Dr. Jonathan Spreer


   >> Homepage at the University of Queensland
   >> Old homepage at the University of Stuttgart

Dr. Jonathan Spreer
Address

University of Queensland
School of Mathematics and Physics
Computational Geometry and Topology
Priestley #67, Cooper Rd
4072 St Lucia, QLD

Phone

+61-(0)7 / 3365 3116

Room

67.751

E-mail

j.spreer@uq.edu.au


CV


since 2012Postdoctoral Research Fellow at the School of Mathematics and Physics, University of Queensland.
2011Doctorate in natural sciences (Dr. rer. nat.) at the University of Stuttgart.
Dissertation: Blowups, slicings and permutation groups in combinatorial topologybib | http ] (Doctoral advisor: Prof. W. Kühnel).
2010-2011Research assistant at DFG-Project Ku 1203/5-3.
2008-2011Research assistant at the Institute of Geometry and Topology, University of Stuttgart.
2008Diploma in mathematics and computer science at the University of Stuttgart.
Diploma thesis at the Institute of Geometry and Topology, University of Stuttgart:
On the Topology of combinatorial 4-manifolds, in particular the K3-Surfacebib ] (Supervisor: Prof. W. Kühnel).
2007-2008Student research assistant at DFG-Project Ku 1203/5-2.
2007Maîtrise (french one year postgraduate diploma) in mathematics at the Université Pierre et Marie Curie in Paris.
2006-2007Studies of mathematics at the Université Pierre et Marie Curie.
2003-2008Studies of mathematics and computing science at the University of Stuttgart. Specialized in topology, algebra and combinatorial topology.

Research areas



Computational Geometry and Topology, Combinatorial Topology, Mathematical Software, Complexity Theory, Polytope Theory, Combinatorics, Algebraic Topology

Scientific work


Preprints
[1] Biplab Basak and Jonathan Spreer. Simple crystallizations of 4-manifolds, 2014. 22 pages, 7 figures, arXiv:1407.0752 [math.GT]. [ bib | http ]
[2] Benjamin A. Burton and Jonathan Spreer. Combinatorial Seifert fibred spaces with transitive cyclic automorphism group, 2014. 26 pages, 10 figures, arXiv:1404.3005 [math.GT]. [ bib | http ]
[3] Benjamin A. Burton and Basudeb Datta and Nitin Singh and Jonathan Spreer. Separation index of graphs and stacked 2-spheres, 2014. 11 pages, arXiv:1403.5862 [math.GT]. [ bib | http ]
[4] Jonathan Spreer. Necessary conditions for the tightness of odd-dimensional combinatorial manifolds, 2014. 18 pages, 1 figure, arXiv:1405.5962 [math.CO]. [ bib | http ]
2014
[5] Jonathan Spreer. Combinatorial 3-manifolds with transitive cyclic automorphism group. Discrete and Computational Geometry, 51(2):394-426, 2014. [ bib | doi:10.1007/s00454-013-9560-7 ]
2013
[6] B.A. Burton, T. Lewiner, J. Paixão and J. Spreer. Parameterized complexity of discrete Morse theory. Proceedings of the Twenty-Ninth Annual Symposium on Computational Geometry (SoCG), pg. 127-136, 2013. [ bib | http ]
[7] Ben Burton, João Paixão and Jonathan Spreer. Computational topology and normal surfaces: Theoretical and experimental complexity bounds. Proceedings of the Meeting on Algorithm Engineering and Experiments, pg. 78-87, 2013. [ bib | http ]
[8] Ben Burton and Jonathan Spreer. The complexity of detecting taut angle structures on triangulations. Proceedings of the Twenty-Fourth Annual ACM-SIAM Symposium on Discrete Algorithms, pg. 168-183, 2013. [ bib | http ]
[9] Benjamin A. Burton and Jonathan Spreer. Computationally proving triangulated $4$-manifolds to be diffeomorphic. 29th ACM Symposium on Computational Geometry, Young Researchers Forum, Collections of abstracts, 2013, pages 15-16. [ bib | http ]
2012
[10] Jonathan Spreer. Partitioning the triangles of the cross polytope into surfaces. Beitr. Algebra Geom. / Contributions to Algebra and Geometry, 53(2):473-486, 2012. [ bib | doi:10.1007/s13366-011-0083-1 ]
2011
[11] Felix Effenberger and Jonathan Spreer. Simplicial blowups and discrete normal surfaces in the GAP package simpcomp. ACM Communications in Computer Algebra, 45(3):173 - 176, 2011. [ bib ]
[12] Jonathan Spreer. Normal surfaces as combinatorial slicings. Discrete Math., 311(14):1295-1309, 2011. [ bib | doi:10.1016/j.disc.2011.03.013 ]
[13] Jonathan Spreer and Wolfgang Kühnel. Combinatorial properties of the K3 surface: Simplicial blowups and slicings. Exp. Math., 20(2):201-216, 2011. [ bib | http ]
2010
[14] Felix Effenberger and Jonathan Spreer. simpcomp - a GAP toolbox for simplicial complexes. ACM Communications in Computer Algebra, 44(4):186 - 189, 2010. [ bib ]
Mathematical software
[15] Felix Effenberger and Jonathan Spreer. simpcomp - A GAP package, Version 2.0.0, 2009-2013. [ bib | http ]
Conference proceedings
[16] Jonathan Spreer, Uli Wagner (Organisers), Benjamin A. Burton, Satoshi Murai, Eric Sedgwick, Henry Segerman. Collection of abstracts of the Workshop on Triangulations in Geometry and Topology at CG Week 2014 in Kyoto. 4 x 6 page extended abstracts. The workshop was held as part of CG-Week 2014 at Kyoto University. June 10th, 2014 [ bib | http ]
Theses
[17] Jonathan Spreer. Blowups, slicings and permutation groups in combinatorial topology. Logos Verlag Berlin, 2011. Dissertation. [ bib | http ]
[18] Jonathan Spreer. Über die Topologie von kombinatorischen 4-Mannigfaltigkeiten, insbesondere der K3-Fläche, 2008. Diplomarbeit. [ bib ]

Software


simpcomp - A GAP toolbox for simplicial complexes -- simpcomp homepage.
Joint project with Felix Effenberger.
"Best Software Presentation Award" by the Fachgruppe Computeralgebra at the ISSAC 2010 in Munich.

Teaching


Semester 1, 2014:MATH3302: Coding and Cryptography
Semester 1, 2013:MATH3302: Coding and Cryptography
Winter 2009/2010:Mathematics for Computer Scientists and Software Engineers I (Prof. Dr. Wolfgang Rump)
Summer 2009:Mathematics for Computer Scientists and Software Engineers II (Prof. Dr. Eberhard Teufel)
Winter 2008/2009:Mathematics for Computer Scientists and Software Engineers I (Prof. Dr. Eberhard Teufel)

Office hours


Thursday, 11.00 am - 12.00 pm

Links