- Room 9 , 2 Kirkby Place, Drake Circus, Plymouth, Devon, PL4 8AA
- +44 1752 586857
- C.Christopher@plymouth.ac.uk
Profiles
Dr Colin Christopher
Associate Professor in Mathematics
School of Computing, Electronics and Mathematics (Faculty of Science and Engineering)
Role
Associate Head of School (Mathematics)
School of Computing, Electronics and Mathematics
Teaching interests
I current teach:
MATH053/056 - Mathematical Methods 2
MATH187/188/189/190 - Engineering Mathematics
Research interests
Algebraic and analytic aspects of dynamical systems
especially:
- Local and global integrability of vector fields
- Algebraic aspects of integrability
- Topics around Hilbert's 16th Problem
- Application of monodromy techniques
- Holomorphic dynamics
Key publications are highlighted
Journals
Articles
2017
'A Geometric Investigation of the Invariant Algebraic Curves in Two Dimensional Lotka–Volterra Systems'
Mathematics in Computer Science
11,
(3-4)
269-283
, DOI
2017
'Experimental methodology for the quantification of crack tip plastic zone and shape from the analysis of displacement fields'
Frattura ed Integrità Strutturale
11,
(41)
166-174
, DOI
PEARL
2016
'Assessment of crack tip plastic zone size and shape and its influence on crack tip shielding'
Fatigue & Fracture of Engineering Materials & Structures
39,
(8)
969-981
, DOI
PEARL
2015
'Growth of inclined fatigue cracks using the biaxial CJP model'
Frattura ed Integrità Strutturale
9,
(33)
167-173
, DOI
2014
'On the trigonometric moment problem'
Ergodic Theory and Dynamical Systems
34 Issue 01,
1-20
Publisher Site
, DOI
2013
'Extension of the CJP model to mixed mode I and mode II'
Frattura ed Integrita Strutturale
7,
(25)
161-166
, DOI
2013
'Crack path support for deformation mechanisms in fatigue of polycarbonate'
ENGINEERING FRACTURE MECHANICS
108,
89-97
, DOI
2013
'The Moduli Space of Germs of Generic Families of Analytic Diffeomorphisms Unfolding a Parabolic Fixed Point'
International Mathematics Research Notices
2013,
Publisher Site
, DOI
2013
'Local Crack Plasticity and its Influences on the Global Elastic Stress Field'
International Journal of Fatigue
46,
4-15
, DOI
2013
'Local Crack Plasticity and its Influences on the Global Elastic Stress Field, International Journal of Fatigue'
International Journal of Fatigue
46,
4-15
, DOI
2012
'Fatigue crack growth and craze-induced crack tip shielding in polycarbonate'
POLYMER
53,
(7)
1558-1570
, DOI
2012
'Inverse problems in Darboux’ theory of integrability'
Acta Applicandae Mathematicae. An International Survey Journal on Applying Mathematics and Mathematical Applications
120,
101-126
Publisher Site
, DOI
2012
'Local integrability and linearizability of three-dimensional Lotka–Volterra systems'
Applied Mathematics and Computation
219,
4067-4081
Publisher Site
, DOI
2011
'Darboux integrating factors: inverse problems'
Journal of Differential Equations
250,
(1)
1-25
Publisher Site
, DOI
2010
'The monodromy problem and the tangential center problem'
Functional Analysis and Its Applications
44,
(1)
22-35
Publisher Site
, DOI
2010
'The monodromy problem and the tangential focus problem'
Functional Analysis and Its Applications
44,
(1)
22-35
Publisher Site
, DOI
2009
'Inverse problems for invariant algebraic curves: explicit computations'
Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
139,
287-302
Publisher Site
, DOI
2008
'A quantitative evaluation of fatigue crack shielding forces using photoelasticity'
ENGINEERING FRACTURE MECHANICS
75,
(14)
4190-4199
, DOI
2008
'A quantitative evaluation of fatigue crack shielding forces using photoelasticity'
ENGINEERING FRACTURE MECHANICS
75,
(14)
4190-4199
, DOI
2008
'On general algebraic mechanisms for producing centers in polynomial differential systems'
Journal of Fixed Point Theory and Applications
3,
331-351
Publisher Site
, DOI
2007
'Inverse problems for multiple invariant curves'
Proceedings of the Royal Society of Edinburgh Section A: Mathematics
137,
(6)
1197-1226
, DOI
2007
'Towards a new model of crack tip stress fields'
INTERNATIONAL JOURNAL OF FRACTURE
148,
(4)
361-371
, DOI
2007
'Inverse problems for multiple invariant curves'
Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
137,
1197-1226
Publisher Site
, DOI
2007
'Modulus of analytic classification for the generic unfolding of a codimension 1 resonant diffeomorphism or resonant saddle'
Université de Grenoble. Annales de l’Institut Fourier
57,
301-360
Publisher Site
2007
'Multiplicity of invariant algebraic curves in polynomial vector fields'
Pacific Journal of Mathematics
229,
63-117
Publisher Site
, DOI
2007
'The moduli space of germs of generic families of analytic diffeomorphisms unfolding a parabolic fixed point'
Comptes Rendus Mathematique
345,
(12)
695-698
2007
'Towards a new model of crack tip stress fields'
International Journal of Fracture
148,
(4)
361-371
2005
'Invariant algebraic curves of large degree for quadratic system'
Journal of Mathematical Analysis and Applications
303,
450-461
Publisher Site
, DOI
2004
'Normalizability, synchronicity, and relative exactness for vector fields in $\Bbb C^2$'
Journal of Dynamical and Control Systems
10,
501-525
Publisher Site
, DOI
2004
'Normalizable, integrable and linearizable saddle points in the Lotka-Volterra system'
Qualitative Theory of Dynamical Systems
5,
11-61
Publisher Site
, DOI
2004
'On the classification of Liénard systems with amplitude-independent periods'
Journal of Differential Equations
200,
1-17
Publisher Site
, DOI
2003
'Linearizability of three families of cubic systems'
Journal of Physics. A. Mathematical and General
36,
L145-L152
Publisher Site
, DOI
2003
'Normalizable, integrable, and linearizable saddle points for complex quadratic systems in $\Bbb C^2$'
Journal of Dynamical and Control Systems
9,
311-363
Publisher Site
, DOI
2003
'The classical theory of invariants and object recognition using algebraic curves and surfaces'
Journal of Mathematical Imaging and Vision
19,
237-253
2002
'A family of quadratic polynomial differential systems with invariant algebraic curves of arbitrarily high degree without rational first integrals'
Proceedings of the American Mathematical Society
130,
2025-2030 (electronic)
Publisher Site
, DOI
2002
'Darboux integrability and invariant algebraic curves for planar polynomial systems'
Journal of Physics. A. Mathematical and General
35,
2457-2476
Publisher Site
, DOI
2001
'A note on the existence and global stability of deformations of compressible nonlinearly elastic solids'
Archives of Mechanics
53,
195-204
2001
'Nondegenerate linearizable centres of complex planar quadratic and symmetric cubic systems in C-2'
Publicacions Matematiques
45,
(1)
95-123
2001
'Polynomial vector fields with prescribed algebraic limit cycles'
Geometriae Dedicata
88,
255-258
Publisher Site
, DOI
2000
'Abel equations: composition conjectures and the model problem'
The Bulletin of the London Mathematical Society
32,
332-338
Publisher Site
, DOI
2000
'Integrability via invariant algebraic curves for planar polynomial differential systems'
Annals of Differential Equations. Weifen Fangcheng Niankan
16,
5-19
1999
'Liouvillian first integrals of second order polynomial differential equations'
Electronic Journal of Differential Equations
1999,
1-7
1999
'Algebraic aspects of integrability for polynomial systems'
Qualitative Theory of Dynamical Systems
1,
71-95
Publisher Site
, DOI
1999
'An algebraic approach to the classification of centers in polynomial Liénard systems'
Journal of Mathematical Analysis and Applications
229,
319-329
Publisher Site
, DOI
1999
'Limit cycles in highly non-linear differential equations'
Journal of Sound and Vibration
224,
505-517
Publisher Site
, DOI
1999
'Liouvillian first integrals of second order polynomial differential equations'
Electronic Journal of Differential Equations
No. 49-7 pp. (electronic)
1999
'Small-amplitude limit cycle bifurcations for Liénard systems with quadratic or cubic damping or restoring forces'
Nonlinearity
12,
1099-1112
Publisher Site
, DOI
1998
'On the straightening of compressible, nonlinearly elastic, annular cylindrical sectors'
Mathematics and Mechanics of Solids
3,
131-145
Publisher Site
, DOI
1997
'Isochronous centers in planar polynomial systems'
SIAM Journal on Mathematical Analysis
28,
162-177
Publisher Site
, DOI
1997
'Quadratic-like cubic systems'
Differential Equations and Dynamical Systems. An International Journal for Theory, Applications, and Computer Simulations
5,
329-345
1996
'Algorithmic derivation of centre conditions'
SIAM Review. A Publication of the Society for Industrial and Applied Mathematics
38,
619-636
Publisher Site
, DOI
1996
'Small-amplitude limit cycles in polynomial Liénard systems'
NoDEA. Nonlinear Differential Equations and Applications
3,
183-190
Publisher Site
, DOI
1995
'On Cherkas’s method for centre conditions'
Nonlinear World
2,
459-469
1995
'Polynomial systems: a lower bound for the Hilbert numbers'
Proceedings of the Royal Society. London. Series A. Mathematical, Physical and Engineering Sciences
450,
219-224
Publisher Site
, DOI
1994
'Invariant algebraic curves and conditions for a centre'
Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
124,
1209-1229
1993
'A note on the replicator equations of dynamical game theory'
Applied Mathematics Letters. An International Journal of Rapid Publication
6,
31-33
Publisher Site
, DOI
1993
'Algebraic invariant curves and the integrability of polynomial systems'
Applied Mathematics Letters. An International Journal of Rapid Publication
6,
51-53
Publisher Site
, DOI
1990
'On the Paper of Jin and Wang Concerning the conditions for a Centre in certain Cubic Systems'
Bulletin of the London Mathematical Society
22,
(1)
5-12
, DOI
1990
'On the paper of X. Jin and D. Wang concerning the conditions for a centre in certain cubic systems: “On the conditions of Kukles for the existence of a centre” [Bull. London Math. Soc. \bf 22 (1990), no. 1, 1–4; MR1026764 (90m:34071)]'
The Bulletin of the London Mathematical Society
22,
5-12
Publisher Site
, DOI
1989
'Quadratic systems having a parabola as an integral curve'
Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
112,
113-134
Books
2007
Limit cycles of differential equations.
Basel
Birkhäuser Verlag
Advanced Courses in Mathematics. CRM Barcelona
Chapters
2016
'On the integrability of lotka–volterra equations: An update'
Springer Proceedings in Mathematics and Statistics
79-89
, DOI
2005
'Estimating limit cycle bifurcations from centers'
Differential equations with symbolic computation
Basel
Birkhäuser
23-35
Publisher Site
, DOI
Conference Papers
2014
'On the integrability of some three-dimensional Lotka-Volterra equations with rank-1 resonances'
37-48
, DOI
2012
'The resonant center problem for a 2:-3 resonant cubic lotka–volterra system'
129-142
2008
'Evaluation of crack tip shielding using a photoelastic model'
333-338
2007
'New insights into plasticity-induced crack tip shielding via mathematical modelling and full field photoelasticity'
199-+
, DOI
2007
'New insights into plasticity-induced crack tip shielding via mathematical modelling and full field photoelasticity'
ICM-10
199-204