (1988) Full Text: DOI
Arlinskij, Yu. M. Positive spaces of boundary values and sectorial extensions of a nonnegative symmetric operator. (English. Russian original) Zbl 0665.47025 Ukr. Math. J. 40, No. 1, 5-10 (1988); translation from Ukr. Mat. Zh. 40, No. 1, 8-14 (1988). MSC: 47B25 PDFBibTeX XMLCite \textit{Yu. M. Arlinskij}, Ukr. Math. J. 40, No. 1, 5--10 (1988; Zbl 0665.47025); translation from Ukr. Mat. Zh. 40, No. 1, 8--14 (1988) Full Text: DOI
Kondrat’ev, Yu. G. Kato’s inequality for operators of second quantization. (English. Russian original) Zbl 0566.46042 Ukr. Math. J. 35, 656-659 (1983); translation from Ukr. Mat. Zh. 35, No. 6, 753-756 (1983). Reviewer: B.Nagy MSC: 46N99 46F10 81Q10 35J15 47B25 47B60 PDFBibTeX XMLCite \textit{Yu. G. Kondrat'ev}, Ukr. Math. J. 35, 656--659 (1983; Zbl 0566.46042); translation from Ukr. Mat. Zh. 35, No. 6, 753--756 (1983) Full Text: DOI
Samojlenko, V. G. Self-adjointness of a second-order elliptic operator with infinite number of variables. (English. Russian original) Zbl 0564.35029 Ukr. Math. J. 34, 530-532 (1983); translation from Ukr. Mat. Zh. 34, No. 5, 647-650 (1982). MSC: 35J15 47F05 47B25 PDFBibTeX XMLCite \textit{V. G. Samojlenko}, Ukr. Math. J. 34, 530--532 (1983; Zbl 0564.35029); translation from Ukr. Mat. Zh. 34, No. 5, 647--650 (1982) Full Text: DOI
Gorbachuk, V. I. Spaces of infinitely differentiable vectors of a nonnegative self-adjoint operator. (English. Russian original) Zbl 0541.47021 Ukr. Math. J. 35, 531-543 (1983); translation from Ukr. Mat. Zh. 35, No. 5, 617-621 (1983). Reviewer: N.Angelescu MSC: 47B25 46E10 46M40 PDFBibTeX XMLCite \textit{V. I. Gorbachuk}, Ukr. Math. J. 35, 531--543 (1983; Zbl 0541.47021); translation from Ukr. Mat. Zh. 35, No. 5, 617--621 (1983) Full Text: DOI
Levchuk, V. V. Smooth maximally dissipative boundary-value problems for a parabolic equation in a Hilbert space. (English. Russian original) Zbl 0541.34038 Ukr. Math. J. 35, 424-428 (1983); translation from Ukr. Mat. Zh. 35, No. 4, 502-507 (1983). Reviewer: K.Moszynski MSC: 34G10 47A50 47B10 47B25 47B38 PDFBibTeX XMLCite \textit{V. V. Levchuk}, Ukr. Math. J. 35, 424--428 (1983; Zbl 0541.34038); translation from Ukr. Mat. Zh. 35, No. 4, 502--507 (1983) Full Text: DOI
Syroid, I.-P. P. A non-self-adjoint perturbation of the continuous spectrum with smoothness of Kato type. (English. Russian original) Zbl 0525.47012 Ukr. Math. J. 35, 293-298 (1983); translation from Ukr. Mat. Zh. 35, No. 3, 342-347 (1983). MSC: 47A55 47B25 PDFBibTeX XMLCite \textit{I. P. P. Syroid}, Ukr. Math. J. 35, 293--298 (1983; Zbl 0525.47012); translation from Ukr. Mat. Zh. 35, No. 3, 342--347 (1983) Full Text: DOI
Orochko, Yu. B. Method of operator cosine in the problem of essential selfadjointness of a nonsemibounded symmetric operator. (English. Russian original) Zbl 0487.47026 Ukr. Math. J. 33, 268-273 (1982); translation from Ukr. Mat. Zh. 33, 348-355 (1981). MSC: 47B25 47E05 PDFBibTeX XMLCite \textit{Yu. B. Orochko}, Ukr. Math. J. 33, 268--273 (1982; Zbl 0487.47026); translation from Ukr. Mat. Zh. 33, 348--355 (1981) Full Text: DOI
Samojlenko, V. G. A difference operator with infinitely many variables. (English. Russian original) Zbl 0455.47023 Ukr. Math. J. 31, 465-467 (1980); translation from Ukr. Mat. Zh. 31, 586-588 (1979). MSC: 47B39 47A55 47A20 47B25 PDFBibTeX XMLCite \textit{V. G. Samojlenko}, Ukr. Math. J. 31, 465--467 (1980; Zbl 0455.47023); translation from Ukr. Mat. Zh. 31, 586--588 (1979) Full Text: DOI
Kosyak, A. V.; Samojlenko, Yu. S. Families of commuting self-adjoint operators. (English) Zbl 0438.47025 Ukr. Math. J. 31, 440-441 (1980). MSC: 47B25 47A10 81Q10 46E35 46A13 46A11 PDFBibTeX XMLCite \textit{A. V. Kosyak} and \textit{Yu. S. Samojlenko}, Ukr. Math. J. 31, 440--441 (1980; Zbl 0438.47025) Full Text: DOI