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Found 53 Documents (Results 1–53)

The Selberg trace formula, Ramanujan graphs and some problems of mathematical physics. (English. Russian original) Zbl 0882.11032

St. Petersbg. Math. J. 5, No. 3, 419-484 (1994); translation from Algebra Anal. 5, No. 3, 1-76 (1993).
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Fixed points, zeros and intermediate values of holomorphic maps in complex Banach spaces. (English) Zbl 0846.46028

Dimovski, Ivan et al., Complex analysis and generalized functions. Papers from the fifth international conference on complex analysis and applications and symposium on generalized functions held in Varna, Bulgaria, September 15-21, 1991. Sofia: Publishing House of the Bulgarian Academy. 336-343 (1993).
MSC:  46G20 47H10 46G05
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A method for constructing invariant subspaces for some operators on Kreĭn spaces. (English) Zbl 0809.47031

Gheondea, A. (ed.) et al., Operator extensions, interpolation of functions and related topics. 14th international conference on operator theory, Timişoara (Romania), June 1-5, 1992. Basel: Birkhäuser Verlag. Oper. Theory, Adv. Appl. 61, 85-113 (1993).
MSC:  47B50 47A15 46C20
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Spectral synthesis in a complex domain for a differential operator with constant coefficients. I: A duality theorem. (English. Russian original) Zbl 0774.34060

Math. USSR, Sb. 74, No. 2, 309-335 (1993); translation from Mat. Sb. 182, No. 11, 1559-1587 (1991).
MSC:  34L05 34M99
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