On some problems concerning the convergence spaces and groups
On some problems of local approximability in compact spaces
On some problems of the theory of the difference schemes
On some properties of the function class and applications to Hilbert space operators
On some qualitative methods for systems of ordinary diferential equations in the large
On some rational fibrations with nonvanishing Massey products over homogeneous spaces
The main result of this brief note asserts, incorrectly, that there exists a rational fibration whose total space admits nonzero Massey products. The methods used would be appropriate for showing results of this kind, if the circumstances were to allow for it. Unfortunately the author makes a simple, but nonetheless fatal, computational error in his calculation that ostensibly shows the existence of a nonzero Massey product (p. 249, 1.13: . In fact, for any rational fibration the total space...
On some recent results on the numerical problems in semiconductor device simulation
On some relations between curvature and metric tensors in Riemannian spaces
The paper generalizes results of H. H. Hacisalihoglu and A. Kh. Amirov [Dokl. Akad. Nauk, Ross. Akad. Nauk 351, No. 3, 295-296 (1996; Zbl 0895.53038) and Sib. Mat. Zh. 39, No. 4, 1005-1012 (1998; Zbl 0913.53019)] on the existence and uniqueness of a Riemannian metric on a domain in given prescribed values for some of the components of the Riemann curvature tensor and initial values of the metric and its partial derivatives. The authors establish the construction (existence and uniqueness) of a...
On some results concerning -spaces
On some results concerning topological spaces and their continuous mappings
On some semilinear Volterra diffusion equations arising in ecology
On some singular boundary value problems for ordinary differential equations
On some spaces of functions and distributions
On some stability problems
On some topological games
On spaces of vector-valued continuous functions
On sprays and connections
[For the entire collection see Zbl 0699.00032.] A connection structure (M,H) and a path structure (M,S) on the manifold M are called compatible, if locally where and express the semi-spray S and the connection map H, resp. In the linear case of H its geodesic spray S is quadratic: On the contrary, the homogeneity condition of S induces the relation for the compatible connection H, whence it follows not that H is linear, i.e. if a connection structure is compatible with a spray, then...
On stabilization of functions and free boundary variational problems on unbounded intervals [Summary]
On strong continuity of a partial order
On the approximation of eigenvalues of non-selfadjoint operators