Xu, Jiafa; Liu, Jie; O’Regan, Donal Solvability for a Hadamard-type fractional integral boundary value problem. (English) Zbl 07781192 Nonlinear Anal., Model. Control 28, No. 4, 672-696 (2023). Reviewer: Abdelghani Ouahab (Sidi bel Abbès) MSC: 34A08 34B10 34B18 47H10 PDFBibTeX XMLCite \textit{J. Xu} et al., Nonlinear Anal., Model. Control 28, No. 4, 672--696 (2023; Zbl 07781192) Full Text: Link
Boudaoui, Ahmed; Krichen, Bilel; Laksaci, Noura; O’Regan, Donal Fixed point theorems in generalized Banach spaces under G-weak topology features. (English) Zbl 1519.47055 Indian J. Pure Appl. Math. 54, No. 2, 532-546 (2023). MSC: 47H10 45G15 54H25 PDFBibTeX XMLCite \textit{A. Boudaoui} et al., Indian J. Pure Appl. Math. 54, No. 2, 532--546 (2023; Zbl 1519.47055) Full Text: DOI
Darwish, Mohamed Abdalla; Metwali, Mohamed M. A.; O’Regan, Donal Unique solvability of fractional quadratic nonlinear integral equations. (English) Zbl 1488.45016 Differ. Equ. Appl. 13, No. 1, 1-13 (2021). MSC: 45G10 26A33 47N20 PDFBibTeX XMLCite \textit{M. A. Darwish} et al., Differ. Equ. Appl. 13, No. 1, 1--13 (2021; Zbl 1488.45016) Full Text: DOI
Saker, S. H.; Osman, M. M.; O’Regan, D.; Agarwal, R. P. Hardy-type operators with general kernels and characterizations of dynamic weighted inequalities. (English) Zbl 1473.26032 Ann. Pol. Math. 126, No. 1, 55-78 (2021). Reviewer: Raghib Abu-Saris (Edmonton) MSC: 26D15 26A15 26D10 34A40 39A13 PDFBibTeX XMLCite \textit{S. H. Saker} et al., Ann. Pol. Math. 126, No. 1, 55--78 (2021; Zbl 1473.26032) Full Text: DOI
Hassan, Taher S.; O’Regan, Donal Oscillatory behavior of solutions of dynamic equations of higher order on time scales. (English) Zbl 1445.34127 Rocky Mt. J. Math. 50, No. 2, 599-617 (2020). MSC: 34N05 34K11 39A10 PDFBibTeX XMLCite \textit{T. S. Hassan} and \textit{D. O'Regan}, Rocky Mt. J. Math. 50, No. 2, 599--617 (2020; Zbl 1445.34127) Full Text: DOI Euclid
Herlea, Diana-Raluca; O’Regan, Donal; Precup, Radu Harnack type inequalities and multiple solutions in cones of nonlinear problems. (English) Zbl 1444.47065 Z. Anal. Anwend. 39, No. 2, 151-170 (2020). Reviewer: Vincenzo Vespri (Firenze) MSC: 47J05 47H07 34B15 34B18 PDFBibTeX XMLCite \textit{D.-R. Herlea} et al., Z. Anal. Anwend. 39, No. 2, 151--170 (2020; Zbl 1444.47065) Full Text: DOI
Jiang, Jiqiang; O’Regan, Donal; Xu, Jiafa; Fu, Zhengqing Positive solutions for a system of nonlinear Hadamard fractional differential equations involving coupled integral boundary conditions. (English) Zbl 1499.34182 J. Inequal. Appl. 2019, Paper No. 204, 18 p. (2019). MSC: 34B18 34A08 47N20 26A33 PDFBibTeX XMLCite \textit{J. Jiang} et al., J. Inequal. Appl. 2019, Paper No. 204, 18 p. (2019; Zbl 1499.34182) Full Text: DOI
Saker, S. H.; Osman, M. M.; O’Regan, D.; Agarwal, R. P. Levinson type inequalities and their extensions via convexity on time scales. (Levinson type inequalitis and their extensions via convexity on time scales.) (English) Zbl 1409.26016 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 1, 299-314 (2019). MSC: 26D15 26E70 PDFBibTeX XMLCite \textit{S. H. Saker} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 1, 299--314 (2019; Zbl 1409.26016) Full Text: DOI
Liu, Kui; Wang, JinRong; O’Regan, Donal Ulam-Hyers-Mittag-Leffler stability for \(\psi\)-Hilfer fractional-order delay differential equations. (English) Zbl 1458.34128 Adv. Difference Equ. 2019, Paper No. 50, 12 p. (2019). MSC: 34K20 34A08 26A33 34K27 PDFBibTeX XMLCite \textit{K. Liu} et al., Adv. Difference Equ. 2019, Paper No. 50, 12 p. (2019; Zbl 1458.34128) Full Text: DOI
Averna, Diego; O’Regan, Donal; Tornatore, Elisabetta Multiple solutions for fractional boundary value problems. (English) Zbl 1409.34007 Bull. Iran. Math. Soc. 44, No. 1, 137-148 (2018). MSC: 34A08 34B08 34B18 PDFBibTeX XMLCite \textit{D. Averna} et al., Bull. Iran. Math. Soc. 44, No. 1, 137--148 (2018; Zbl 1409.34007) Full Text: DOI
Aghajani, Asadollah; Mirafzal, Mohsen; O’Regan, Donald Conditions for approaching the origin without intersecting the \(x\)-axis in the Liénard plane. (English) Zbl 1488.34218 Filomat 31, No. 12, 3761-3770 (2017). MSC: 34C05 34C37 34A34 PDFBibTeX XMLCite \textit{A. Aghajani} et al., Filomat 31, No. 12, 3761--3770 (2017; Zbl 1488.34218) Full Text: DOI
Xu, Jiafa; O’Regan, Donal Positive solutions for a second order boundary value problem on time scales. (English) Zbl 1343.34215 J. Appl. Math. Comput. 51, No. 1-2, 127-144 (2016). MSC: 34N05 34B18 47H11 PDFBibTeX XMLCite \textit{J. Xu} and \textit{D. O'Regan}, J. Appl. Math. Comput. 51, No. 1--2, 127--144 (2016; Zbl 1343.34215) Full Text: DOI
Agarwal, Ravi P.; Lupulescu, Vasile; O’Regan, Donal; Rahman, Ghaus Ur Weak solutions for fractional differential equations in nonreflexive Banach spaces via Riemann-Pettis integrals. (English) Zbl 1339.34005 Math. Nachr. 289, No. 4, 395-409 (2016). MSC: 34A08 26A33 47H40 34G20 26A42 PDFBibTeX XMLCite \textit{R. P. Agarwal} et al., Math. Nachr. 289, No. 4, 395--409 (2016; Zbl 1339.34005) Full Text: DOI
Agarwal, Ravi P.; Lupulescu, Vasile; O’Regan, Donal; Rahman, Ghaus ur Nonlinear fractional differential equations in nonreflexive Banach spaces and fractional calculus. (English) Zbl 1422.34180 Adv. Difference Equ. 2015, Paper No. 112, 18 p. (2015). MSC: 34G20 34A12 34A08 26A33 45G10 PDFBibTeX XMLCite \textit{R. P. Agarwal} et al., Adv. Difference Equ. 2015, Paper No. 112, 18 p. (2015; Zbl 1422.34180) Full Text: DOI
Agarwal, Ravi P.; Lupulescu, Vasile; O’Regan, Donal; ur Rahman, Ghaus Fractional calculus and fractional differential equations in nonreflexive Banach spaces. (English) Zbl 1311.34010 Commun. Nonlinear Sci. Numer. Simul. 20, No. 1, 59-73 (2015). MSC: 34A08 34A12 34G20 PDFBibTeX XMLCite \textit{R. P. Agarwal} et al., Commun. Nonlinear Sci. Numer. Simul. 20, No. 1, 59--73 (2015; Zbl 1311.34010) Full Text: DOI
Agarwal, Ravi P.; Awan, Abdul Sami; O’Regan, Donal; Younus, Awais Linear impulsive Volterra integro-dynamic system on time scales. (English) Zbl 1417.34212 Adv. Difference Equ. 2014, Paper No. 6, 17 p. (2014). MSC: 34N05 34A37 34D05 45D05 PDFBibTeX XMLCite \textit{R. P. Agarwal} et al., Adv. Difference Equ. 2014, Paper No. 6, 17 p. (2014; Zbl 1417.34212) Full Text: DOI
Galewski, Marek; Nowakowski, Andrzej; O’Regan, Donal; Orpel, Aleksandra The dual variational method for \(n\)-th order ODEs with multipoint boundary conditions. (English) Zbl 1307.34038 Appl. Anal. 93, No. 5, 957-971 (2014). Reviewer: Chun-Lei Tang (Chongqing) MSC: 34B10 34B15 58E50 34B18 PDFBibTeX XMLCite \textit{M. Galewski} et al., Appl. Anal. 93, No. 5, 957--971 (2014; Zbl 1307.34038) Full Text: DOI
O’Regan, Donal; Orpel, Aleksandra A variational approach to the eigenvalue problem for higher order BVPs with singular nonlinearities. (English) Zbl 1246.65135 Appl. Math. Comput. 218, No. 20, 10063-10071 (2012). MSC: 65L15 PDFBibTeX XMLCite \textit{D. O'Regan} and \textit{A. Orpel}, Appl. Math. Comput. 218, No. 20, 10063--10071 (2012; Zbl 1246.65135) Full Text: DOI
O’Regan, Donal; Orpel, Aleksandra Eigenvalue intervals for higher order problems with singular nonlinearities. (English) Zbl 1233.34006 Appl. Math. Comput. 218, No. 4, 1233-1239 (2011). Reviewer: George Karakostas (Ioannina) MSC: 34B09 34B10 34B18 34B08 47N20 PDFBibTeX XMLCite \textit{D. O'Regan} and \textit{A. Orpel}, Appl. Math. Comput. 218, No. 4, 1233--1239 (2011; Zbl 1233.34006) Full Text: DOI
Yuan, Chengjun; Jiang, Daqing; O’Regan, Donal Existence and uniqueness of positive solutions for fourth-order nonlinear singular continuous and discrete boundary value problems. (English) Zbl 1169.34315 Appl. Math. Comput. 203, No. 1, 194-201 (2008). Reviewer: Eric R. Kaufmann (Little Rock) MSC: 34B18 34B16 34A45 PDFBibTeX XMLCite \textit{C. Yuan} et al., Appl. Math. Comput. 203, No. 1, 194--201 (2008; Zbl 1169.34315) Full Text: DOI
Agarwal, Ravi P.; O’Regan, Donal; Saker, S. H. Philos-type oscillation criteria for second order half-linear dynamic equations on time scales. (English) Zbl 1139.34029 Rocky Mt. J. Math. 37, No. 4, 1085-1104 (2007). MSC: 34C10 39A10 PDFBibTeX XMLCite \textit{R. P. Agarwal} et al., Rocky Mt. J. Math. 37, No. 4, 1085--1104 (2007; Zbl 1139.34029) Full Text: DOI Euclid
Saker, Samir H.; Agarwal, Ravi P.; O’Regan, Donal Oscillation of second-order damped dynamic equations on time scales. (English) Zbl 1128.34022 J. Math. Anal. Appl. 330, No. 2, 1317-1337 (2007). Reviewer: Antonio Linero Bas (Murcia) MSC: 34C10 39A12 PDFBibTeX XMLCite \textit{S. H. Saker} et al., J. Math. Anal. Appl. 330, No. 2, 1317--1337 (2007; Zbl 1128.34022) Full Text: DOI