Works matching William Leggett

Results: 188

Triple solutions for a nonlocal functional boundary value problem by leggett-williams theorem.

Published in:

Applicable Analysis, 2004, v. 83, n. 9, p. 957, doi. 10.1080/00036810410001724571

By:

Karakostas, G.L.;
Mavridis, K.G.;
Tsamatos, P.C.H.

Publication type:

Article

TWO MODIFICATIONS OF THE LEGGETT-WILLIAMS FIXED POINT THEOREM AND THEIR APPLICATIONS.

Published in:

Electronic Journal of Differential Equations, 2010, v. 2010, p. 1

By:

MAVRIDIS, KYRIAKOS G.

Publication type:

Article

FUNCTIONAL EXPANSION - COMPRESSION FIXED POINT THEOREM OF LEGGETT-WILLIAMS TYPE.

Published in:

Electronic Journal of Differential Equations, 2010, v. 2010, p. 1

By:

ANDERSON, DOUGLAS R.;
AVERY, RICHARD I.;
HENDERSON, JOHNNY

Publication type:

Article

Expansion-compression fixed point theorem of Leggett-Williams type for the sum of two operators and applications for some classes of BVPs.

Published in:

Studia Universitatis Babeș-Bolyai, Mathematica, 2023, v. 68, n. 3, p. 631, doi. 10.24193/subbmath.2023.3.12

By:

Benslimane, Salim;
Georgiev, Svetlin G.;
Mebarki, Karima

Publication type:

Article

LEGGETT-WILLIAMS FIXED POINT THEOREM TYPE FOR SUMS OF OPERATORS AND APPLICATION IN PDES.

Published in:

Differential Equations & Applications, 2021, v. 13, n. 3, p. 321, doi. 10.7153/dea-2021-13-18

By:

GEORGIEV, SVETLIN GEORGIEV;
MEBARKI, KARIMA

Publication type:

Article

William Martin Leggett : The "Bard of New Brunswick" in Australia.

Published in:

Script & Print, 2016, v. 40, n. 4, p. 199

By:

VENING, CHRIS

Publication type:

Article

Leggett-Williams norm-type theorems for coincidences.

Published in:

Archiv der Mathematik, 2006, v. 87, n. 3, p. 233, doi. 10.1007/s00013-006-1661-6

By:

Donal O’Regan;
Mirosława Zima

Publication type:

Article

带积分边界条件的二阶脉冲微分方程的 3 个正解及其应用.

Published in:

China Sciencepaper, 2016, v. 11, n. 17, p. 1965

By:

田亚芳;
张学梅

Publication type:

Article

一类带参数的四阶两点边值问题的多解性.

Published in:

Acta Scientiarum Naturalium Universitatis Sunyatseni / Zhongshan Daxue Xuebao, 2020, v. 59, n. 6, p. 163, doi. 10.13471/j.cnki.acta.snus.2019.10.10.2019A077

By:

张建梅;
李杰梅

Publication type:

Article

含参数分数阶微分方程边值问题正解的存在性.

Published in:

Journal of Guangxi Normal University - Natural Science Edition, 2024, v. 42, n. 6, p. 177, doi. 10.16088/j.issn.1001-6600.2023112205

By:

罗茜;
许勇强

Publication type:

Article

Fixed point theorem utilizing operators and functionals.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2012, n. 1-24, p. 1, doi. 10.14232/ejqtde.2012.1.12

By:

Anderson, Douglas R.;
Avery, Richard I.;
Henderson, Johnny;
Xueyan Liu

Publication type:

Article

EXISTENCE OF MULTIPLE POSITIVE SOLUTIONS TO THE CAPUTO-TYPE NONLINEAR FRACTIONAL DIFFERENTIAL EQUATION WITH INTEGRAL BOUNDARY VALUE CONDITIONS.

Published in:

Fixed Point Theory, 2022, v. 23, n. 1, p. 127, doi. 10.24193/fpt-ro.2022.1.08

By:

ASADUZZAMAN, MD.;
ALI, MD. ZULFIKAR

Publication type:

Article

Multiplicity results for fourth order problems related to the theory of deformations beams.

Published in:

Discrete & Continuous Dynamical Systems - Series B, 2020, v. 25, n. 2, p. 489, doi. 10.3934/dcdsb.2019250

By:

Cabada, Alberto;
Jebari, Rochdi

Publication type:

Article

Multiple positive solutions and stability results for nonlinear fractional delay differential equations involving p ‐Laplacian operator.

Published in:

Mathematical Methods in the Applied Sciences, 2023, v. 46, n. 14, p. 14947, doi. 10.1002/mma.9355

By:

Zhang, Lingling;
Addai, Emmanuel

Publication type:

Article

TRIPLE POSITIVE SOLUTIONS FOR A CLASS OF BOUNDARY VALUE PROBLEMS WITH INTEGRAL BOUNDARY CONDITIONS.

Published in:

Bulletin of the Transilvania University of Brasov, Series III: Mathematics, Informatics, Physics, 2020, v. 13, n. 1, p. 51, doi. 10.31926/but.mif.2020.13.62.1.5

By:

BENAICHA, Slimane;
BOUTERAA, Noureddine;
DJOURDEM, Habib

Publication type:

Article

Existence of Positive Solutions for a Kind of Fractional Multi-point Boundary Value Problems at Resonance.

Published in:

IAENG International Journal of Applied Mathematics, 2019, v. 49, n. 3, p. 281

By:

Tingting Xue;
Xiaolin Fan;
Jiabo Xu

Publication type:

Article

Existence and multiplicity of solutions of fractional differential equations on infinite intervals.

Published in:

Boundary Value Problems, 2024, v. 2024, n. 1, p. 1, doi. 10.1186/s13661-024-01832-8

By:

Zhou, Weichen;
Hao, Zhaocai;
Bohner, Martin

Publication type:

Article

Double Positive Solutions of Fourth-Order Nonlinear Boundary Value Problems.

Published in:

Applicable Analysis, 2003, v. 82, n. 4, p. 369, doi. 10.1080/0003681031000063685

By:

Liu Yuji;
Ge Weigao

Publication type:

Article

Multiple Monotone Positive Solutions to 3rd-Order Boundary Value Problems Involving Riemann-Stieltjes Integral Conditions.

Published in:

Applied Mathematics & Mechanics (1000-0887), 2015, v. 36, n. 7, p. 779, doi. 10.3879/j.issn.1000-0887.2015.07.010

By:

ZHANG Hai-e

Publication type:

Article

Application of the omitted ray fixed point theorem.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2014, n. 4-30, p. 1, doi. 10.14232/ejqtde.2014.1.17

By:

Anderson, Douglas R.;
Avery, Richard I.

Publication type:

Article

Triple Positive Solutions of BVP for Second Order ODE with One Dimensional Laplacian on the Half Line.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2012, n. 1-24, p. 1, doi. 10.14232/ejqtde.2012.1.23

By:

Yuji Liu;
Wong, Patricia J. Y.

Publication type:

Article

Existence of multiple positive solutions of a nonlinear arbitrary order boundary value problem with advanced arguments.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2012, n. 1-24, p. 1

By:

Guotao Wang;
Lihong Zhang;
Ntouyas, Sotiris K.

Publication type:

Article

Multiple positive solutions for a nonlinear 2n-th order m-point boundary value problems.

Published in:

Electronic Journal of Qualitative Theory of Differential Equations, 2010, p. 1, doi. 10.14232/ejqtde.2010.1.39

By:

Youyu Wang;
Yantao Tang;
Meng Zhao

Publication type:

Article

Boundary value problems for second-order functional differential equations on infinite intervals.

Published in:

Nonlinear Studies, 2009, v. 16, n. 2, p. 171

By:

Xiping Liu;
Mei Jia;
Kaufmann, Eric R.

Publication type:

Article

Multiplicity of positive radial solutions of singular Minkowski-curvature equations.

Published in:

Archiv der Mathematik, 2019, v. 113, n. 4, p. 415, doi. 10.1007/s00013-019-01341-6

By:

Liang, Zaitao;
Duan, Lian;
Ren, Dandan

Publication type:

Article

Unbounded solutions of BVP for second order ODE with p-Laplacian on the half line.

Published in:

Applications of Mathematics, 2013, v. 58, n. 2, p. 179, doi. 10.1007/s10492-013-0009-3

By:

Liu, Yuji;
Wong, Patricia

Publication type:

Article

MULTIPLE POSITIVE SOLUTIONS FOR NONLINEAR BOUNDARY VALUE PROBLEMS WITH INTEGRAL BOUNDARY CONDITIONS.

Published in:

Archivum Mathematicum, 2008, v. 44, n. 1, p. 1

By:

Belarbi, Abdelkader;
Benchohra, Mouffak;
Ouahab, Abdelghani

Publication type:

Article

Positive solutions of an integral boundary value problem for singular differential equations of mixed type with p-Laplacian.

Published in:

Journal of Nonlinear Sciences & Applications (JNSA), 2016, v. 9, n. 12, p. 6048, doi. 10.22436/jnsa.009.12.12

By:

Changlong Yu;
Jufang Wang;
Yanping Guo

Publication type:

Article

EXISTENCE OF THREE NON-NEGATIVE SOLUTIONS FOR A THREE-POINT BOUNDARY-VALUE PROBLEM OF NONLINEAR FRACTIONAL DIFFERENTIAL EQUATIONS.

Published in:

Electronic Journal of Differential Equations, 2012, v. 2012, p. 1

By:

HAITAO LI;
XIANGSHAN KONG;
CHANGTIAN YU

Publication type:

Article

OPERATOR TYPE EXPANSION-COMPRESSION FIXED POINT THEOREM.

Published in:

Electronic Journal of Differential Equations, 2011, v. 2011, p. 1

By:

ANDERSON, DOUGLAS R.;
AVERY, RICHARD I.;
HENDERSON, JOHNNY;
LIU, XUEYAN

Publication type:

Article

EXISTENCE OF THREE POSITIVE PERIODIC SOLUTIONS FOR DIFFERENTIAL SYSTEMS WITH FEEDBACK CONTROLS ON TIME SCALES.

Published in:

Electronic Journal of Differential Equations, 2010, v. 2010, p. 1

By:

YONGKUN LI;
TIANWEI ZHANG;
JIANFENG SUO

Publication type:

Article

TRIPLE POSITIVE SOLUTIONS FOR THE Φ-LAPLACIAN WHEN Φ IS A SUP-MULTIPLICATIVE-LIKE FUNCTION.

Published in:

Electronic Journal of Differential Equations, 2004, v. 2004, p. 1

By:

Karakostas, George L.

Publication type:

Article

Existence and Multiplicity of Radially Symmetric k-Admissible Solutions for Dirichlet Problem of k-Hessian Equations.

Published in:

Mathematica Slovaca, 2022, v. 72, n. 1, p. 111, doi. 10.1515/ms-2022-0008

By:

He, Zhiqian;
Miao, Liangying

Publication type:

Article

Multiple positive solutions for nonlinear high-order Riemann–Liouville fractional differential equations boundary value problems with p-Laplacian operator.

Published in:

Boundary Value Problems, 2020, v. 2020, n. 1, p. 1, doi. 10.1186/s13661-020-01336-1

By:

Zhou, Bibo;
Zhang, Lingling;
Addai, Emmanuel;
Zhang, Nan

Publication type:

Article

Multiple Positive Solutions for Fractional Boundary Value Problems with Integral Boundary Conditions and Parameter Dependence.

Published in:

Foundations (2673-9321), 2022, v. 2, n. 3, p. 714, doi. 10.3390/foundations2030049

By:

Tabti, Hamza;
Belmekki, Mohammed

Publication type:

Article

Triple positive solutions for a second order m-point boundary value problem with a delayed argument.

Published in:

Boundary Value Problems, 2015, v. 2015, n. 1, p. 1, doi. 10.1186/s13661-015-0436-z

By:

Zhou, Jie;
Feng, Meiqiang

Publication type:

Article

Triple positive solutions of fourth-order impulsive differential equations with integral boundary conditions.

Published in:

Boundary Value Problems, 2015, v. 2015, p. 1, doi. 10.1186/s13661-014-0263-7

By:

Yaling Zhou;
XueMei Zhang

Publication type:

Article

THREE POSITIVE PERIODIC SOLUTIONS OF NONLINEAR DIFFERENTIAL EQUATIONS WITH PERIODIC COEFFICIENTS.

Published in:

Analysis & Applications, 2005, v. 3, n. 2, p. 145, doi. 10.1142/S0219530505000546

By:

Yuji Liu;
Weiguo Ge;
Zhanji Gui

Publication type:

Article

EXISTENCE THEOREMS OF POSITIVE SOLUTIONS FOR FOURTH-ORDER FOUR-POINT BOUNDARY VALUE PROBLEMS.

Published in:

Analysis & Applications, 2004, v. 2, n. 1, p. 71, doi. 10.1142/S0219530504000254

By:

LIU, YUJI;
GE, WEIGAO

Publication type:

Article

A perspective on successful implementation of ecosystem-based approaches to management and conservation in the Laurentian Great Lakes.

Published in:

Aquatic Ecosystem Health & Management, 2024, v. 27, n. 2, p. 9, doi. 10.14321/aehm.027.02.09

By:

Ludsin, Stuart A.;
Minns, Charles K.;
Munawar, Mohiuddin;
Alsip, Peter J.;
Andrade, Angela L.;
Boesch, Donald F.;
Carter, Caitriona;
Cilliers, Elizelle Juaneé;
Cohen-Shacham, Emmanuelle;
Escobedo, Francisco J.;
Frank, Kenneth T.;
Leggett, William C.;
Link, Jason S.;
Waylen, Kerry A.

Publication type:

Article

Sovereign of the Market: The Money Question in Early America by Jeffrey Sklansky (review).

Published in:

2019

By:

John, Richard R.

Publication type:

Book Review

Towards a more balanced assessment of the dynamics of North Atlantic ecosystems—a comment on Drinkwater and Kristiansen (2018).

Published in:

ICES Journal of Marine Science / Journal du Conseil, 2019, v. 76, n. 7, p. 2489, doi. 10.1093/icesjms/fsz102

By:

Frank, Kenneth T;
Petrie, Brian;
Leggett, William C;
Boyce, Daniel G

Publication type:

Article

Life on the edge: environmental determinants of tilefish (Lopholatilus chamaeleonticeps) abundance since its virtual extinction in 1882.

Published in:

ICES Journal of Marine Science / Journal du Conseil, 2014, v. 71, n. 9, p. 2371, doi. 10.1093/icesjms/fsu053

By:

Fisher, Jonathan A. D.;
Frank, Kenneth T.;
Petrie, Brian;
Leggett, William C.

Publication type:

Article

Irruptive prey dynamics following the groundfish collapse in the Northwest Atlantic: an illusion?

Published in:

ICES Journal of Marine Science / Journal du Conseil, 2013, v. 70, n. 7, p. 1299, doi. 10.1093/icesjms/fst111

By:

Frank, Kenneth T.;
Leggett, William C.;
Petrie, Brian D.;
Fisher, Jonathan A. D.;
Shackell, Nancy L.;
Taggart, Christopher T.

Publication type:

Article

Osmotic stress and mortality in adult American shad during transfer from saltwater to freshwater.

Published in:

Journal of Fish Biology, 1976, v. 8, n. 6, p. 459, doi. 10.1111/j.1095-8649.1976.tb03989.x

By:

Leggett, William C.;
O'Boyule, Robert N.

Publication type:

Article

Life history variations in populations of American shad, Alosa sapidissima (Wilson), spawning in tributaries of the St John River, New Brunswick.

Published in:

Journal of Fish Biology, 1975, v. 7, n. 5, p. 595, doi. 10.1111/j.1095-8649.1975.tb04633.x

By:

Carscadden, James E.;
Leggett, William C.

Publication type:

Article

The dynamics of exploited marine fish populations and Humpty Dumpty: similarities and differences.

Published in:

Restoration Ecology, 2023, v. 31, n. 1, p. 1, doi. 10.1111/rec.13680

By:

Frank, Kenneth T.;
Fisher, Jonathan A. D.;
Leggett, William C.

Publication type:

Article

The importance of scale to predator-prey spatial correlations: an example of Atlantic fishes

Published in:

Ecology, 1990, v. 71, n. 1, p. 33, doi. 10.2307/1940245

By:

Rose, George A.;
Leggett, William C.

Publication type:

Article

Is gonadal investment in walleye (Sander vitreus) dependent on body lipid reserves? A multipopulation comparative analysis.

Published in:

Canadian Journal of Fisheries & Aquatic Sciences, 2008, v. 65, n. 4, p. 600, doi. 10.1139/F07-186

By:

Moles, Matthew D.;
Johnston, Thomas A.;
Robinson, Beren W.;
Leggett, William C.;
Casselman, John M.

Publication type:

Article

Transition to an alternate state in a continental shelf ecosystem.

Published in:

Canadian Journal of Fisheries & Aquatic Sciences, 2004, v. 61, n. 4, p. 505, doi. 10.1139/F04-079

By:

Choi, Jae S.;
Frank, Kenneth T.;
Leggett, William C.;
Drinkwater, Ken

Publication type:

Article