- PDE vs Delay formulation of structured population models,

*March 2017, Applied Analysis Seminar, Institute für Angewandte Mathematik, Universität Heidelberg, Germany* - Mathematical analysis of a clonal evolution model of tumour cell proliferation,

*November 2015, Partial Differential Equations Seminar, Department of Mathematics, Vanderbilt University, Nashville, USA* - On structured epidemiological models,

*June 2015, Seminari d'EDP's i Aplicacions, Universitat Politecnica de Barcelona, Spain* - Steady state problems in structured population dynamics,

*March 2015, Department of Mathematics, University of Gdansk, Poland* - Structured models for disease dynamics,

*March 2015, Mathematical Biology Seminar, School of Mathematics, University of Edinburgh, UK* - Steady state problems in structured population dynamics,

*January 2015, Partial Differential Equations Seminar, Department of Mathematics, Vanderbilt University, Nashville, USA* - Steady state problems in structured population dynamics,

*January 2015, Instituto Universitario de Matematica Pura y Aplicada, Universitat Politecnica de Valencia, Spain* - On hybrid switching differential equations with applications,

*April 2013, School of Computer Science and Technology, Anhui University, China* - Structured models for CI inducing
*Wolbachia*infections,

*March 2013, Mathematics and Statistics Seminar, Computing Science and Mathematics, University of Stirling, UK* - Analysis of mathematical models of CI inducing
*Wolbachia*infections,

*February 2013, Applied Mathematics Seminar, Department of Mathematics, University of Glasgow, UK* - Analysis of mathematical models of CI inducing
*Wolbachia*infections,

*February 2013, Applied Mathematics Seminar, Department of Mathematics, University of Leicester, UK* - Mathematical modelling of CI inducing
*Wolbachia*infection dynamics,

*April 2012, School of Freshwater Sciences, Great Lakes WATER Institute, University of Wisconsin - Milwaukee, USA* - Net reproduction rates for continuous structured populations,

*November 2011, Applied Mathematics Seminar, Department of Mathematics, University of Louisiana at Lafayette, USA* - S
^{2}xR space groups: generalized Coxeter groups and ball packings,

*October 2011, Topology Seminar, Department of Mathematics, University of Louisiana at Lafayette, LA, USA* - Analysis of a structured epidemic model,

*October 2011, Analysis Seminar, Department of Mathematical Sciences, University of Wisconsin - Milwaukee, WI, USA* - Positive semigroups and steady states in structured populations,

*September 2011, Functional Analysis Seminar, Department of Mathematics, University of Louisiana at Lafayette, LA, USA* - Discrete groups and manifolds in S
^{2}xR,

*September 2011, Topology Seminar, Department of Mathematics, University of Louisiana at Lafayette, LA, USA* - A structured population model with diffusion and dynamic boundary condition for Wolbachia dynamics,

*September 2011, Colloquium talk, Department of Mathematics, University of Louisiana at Lafayette, LA, USA* - Wentzell boundary conditions in the context of structured populations with applications to epidemiology,

*June 2011, Mathematics and its Applications Sussex Seminar, Department of Mathematics, University of Sussex, UK* - Analysis of a size-structured cannibalism model with infinite dimensional environmental feedback,

*February 2011, Applied and Computational Mathematics, Department of Mathematics, University of Wisconsin Madison, WI, USA* - Analysis of a size-structured cannibalism model with infinite dimensional environmental feedback,

*January 2011, Colloquium talk, Department of Mathematics, University of Louisiana at Lafayette, LA, USA* - Analysis of a size-structured cannibalism model with infinite dimensional environmental feedback,

*November 2010, Division of Mathematics, University of Dundee, UK* - Steady states in hierarchical structured populations with infinite states at birth,

*October 2010, Partial Differential Equations Seminar, Universitat Autonoma de Barcelona, Spain* - Asymptotic analysis of size-structured population models with infinite dimensional environmental feedback,

*February 2010, Colloquium talk, Department of Mathematical Sciences, University of Wisconsin - Milwaukee, WI, USA* - Asymptotic analysis of size-structured population models with infinite dimensional environmental feedback,

*December 2009, Department of Mathematics and Statistics, University of Strathclyde, Glasgow, UK* - Semigroup analysis of structured parasite populations,

*October 2009, School of Mathematics, University of Edinburgh, Edinburgh, UK* - Analysis of structured populations in aquaculture,

*March 2009, Department of Modelling Science and Statistics, University of Strathclyde, Glasgow, UK* - Analysis of structured populations in aquaculture,

*February 2009, Mathematical Biology and Differential Equations Seminar, CRM, Universitat Autonoma de Barcelona, Spain* - Analysis of structured populations in aquaculture,

*January 2009, IMA Postdoctoral Seminar, Institute for Mathematics and its Applications, University of Minnesota, MN, USA* - Analysis of structured populations in aquaculture,

*December 2008, Department of Mathematics, University of Pannonia, Veszprém, Hungary* - Asymptotic behaviour of models of structured population dynamics,

*January 2008, Colloquium talk, Department of Mathematics, University of Louisiana at Lafayette, LA, USA* - Multispecies size-structured populations: stability of a model for Daphnia magna,
*October 2007, Department of Computing Science and Mathematics, University of Stirling, Stirling, UK* - Linearized stability of structured population models,
*May 2007, Department of Mathematics, University of Glasgow, Glasgow, UK* - Linearized stability of structured population models,
*May 2007, Institute of Mathematics, University of Warwick, Coventry, UK* - Linearized stability of structured population models,
*October 2006, Department of Computing Science and Mathematics, University of Stirling, Stirling, UK* - On the linearized stability of structured population models,
*January 2006, Department of Mathematical Sciences, The University of Memphis, Memphis, TN, USA* - Stability of age-structured population dynamical models,
*December 2004, Department of Differential Equations, Institute of Mathematics, Budapest University of Technology and Economics, Hungary* - On structured population dynamical models,
*January 2004, Department of Differential Equations, Institute of Mathematics, Budapest University of Technology and Economics, Hungary*