José Manuel Ayala Hoffmann



Contact Information


School of Mathematics and Statistics
University of Melbourne, Australia



Research Interests



Computational geometry, low dimensional topology.



Education



University of Melbourne, Parkvile, VIC Australia.
Ph.D. in Mathematics, March 2014.
Advisor: Hyam Rubinstein.
Dissertation Topic: Classification of the homotopy classes and minimal length elements in spaces of bounded curvature paths.

Iowa State University, Ames, Iowa USA.
M.Sc. in Mathematics, July 2007.
Advisor: Wolfgang Kliemann.
Thesis Topic: Global behavior of graph dynamics with applications to Markov chains.

Universidad Católica del Norte, Antofagasta, Chile.
B.S. in Mathematics, March 2005.
Advisor: Wolfgang Kliemann.
Thesis Topic: Dynamical systems in the real projective space.



Publications and Preprints



1. J. Ayala, D. Kirszenblat, and J.H. Rubinstein. A geometric approach to shortest bounded curvature paths. Communications in Analysis and Geometry, Vol. 26, No 4, 2018.

2. J. Ayala. On the topology of the spaces of curvature constrained plane curves. Advances in Geometry, Vol 17, No 3, pp. 283-292, 2017.

3. J. Ayala and J.H. Rubinstein. The classification of homotopy classes of bounded curvature paths. Israel Journal of Mathematics, Vol. 213, No 1, pp 79–107, 2016.

4. J. Ayala. Length minimising bounded curvature paths in homotopy classes. Topology and its Applications, Vol. 193, pp. 140-151, 2015.

5. J. Ayala. Connectedness and minimal length elements in spaces of bounded curvature paths. Bulletin of the Australian Mathematical Society, Vol. 90, No 1, pp.174-176, 2014.

6. J. Ayala and J.H. Rubinstein. Non-uniqueness of the homotopy class of bounded curvature paths (Submitted).

7. J. Ayala and W. Kliemann. Topological dynamics of flows and semiflows associated with graphs (Submitted).

8. J. Díaz and J. Ayala. Census to bounded curvature paths. (Supervised research, submitted).



Ongoing Research



9. J. Ayala and J.H. Rubinstein. On the classification of Heegaard splittings.

10. J. Ayala. Curvature constrained curves in the punctured disk.

11. J. Ayala. Isotopies of physical knots.



Peer-Reviewed Conference Articles



1. J. Ayala-Hoffmann, M. Brazil, H. Rubinstein, D. Thomas, Extendibility and path components of admissible paths for the Dubins problem. Proceedings of Australian Control Conference, 440-444, IEEE - Institute of Electrical and Electronic Engineers, 2011.

2. J. Ayala-Hoffmann, W. Kliemann, Morse decompositions of semiflows associated with graphs. Proceedings of the 20th International Symposium on Mathematical Systems and Networks (MTNS 2012, July 9-13 2012) Melbourne, Australia.

3. J. Ayala-Hoffmann, M. Brazil, H. Rubinstein, D. Thomas, A geometric approach to shortest bounded curvature paths in surfaces of constant non-positive curvature. Proceedings of the 20th International Symposium on Mathematical Systems and Networks (MTNS 2012, July 9-13 2012) Melbourne, Australia.



Undergraduate Research



1. J. Ayala-Hoffmann, P. Corbin, K. Mc Conville, F. Colonius, W. Kliemann. Morse decompositions, attractors and chain recurrence, Proyecciones Journal of Mathematics Vol. 25, No 1, pp. 79-109, 2006.

2. V. Ayala, J. Ayala-Hoffmann, Ivan Tribuzy. Controlability of invariant control systems at uniform time, Kybernetika, Vol. 45, No 3, pp. 405-416, 2009.



Languages



Spanish, Portuguese, Italian and English.



References



Professor Hyam Rubinstein
Department of Mathematics and Statistics,
University of Melbourne,
Parkvile, VIC, Australia.

Professor Joel Hass
Department of Mathematics,
University of California,
Davis, CA, USA.

A/Professor Craig Hodgson
Department of Mathematics and Statistics,
University of Melbourne,
Parkvile, VIC, Australia.