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Conference Paper
Kortenkamp, U., Blessing A. M., Dohrmann C., Kreis Y., Libbrecht P., & Mercat C. (2009).  Interoperable Interactive Geometry For Europe – First Technological and Educational Results and Future Challenges of the Intergeo Project. Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France).
Müller, W., & Kortenkamp U. (2010).  Learning Programming with Ruby. Proceedings of the IFIP Workshop "New developments in ICT and Informatics education''. PDF icon MüllerKortenkamp-LPWR-2010a..pdf (939.39 KB)
Kortenkamp, U. (2002).  Making the move: The next version of Cinderella. (Cohen, A. M., Gao X-S., & Takayama N., Ed.).Proceedings of the First International Congress of Mathematical Software. 208–216.PDF icon Kortenkamp-MMTNVC-2002a.pdf (393.28 KB)
Kortenkamp, U. (2006).  Paving the Alexanderplatz Efficiently with a quasi-periodic tiling. (Duvernoy, S., & Pedemonte O., Ed.).Nexus VI: Architecture and Mathematics. 57-62.
Kortenkamp, U., & Materlik D. (2004).  Pen-based input of geometric constructions. (Libbrecht, P., Ed.).Proceedings of MathUI 2004. PDF icon KortenkampMaterlik-PIGC-2004a.pdf (154.41 KB)
Fest, A., & Kortenkamp U. (2009).  Process Orientated Learning Environments For Interactive Geometry Lessons. (Bardini, C., Fortin C., Oldknow A., & Vagost D., Ed.).Proceedings of the 9th International Conference on Technology in Mathematics Teachingh International Conference on Technology in Mathematics Teaching. PDF icon FestKortenkamp-POLEIGL-2009a.pdf (129.81 KB)
Spannagel, C., & Kortenkamp U. (2007).  Prozesse beim Lernen mit DGS: Aufzeichnung, Wiedergabe, Analyse. (Ludwig, M., Ed.).Tagungsband des Arbeitskreis Geometrie der GDM. PDF icon SpannagelKortenkamp-PBLAWA-2007a.pdf (348.34 KB)
Ladel, S., & Kortenkamp U. (2009).  Realisations of MERS (Multiple Extern Representations) and MELRS (Multiple Equivalent Linked Representations) in Elementary Mathematics Software. (Durand-Guerrier, V., Soury-Lavergne S., & Arzarello F., Ed.).Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). PDF icon LadelKortenkamp-RMMERMMELREMS-2009a.pdf (355.73 KB)
Kortenkamp, U. (2008).  A Technology Based Approach to Discrete Mathematics in the Classroom. (Campbell, S., & Grenier D., Ed.).Proceedings of ICME-11, TSG 15.
Kortenkamp, U., & Richter-Gebert J. (2004).  Using Automatic Theorem Proving to Improve the Usability of Geometry Software. (Libbrecht, P., Ed.).Proceedings of MathUI 2004. PDF icon KortenkampRichter-Ge-UATPIUGS-2004a.pdf (842.28 KB)
Kortenkamp, U., & Rolka K. (2009).  Using Technology in the Teaching and Learning of Box Plots. (Durand-Guerrier, V., Soury-Lavergne S., & Arzarello F., Ed.).Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). PDF icon KortenkampRolka-UTTLP-2009a.pdf (456.52 KB)
Kortenkamp, U., Dohrmann C., Kreis Y., & Dording C. (2009).  Using the Intergeo Platform for Teaching and Research. (Bardini, C., Fortin C., Oldknow A., & Vagost D., Ed.).Proceedings of the 9th International Conference on Technology in Mathematics Teaching.
Kortenkamp, U., Dohrmann C., Kreis Y., & Dording C. (2009).  Using the Intergeo Platform for Teaching and Research. (Bardini, C., Fortin C., Oldknow A., & Vagost D., Ed.).Proceedings of the 9th International Conference on Technology in Mathematics Teaching. PDF icon KortenkampDohrmann-UIPTR-2009a.pdf (114.34 KB)
Kortenkamp, U., & Materlik D. (2004).  Vernetztes Lehren und Lernen im Mathematikunterricht. (Fellbaum, K., Rebensburg K., & Schwill A., Ed.).Grundfragen multimedialen Lehrens und Lernens. Tagungsband des 2. Workshops GML2004.
Blessing, A., & Kortenkamp U. (2008).  VideoClipQuests as a New Setup For Learning. (Kinshuk, Sampson D. G., Spector M. J., Isaías P., & Ifenthaler D., Ed.).Proceedings of the IADIS International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2008). 343–346.
Blessing, A., & Kortenkamp U. (2009).  VideoClipQuests as an E-Learning Pattern. Proceedings of the E-Learning Patterns Workshop 2009.
Journal Article
Ladel, S., & Kortenkamp U. (2013).  An activity-theoretic approach to multi-touch tools in early maths learning. The International Journal for Technology in Mathematics Education. 20, PDF icon LadelKortenkamp-ATATEMLO-ICME-2013.pdf (426.48 KB)
Kortenkamp, U. (2006).  Algorithmische Geometrie im Unterricht. Der Mathematikunterricht. 52, 32-39.
Richter-Gebert, J., & Kortenkamp U. (2000).  Euklidische und nicht-Euklidische Geometrie in Cinderella. Journal für Mathematikdidaktik. 22, 303–324.PDF icon Richter-GeKortenkamp-ENGC-2000a.pdf (724.98 KB)
Kortenkamp, U. (1997).  Every simplicial polytope with at most d+4 vertices is a quotient of a neighborly polytope. Discrete & Computational Geometry. 18, 455–462.
Kortenkamp, U. (2004).  Experimental mathematics and proofs – what is secure mathematical knowledge?. Zentralblatt für Didaktik der Mathematik. 36, 61–66.PDF icon Kortenkamp-EMPWSMK-2004a.pdf (228.83 KB)
Kortenkamp, U., Richter-Gebert J., Sarangarajan A., & Ziegler G. M. (1997).  Extremal properties of 0/1-polytopes. Discrete & Computational Geometry. 17, 439–448.
Kortenkamp, U., & Materlik D. (2004).  Geometry teaching in wireless classroom environments using Java and J2ME. Science of Computer Programming. 53, 71–85.PDF icon KortenkampMaterlik-GTWCEUJJ-2004a.pdf (820.01 KB)
Kortenkamp, U. (2011).  Interoperable Interactive Geometry for Europe. The Electronic Journal of Mathematics and Technology. 5, PDF icon Kortenkamp-IIGE-2011c.pdf (1.83 MB)
Kortenkamp, U. (2011).  Interoperable Interactive Geometry for Europe. The Electronic Journal of Mathematics and Technology. 5,

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