Dr. Jonathan Spreer  
>> Homepage at the University of Queensland  
Address 
University of Queensland


Phone 
+61(0)7 / 3365 3116 

Room 
67.751 

CV  
since 2012  Postdoctoral Research Fellow at the School of Mathematics and Physics, University of Queensland.  
2011  Doctorate in natural sciences (Dr. rer. nat.) at the University of Stuttgart. Dissertation: Blowups, slicings and permutation groups in combinatorial topology [ bib  http ] (Doctoral advisor: Prof. W. Kühnel).  
20102011  Research assistant at DFGProject Ku 1203/53.  
20082011  Research assistant at the Institute of Geometry and Topology, University of Stuttgart.  
2008  Diploma 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 4manifolds, in particular the K3Surface [ bib ] (Supervisor: Prof. W. Kühnel).  
20072008  Student research assistant at DFGProject Ku 1203/52.  
2007  Maîtrise (french one year postgraduate diploma) in mathematics at the Université Pierre et Marie Curie in Paris.  
20062007  Studies of mathematics at the Université Pierre et Marie Curie.  
20032008  Studies 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 4manifolds, 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 2spheres, 2014. 11 pages, arXiv:1403.5862 [math.GT]. [ bib  http ]  
[4]  Jonathan Spreer. Necessary conditions for the tightness of odddimensional combinatorial manifolds, 2014. 18 pages, 1 figure, arXiv:1405.5962 [math.CO]. [ bib  http ]  
2014  
[5]  Jonathan Spreer. Combinatorial 3manifolds with transitive cyclic automorphism group. Discrete and Computational Geometry, 51(2):394426, 2014. [ bib  doi:10.1007/s0045401395607 ]  
2013  
[6]  B.A. Burton, T. Lewiner, J. Paixão and J. Spreer. Parameterized complexity of discrete Morse theory. Proceedings of the TwentyNinth Annual Symposium on Computational Geometry (SoCG), pg. 127136, 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. 7887, 2013. [ bib  http ]  
[8]  Ben Burton and Jonathan Spreer. The complexity of detecting taut angle structures on triangulations. Proceedings of the TwentyFourth Annual ACMSIAM Symposium on Discrete Algorithms, pg. 168183, 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 1516. [ 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):473486, 2012. [ bib  doi:10.1007/s1336601100831 ]  
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):12951309, 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):201216, 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, 20092013. [ 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 CGWeek 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 4Mannigfaltigkeiten, insbesondere der K3Fläche, 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  