A note on positivity of two-dimensional differential operatorsWe consider the
two-dimensional differential operator A(t,x)u(t, x) = -a11 (t, x) utt - a22(t, x
Two-dimensional reductions of the cone of positive diagonal operators in ℓ2 that there is no
two-dimensional orthoprojector in the Hilbert
space l2 for which the reduction of the cone of positive
Low thrust transfers to space debris object neighborhood solution of impulse transfer (in five-
dimensional space of deviations) between close low
Об аппроксимативных числах двумерного прямоугольного оператора ХардиUpper and lower bounds are obtained for the approximation numbers of the
two-dimensional Pore-Scale Investigation of Two-Phase Flows in Three-Dimensional Digital Models of Natural Sandstones-phase flow through a porous medium in three-
dimensional digital models of the porous
space of three natural
Two Linearized Schemes for One-Dimensional Time and Space Fractional Differential EquationsThis paper investigates the solution to one-
dimensional fractional differential equations with
two Positivity of the difference neutron transport operatorIn the present study, a
two-dimensional difference neutron transport operator is considered
Kochen-Specker Theorem in Krein Space three-
dimensional Krein
space there exists unique
two-valued probability measure.
Algorithm for Numerical Solution of Diffraction Problem on the Joint of Two Open Three-Layer Waveguides equation with a variable coefficient in
two-dimensional space. The eigenmode problem for an open three