Contact and Affiliations
- E-Mail:
- bloemer@mail.uni-paderborn.de
- Phone:
- +49 5251 60-6651
- ORCID:
- 0000-0002-6065-3535
-
- Office Address:
-
Pohlweg 51
33098 Paderborn - Room:
- O4.258
- Office hours:
Do, 11:00-12:00
- E-Mail:
- bloemer@mail.uni-paderborn.de
- Phone:
- +49 5251 60-6651
- ORCID:
- 0000-0002-6065-3535
- E-Mail:
- bloemer@mail.uni-paderborn.de
- Phone:
- +49 5251 60-6651
- ORCID:
- 0000-0002-6065-3535
-
- Office Address:
-
Pohlweg 51
33098 Paderborn - Room:
- O4.258
- Office hours:
Do, 11:00-12:00
About Johannes Bl?mer
Curriculum Vitae
Since 2009: Professor (W3)
Paderborn University, Germany
2000 - 2009: Associate Professor (C3)
Paderborn University, GermanyPaderborn University, Germany
1996 - 2000: Postdoc
ETH Zurich, Switzerland
01.10.1997 - 31.03.1998: Visiting Professor
Goethe University Frankfurt am Main, Substitute Professor for Prof. Dr. C.-P. Schnorr
1993 - 1996: Postdoc
International Computer Science Institute, Berkeley, USA, supported by grants from NSF (USA) and from the EUInternational Computer Science Institute, Berkeley, USA, supported by grants from NSF (USA) and from the EU
29.01.1993: Doctorate
Supervisor: Prof. Dr. Helmut Alt, Computer Science, Free University Berlin, Germany. Supervisor: Prof. Dr. Chee-Keng Yap, Computer Science, New York University, USA
1983 - 1989: Degree programme
Diploma in Mathematics, Free University Berlin, Germany
2000 - 2008: Papers selected for special issues of ESA 2000, ICALP 2007, SODA 2008
2003: Weierstra?-Prize for Excellence in Teaching, Faculty for Computer Science, Electrical Engineering and Mathematics, Paderborn University
1994 - 1996: Habilitation scholarship, German Science Foundation (DFG)
Research
Selected Projects
- PhoQuant: Photonic Quantum Computing - Quantum computing evaluation platform
- Quantum Photonic Technology Education – Professional training for platform-independent and photonic quantum computing
- PhoQC: Photonic Quantum Computing
- CRC 901 - Practicable Cryptographic Techniques for Secure and Data-efficient Customer Loyalty Systems (Transfer project T2)
- Soft-Clustering - Von Heuristiken zu Approximationsalgorithmen
Publications
Selected Publications
A Complexity Theoretical Study of Fuzzy K-Means
J. Bl?mer, S. Brauer, K. Bujna, ACM Transactions on Algorithms 16 (2020) 1–25.
Updatable Anonymous Credentials and Applications to Incentive Systems
J. Bl?mer, J. Bobolz, D.P. Diemert, F. Eidens, in: Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security - CCS ’19, 2019.
Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems
J. Bl?mer, F. Eidens, J. Juhnke, in: Topics in Cryptology - {CT-RSA} 2018 - The Cryptographers’ Track at the {RSA} Conference 2018, Proceedings, Springer International Publishing, Cham, 2018, pp. 470–490.
Voronoi Cells of Lattices with Respect to Arbitrary Norms
J. Bl?mer, K. Kohn, SIAM Journal on Applied Algebra and Geometry. 2 (2018) 314–338.
Clustering for Metric and Nonmetric Distance Measures
M.R. Ackermann, J. Bl?mer, C. Sohler, ACM Trans. Algorithms (2010) 59:1--59:26.
Show all publications
Teaching
Current Courses
- Seminar: Aktuelle Themen in der Kryptographie (in English)
- Oberseminar: Cryptography (in English)
- Komplexit?tstheorie (in English)
- Foundations of Cryptography (in English)
Scientific Engagement
2023 | Organizing Committee International Colloquium on Automata, Languages and Programming, ICALP
2017 - 2019 | Steering Committee Mathematical Aspects of Computer and Information Science (MACIS)
2017 | Program Committee Chair Mathematical Aspects of Computer and Information Science (MACIS 2017)
2007 | Organiser of the Dagstuhl Seminar Cryptography (with Dan Boneh, Stanford, Ronald Cramer, CWI Amsterdam, Ueli Maurer, ETH Zurich)
Since 2022 | Initiator and Founding Director of the Jenny Aloni Center for Early-Career Researchers, Paderborn University
Since 2015 | Liaison Professor of Fulbright Germany
Since 2014 | Liaison Professor of the German Academic Scholarship Foundation
Since 2023 | Editorial Board member, Acta Informatica
Since 1993 | Program committee and reviewer for various international conferences: STACS, ICALP, Crypto, Eurocrypt, SODA, STOC, FOCS etc.
Since 2018 | Founding member and member of the Board of Directors of the Institute for Photonic Quantum Systems (PhoQS), Paderborn University