Search Results - "Ptashnyk, B. I."

Problem with Integral Conditions in the Time Variable for a Sobolev-Type System of Equations with Constant Coefficients by Kuz’, A. M., Ptashnyk, B. I.

“…In a domain obtained as a Cartesian product of an interval [0 ,T ] and the space ℝ p , p ∈ ℕ , for a system of equations (with constant coefficients) unsolved…”
Get full text

Boundary-Value Problem with Mixed Conditions for Typeless Linear Partial Differential Equations by Ptashnyk, B. I., Repetylo, S. M.

“…In the domain obtained as the Cartesian product of a segment 0 ≤ t ≤ T by a p -dimensional torus in the variables x 1 ,…,x p , p ≥ 1 , we study the problem…”
Get full text

Well-posedness of boundary-value problems for multidimensional hyperbolic systems by Kmit’, I. Ya, Ptashnyk, B. I.

“…By using the method of characteristics, we investigate the well-posedness of local problems (Cauchy problem and mixed problems) and nonlocal problems (with…”
Get full text

An ill-posed nonlocal two-point problem for systems of partial differential equations by Il’kiv, V. S., Ptashnyk, B. I.

Get full text

A Problem with Condition Containing an Integral Term for a Parabolic-Hyperbolic Equation by Kuz’, A. M., Ptashnyk, B. I.

“…In a layer obtained as the Cartesian product of an interval [ −T 1 ,T 2 ] , T 1 ,T 2 > 0 , and a space ℝ p , p ≥ 1 , we study a problem with nonlocal condition…”
Get full text

Multipoint Problem for B-Parabolic Equations by Ptashnyk, B. I., Tymkiv, I. R.

“…We establish conditions for the well-posedness of a problem with multipoint conditions in the time variable and some boundary conditions in the space…”
Get full text

A problem with integral conditions with respect to time for Gårding hyperbolic equations by Kuz’, A. M., Ptashnyk, B. I.

“…In a domain specified in the form of a Cartesian product of a segment [0, T ] and the space , we study a problem with integral conditions with respect to the…”
Get full text

Nonlocal boundary-value problem for linear partial differential equations unsolved with respect to the higher time derivative by Vlasii, O. D., Ptashnyk, B. I.

Get full text

Problems for partial differential equations with nonlocal conditions. Metric approach to the problem of small denominators by Il’kiv, V. S., Ptashnyk, B. I.

Get full text

A Problem with Nonlocal Conditions for Partial Differential Equations Unsolved with Respect to the Leading Derivative by Vlasii, O. D., Ptashnyk, B. I.

Get full text

A multipoint problem for partial differential equations unresolved with respect to the higher time derivative by Klyus, I. S., Ptashnyk, B. I.

Get full text

A multipoint problem for partial integro-differential equations by Vasylyshyn, P. B., Ptashnyk, B. I.

Get full text

All-Ukrainian scientific conference “New approaches to the solution of differential equations” by Samoilenko, A. M., Ptashnyk, B. I.

Get full text

Nonlocal boundary-value problems for systems on linear partial differential equations by Goi, T. P., Ptashnyk, B. I.

Get full text

Multipoint problem for typeless systems of differential equations with constant coefficients by Ptashnyk, B. I., Sylyuha, L. P.

Get full text

Representation and investigation of solutions of a nonlocal boundary-value problem for a system of partial differential equations by H’kiv, V. S., Ptashnyk, B. I.

Get full text

Multipoint problem for typeless factorized differential operators by Ptashnyk, B. I., Sylyuga, L. P.

Get full text

Nonlocal boundary-value problem for parabolic equations with variable coefficients by Zadorozhna, N. M., Ptashnyk, B. I.

Get full text

Boundary-value problems for hyperbolic equations with constant coefficients by Bobyk, I. O., Ptashnyk, B. I.

Get full text

A multipoint problem with multiple nodes for linear hyperbolic equations by Bernik, V. I., Beresnevich, V. V., Vasylyshyn, P. B., Ptashnyk, B. I.

Get full text