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1

On the solvability of a Neumann boundary value problem for the differential equation

P Palamides, P Kelevedjiev, N Popivanov

Journal:

Boundary Value Problems

Year:

2012

Language:

english

File:

PDF, 172 KB

english, 2012

2

Second-order initial value problems with singularities

Kelevedjiev, Petio, Popivanov, Nedyu

Journal:

Boundary Value Problems

Year:

2014

Language:

english

File:

PDF, 1.24 MB

english, 2014

3

Solvability of two-point boundary value problems

Petio Kelevedjiev

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

1996

Language:

english

File:

PDF, 455 KB

english, 1996

4

On the solvability of a singular initial value problem using barrier strips

P.S. Kelevedjiev, Donal O’Regan

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

2006

Language:

english

File:

PDF, 152 KB

english, 2006

5

On a singular boundary value problem for the differential equation using barrier strips

P.S. Kelevedjiev, D. O’Regan, N.I. Popivanov

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

2006

Language:

english

File:

PDF, 246 KB

english, 2006

6

Existence of solutions to an initial value problem for the differential equation using barrier strips

P.S. Kelevedjiev, D. O’Regan, J. Seman

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

2007

Language:

english

File:

PDF, 224 KB

english, 2007

7

Singular and nonsingular first-order initial value problems

P.S. Kelevedjiev, S. Tersian

Journal:

Journal of Mathematical Analysis and Applications

Year:

2010

Language:

english

File:

PDF, 272 KB

english, 2010

8

Existence of solutions to initial value problems for first-order differential equations

P Kelevedjiev, J Seman

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

2004

Language:

english

File:

PDF, 222 KB

english, 2004

9

Existence of positive solutions to a singular second order boundary value problem

Petio Kelevedjiev

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

2002

Language:

english

File:

PDF, 105 KB

english, 2002

10

On the existence of solutions of boundary value problems for second order differential equations

Petio Kelevedjiev

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

1998

Language:

english

File:

PDF, 409 KB

english, 1998

11

Nonnegative solutions to some singular second-order boundary value problems

Petio Kelevedjiev

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

1999

Language:

english

File:

PDF, 104 KB

english, 1999

12

Existence results for singular initial value problems for first order differential equations

Petio Kelevedjiev

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

2000

Language:

english

File:

PDF, 101 KB

english, 2000

13

Existence results for second order boundary value problems using the barrier strip technique

P. S. Kelevedjiev, D. O’Regan, N. Popivanov, R. P. Agarwal

Journal:

Aequationes Mathematicae

Year:

2010

Language:

english

File:

PDF, 171 KB

english, 2010

14

Existence of Solutions to a Singular Initial Value Problem

R. P. Agarwal, P. S. Kelevedjiev

Journal:

Acta Mathematica Sinica, English Series (Springer)

Year:

2007

Language:

english

File:

PDF, 162 KB

english, 2007

15

On the solvability of a singular boundary-value problem for the equationf(t, x, x′,x″) = 0

M. K. Grammatikopoulos, P. S. Kelevedjiev, N. I. Popivanov

Journal:

Journal of Mathematical Sciences

Year:

2008

Language:

english

File:

PDF, 180 KB

english, 2008

16

Existence of solutions for two-point boundary value problems

Petio Kelevedjiev

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

1994

Language:

english

File:

PDF, 458 KB

english, 1994

17

Nonexistence of solutions for two-point boundary value problems

Petio Kelevedjiev

Journal:

Nonlinear Analysis: Theory, Methods & Applications

Year:

1994

Language:

english

File:

PDF, 236 KB

english, 1994

18

Barrier strips and positive solutions of first order singular and regular initial value problems

R. P. Agarwal, P. S. Kelevedjiev, D. O’Regan

Journal:

Differential Equations

Year:

2009

Language:

english

File:

PDF, 247 KB

english, 2009

19

AIP Conference Proceedings [AIP Publishing LLC APPLICATIONS OF MATHEMATICS IN ENGINEERING AND ECONOMICS (AMEE'14) - Sozopol, Bulgaria (8–13 June 2014)] - On the solvability of a second-order singular initial value problem

Kelevedjiev, P., Popivanov, N., Bekesheva, L.

Year:

2014

Language:

english

File:

PDF, 729 KB

english, 2014

20

AIP Conference Proceedings [AIP Publishing LLC 41ST INTERNATIONAL CONFERENCE “APPLICATIONS OF MATHEMATICS IN ENGINEERING AND ECONOMICS” AMEE ’15 - Sozopol, Bulgaria (8–13 June 2015)] - Existence of solutions for a class of third-order nonlinear boundary value problem

Kelevedjiev, P., Popivanov, N., Bekesheva, L.

Year:

2015

Language:

english

File:

PDF, 392 KB

english, 2015

21

On the Solvability of Fourth-Order Two-Point Boundary Value Problems

Agarwal, Ravi P., Kelevedjiev, Petio S.

Journal:

Year:

2020

File:

PDF, 293 KB

2020

22

On the Solvability of Nonlinear Third-Order Two-Point Boundary Value Problems

Agarwal, Ravi P., Kelevedjiev, Petio S., Todorov, Todor Z.

Journal:

Year:

2020

File:

PDF, 263 KB

2020

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