On the systematic approach to the classification of differential equations by group theoretical methods von Andriopoulos, K., Dimas, S., Leach, P.G.L., Tsoubelis, D.

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Hidden and Not So Hidden Symmetries von Leach, P. G. L., Andriopoulos, K., Govinder, Keshlan S.

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The Mixmaster Universe: the final reckoning? von Andriopoulos, K, Leach, P G L

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Symmetry and singularity properties of second-order ordinary differential equations of Lie's type III von Andriopoulos, K., Leach, P.G.L.

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Autonomous self-similar ordinary differential equations and the Painlevé connection von Andriopoulos, K., Leach, P.G.L.

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An invariant for the doubly generalized classical Ermakov–Pinney system and its quantal equivalent von Leach, P G L, Andriopoulos, K

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COMPLETE SPECIFICATION OF SOME PARTIAL DIFFERENTIAL EQUATIONS THAT ARISE IN FINANCIAL MATHEMATICS von DIMAS, S., ANDRIOPOULOS, K., TSOUBELIS, D., LEACH, P. G. L.

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An oscillatory population model von Leach, P.G.L, Andriopoulos, K

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Decomposing populations von Leach, PGL, Andriopoulos, K

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Algebraic properties of evolution partial differential equations modelling prices of commodities von Sophocleous, C., Leach, P. G. L., Andriopoulos, K.

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The complete symmetry group of the generalised hyperladder problem von Andriopoulos, K., Leach, P.G.L.

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Lie symmetries, quantisation and c-isochronous nonlinear oscillators von Nucci, M.C., Leach, P.G.L., Andriopoulos, K.

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Complete Symmetry Groups of Ordinary Differential Equations and Their Integrals: Some Basic Considerations von Andriopoulos, K., Leach, P.G.L., Flessas, G.P.

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NONLOCAL SYMMETRIES PAST, PRESENT AND FUTURE von Leach, PGL, Andriopoulos, K

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The Ermanno–Bernoulli constants and representations of the complete symmetry group of the Kepler problem von Leach, P. G. L., Andriopoulos, K., Nucci, M. C.

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Symmetry Reductions of a Hamilton-Jacobi-Bellman Equation Arising in Financial Mathematics von Naicker, V, Andriopoulos, K, Leach, PGL

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THE ERMAKOV EQUATION: A COMMENTARY von Leach, P. G. L., Andriopoulos, K.

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The Economy of Complete Symmetry Groups for Linear Higher Dimensional Systems von Andriopoulos, K, Leach, P G L

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Some Group Theoretical Aspects of Nonlinear Quantal Oscillators von Andriopoulos, K, Leach, P G L

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An interpretation of the presence of both positive and negative nongeneric resonances in the singularity analysis von Andriopoulos, K., Leach, P.G.L.

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