Hellmuth Stachel

Research interests

Publications

• The geometry of billiards in ellipses and their poncelet grids

  Journal of Geometry · 2021 · 10.1007/s00022-021-00606-2

• The Universe of Quadrics

  Journal · 2020 · 10.1007/978-3-662-61053-4

• Kinematic properties of planar and spherical logarithmic spirals: Applications to the synthesis of involute tooth profiles

  Mechanism and Machine Theory · 2019 · 10.1016/j.mechmachtheory.2019.02.010

• The Universe of Conics: From the ancient Greeks to 21st century developments

  Journal · 2018 · 10.1007/978-3-662-45450-3

• Mathematik

  Journal · 2018 · 10.1007/978-3-662-56741-8

• The Universe of Conics

  Journal · 2016 · 10.1007/978-3-662-45450-3

• Differential Geometry

  Journal · 2016 · 10.1007/978-3-662-45450-3_3

• Arbeitsbuch Mathematik

  Journal · 2015 · 10.1007/978-3-642-54948-9

• Mathematik

  Journal · 2015 · 10.1007/978-3-642-44919-2

• The Role of the Orthogonal Helicoid in the Generation of the Tooth Flanks of Involute-Gear Pairs With Skew Axes

  Journal of Mechanisms and Robotics · 2014 · 10.1115/1.4029287

• On the flexibility and symmetry of overconstrained mechanisms

  Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences · 2013 · 10.1098/rsta.2012.0040

• Grundwissen Mathematikstudium

  Journal · 2013 · 10.1007/978-3-8274-2309-2

• On Martin Disteli's spatial cycloidal gearing

  Mechanism and Machine Theory · 2012 · 10.1016/j.mechmachtheory.2012.09.005

• A kinematic approach to Kokotsakis meshes

  Computer Aided Geometric Design · 2010 · 10.1016/j.cagd.2010.05.002

• THE STATUS OF TODAYS DESCRIPTIVE GEOMETRY RELATED EDUCATION (CAD/CG/DG) IN EUROPE

  Journal of Graphic Science of Japan · 2007 · 10.5989/jsgs.41.supplement1_15

• Contact areas of the tibiotalar joint

  Journal of Orthopaedic Research® · 2007 · 10.1002/jor.20429

• A new look at the Ball–Disteli diagram and its relevance to spatial gearing

  Mechanism and Machine Theory · 2006 · 10.1016/j.mechmachtheory.2006.10.005

• Flexible Octahedra in the Hyperbolic Space

  Kluwer Academic Publishers eBooks · 2006 · 10.1007/0-387-29555-0_11

• Evaluation of students' spatial abilities in Austria and Germany

  Journal · 2005

• Ivory's Theorem in Hyperbolic Spaces

  Siberian Mathematical Journal · 2004 · 10.1023/b:simj.0000035839.90234.45

• HIGHER ORDER FLEXIBILITY OF OCTAHEDRA

  Periodica Mathematica Hungarica · 2000 · 10.1023/a:1004815628819

• Instantaneous Spatial Kinematics and the Invariants of the Axodes

  Journal · 2000

• Flexible Cross-Polytopes in the Euclidean 4-Space

  Journal · 2000

• Open Geometry: OpenGL® + Advanced Geometry

  Journal · 1999 · 10.1007/978-1-4612-1428-1

• Zwei bemerkenswerte bewegliche Strukturen

  Journal of Geometry · 1992 · 10.1007/bf01245938

• Circular pipe-connections

  Computers & Graphics · 1988 · 10.1016/0097-8493(88)90007-6

• Zur Einzigkeit der Bricardschen Oktaeder

  Journal of Geometry · 1987 · 10.1007/bf01225926

Current projects

No projects listed.