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ORCIDChristian Ullrich
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2010 – 2019
- 2019
[c10]Marcus Mast, Ina Kaup, Sebastian Krüger, Christian Ullrich, Robert Schneider, Susanne Bay:
Exploring the Benefits of Holographic Mixed Reality for Preoperative Planning with 3D Medical Images. MuC (Workshopband) 2019- 2015
- [c9]Christian Ullrich, Sergiu Dotenco
, Florian Gallwitz:
A hybrid approach for simultaneous obstacle avoidance and stabilization of dynamic bipedal walking using the aldebaran nao robot. I4CS 2015: 1-6 - 2014
- [c8]Marcus Kaiser, Christian Ullrich:
Estimation accuracy in Large is Programs - Insights from a Descriptive Case Study. ECIS 2014 - [c7]Carsten Klaus, Felix Krause, Christian Ullrich:
Determining the Business Value of Volume Flexibility for Service Providers - a Real options Approach. ECIS 2014 - 2013
- [j2]Christian Ullrich:
Valuation of IT Investments Using Real Options Theory. Bus. Inf. Syst. Eng. 5(5): 331-341 (2013) - [j1]Christian Ullrich:
Bewertung von IT-Investitionen mit dem Realoptionsansatz. Wirtschaftsinf. 55(5): 333-345 (2013) - 2010
- [c6]Kathrin Susanne Braunwarth, Christian Ullrich:
Valuating Business Process Flexibility achieved through an Alternative Execution Path. ECIS 2010: 24
2000 – 2009
- 2009
- [b1]Christian Ullrich:
Forecasting and Hedging in the Foreign Exchange Markets. Karlsruhe University, Germany, 2009 - [c5]Dennis Diepold, Christian Ullrich, Alexander Wehrmann, Steffen Zimmermann:
A real options approach for valuating intertemporal interdependencies within a value-based IT portfolio management - A risk-return perspective. ECIS 2009: 2036-2047 - 2006
- [c4]Christian Ullrich, Detlef Seese, Stephan K. Chalup:
Foreign Exchange Trading with Support Vector Machines. GfKl 2006: 539-546 - 2005
- [c3]Christian Ullrich, Otto K. Ferstl:
Entwicklung von Experimentierumgebungen für den Erwerb von Problemlösefähigkeit. Wirtschaftsinformatik 2005: 807-826 - 2004
- [c2]Otto K. Ferstl, Christian Ullrich:
Eine MultiView-Benutzungsoberfläche für integrierte Lernumgebungen. DeLFI 2004: 103-115 - 2000
- [c1]Otto K. Ferstl, Karsten Hahn, Klaus Schmitz, Christian Ullrich:
Funktionen und Architektur einer Internet-Lernumgebung für individuelles und kooperatives Lernen. D-CSCL 2000: 53-68
1990 – 1999
- 1990
- [e1]Christian Ullrich:
Computer Arithmetic and Self-Validating Numerical Methods. Notes and reports in mathematics in science and engineering 7, Academic Press 1990, ISBN 978-0-12-708245-5 [contents]
Coauthor Index
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