Existence results for superlinear semipositone BVP’s V Anuradha, D Hai, R Shivaji
Proceedings of the American Mathematical Society 124 (3), 757-763, 1996
275 1996 Diffusive logistic equation with constant yield harvesting, I: Steady states S Oruganti, J Shi, R Shivaji
Transactions of the American Mathematical Society 354 (9), 3601-3619, 2002
188 2002 S-shaped bifurcation curves KJ Brown, MMA Ibrahim, R Shivaji
Nonlinear Analysis: Theory, Methods & Applications 5 (5), 475-486, 1981
188 1981 Non-negative solutions for a class of non-positone problems A Castro, R Shivaji
Proceedings of the Royal Society of Edinburgh Section A: Mathematics 108 (3 …, 1988
182 1988 Persistence in reaction diffusion models with weak Allee effect J Shi, R Shivaji
Journal of Mathematical Biology 52 (6), 807-829, 2006
181 2006 An existence result on positive solutions for a class of p-Laplacian systems DD Hai, R Shivaji
Nonlinear Analysis: Theory, Methods & Applications 56 (7), 1007-1010, 2004
163 2004 Nonlinear eigenvalue problems with semipositone structure. A Castro, C Maya, R Shivaji
Electronic Journal of Differential Equations (EJDE)[electronic only] 2000, 33-49, 2000
110 2000 Nonnegative solutions for a class of radially symmetric nonpositone problems A Castro, R Shivaji
Proceedings of the American Mathematical Society 106 (3), 735-740, 1989
102 1989 Multiple positive solutions for classes of -Laplacian equations M Ramaswamy, R Shivaji
80 2004 Positive solutions of quasilinear boundary value problems DD Hai, K Schmitt, R Shivaji
Journal of mathematical analysis and applications 217 (2), 672-686, 1998
73 1998 An existence result on positive solutions for a class of semilinear elliptic systems DD Hai, R Shivaji
Proceedings of the Royal Society of Edinburgh Section A: Mathematics 134 (1 …, 2004
71 2004 A remark on the existence of three solutions via sub-super solutions R Shivaji
Nonlinear analysis and applications, 561-566, 2020
70 2020 Existence results for classes of sublinear semipositone problems A Castro, JB Garner, R Shivaji
Results in Mathematics 23, 214-220, 1993
68 1993 Uniqueness of non-negative solutions for a semipositone problem with concave nonlinearity A Castro, M Hassanpour, R Shivaji
Communications In Partial Differential Equations 20 (11-12), 1927-1936, 1995
66 1995 Uniqueness and stability of nonnegative solutions for semipositone problems in a ball I Ali, A Castro, R Shivaji
Proceedings of the American Mathematical Society 117 (3), 775-782, 1993
61 1993 Positive solutions for a class of p-Laplacian systems with multiple parameters J Ali, R Shivaji
Journal of mathematical analysis and applications 335 (2), 1013-1019, 2007
57 2007 Nonexistence of radially symmetric nonnegative solutions for a class of semi-positone problems KJ Brown, A Castro, R Shivaji
56 1989 Logistic equation with the -Laplacian and constant yield harvesting S Oruganti, J Shi, R Shivaji
Abstract and Applied Analysis 2004, 723-727, 2004
54 2004 Positive solutions for a concave semipositone Dirichlet problem A Castro, R Shivaji
52 1998 Classes of infinite semipositone systems EK Lee, R Shivaji, J Ye
Proceedings of the Royal Society of Edinburgh Section A: Mathematics 139 (4 …, 2009
50 2009