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Head of the Group
Rolf Drechsler, Head of the group

The Group of Computer Architecture offer lectures in the area of computer aided design of circuits and systems for students on bachelor- and master-level. Beside the lectures for graduate and undergraduate students, we run student team projects to enforce research oriented learning. In research the groups are successful in Computer Aided Design (CAD) of circuits and systems covering synthesis, verification, test and reliability. 

Secretary, Technic & Service
Regine Janssen, Secretary Birthe Semken, Secretary Uwe Forgber, Techics Lisa Jungmann, Service

Research Staff
Christina  Cociancig, Research Staff Saman Fröhlich, Research Staff Cornelia Große, Research Staff Daniel Große, Research Staff Payam Habiby, Research Staff Vladimir Herdt, Research Staff Sebastian Huhn, Research Staff Helmar Hutschenreuter, Research Staff Thomas Kemmerich, Research Staff Bernd Langpap, Research Staff Hoang M. Le, Research Staff David Lemma, Research Staff Alireza Mahzoon, Research Staff Rehab Massoud, Research Staff Tim Meywerk, Research Staff Philipp Niemann, Research Staff Christina Plump, Research Staff Mazyar Seraj, Research Staff Jannis Stoppe, Research Staff Marcel Walter, Research Staff Robert Wille, Research Staff

Prof. Dr.  Rolf Drechsler
Phone: +49 (421) 218 - 63932
Room: MZH 4330
Email: drechsler@uni-bremen.de
Twitter: @Rolf_Drechsler
My Publications

I am the head of the group of computer architecture. The main focus of the group is the development and application of CAD tools in circuit design. The research areas range from system descriptions in SystemC over test and verification down to synthesis.

Regine Janssen
Phone: +49 (421) 218 - 63931
Room: MZH 4370
Email: rjanssen@informatik.uni-bremen.de

Together with Birthe Semken I work as team assistant in the Group for Computer Architecture. I am responsible for all issues concerning the administration of the group. In particular, I administrate the projects funded by third parties.

Birthe Semken
Phone: +49 (421) 218 - 63930
Room: MZH 4370
Email: semken@informatik.uni-bremen.de

Together with Regine Janssen I work as team assistant in the Group for Computer Architecture. I am responsible for all issues concerning the administration of the group. In particular, I plan and process the official journeys of the group members.

Dipl.-Ing. Uwe Forgber
Phone: +49 (421) 218 - 63934
Room: MZH 4340
Email: forgber@informatik.uni-bremen.de

I'm the technical assistent of the group of computer architecture. I'm responsible for all computers at our group and consulting our members and students.

Christina  Cociancig, M.Sc.
Phone: +49 (421) 218 - 64447
Room: MZH 4226
Email: chrcoc@uni-bremen.de

The focus of my research lies in the field of natural language processing (NLP). Therefore, artificial intelligence, computational linguistics and machine learning are important aspects of my work. The goal is to fill as many gaps in linguistic research with intelligent systems that can be applied in everyday life.

Saman Fröhlich, M.Sc.
Phone: +49 (421) 218 - 59835
Room: MZH 4300
Email: froehlich@uni-bremen.de
My Publications

I am concerned with Approximate Computing and Artificial Intelligence (AI). In particular, I am trying to develop methods to incorporate Approximate Computing techniques into AI algorithms such that the benefit from the use of Approximate Computing is maximized. At the same time, it must be ensured that the functionality of the AI is guaranteed.

Dr. Cornelia Große, Dipl.-Psych.
Phone: +49 (421) 218 - 64446
Room: MZH 4206
Email: cornelia.grosse@uni-bremen.de
My Publications

I work in the domain of Educational Psychology and investigate topics of learning and instruction. My present work focuses on supporting learners to solve mathematical problems which are presented within a real context. For this purpose, methods are developed and their effectiveness is tested experimentally. Various methods are considered, ranging from fostering reading competencies to discussing common errors.

Dr. Daniel Große
Phone: +49 (421) 218 - 63935
Room: MZH 4285
Email: grosse@informatik.uni-bremen.de
Twitter: @Daniel_Grosse
My Publications

My research interest is formal verification of circuits. The goal of formal verification is to prove the correctness of circuits (in contrast to simulation based approaches whose limitations were highlighted e.g. by the Pentium Bug).
Especially, I examine how information of high-level descriptions can be used effectively in the formal verification process. Thereby the system description language SystemC plays an important role.

Payam Habiby, M.Sc.
Phone: +49 (421) 218 - 63950
Room: MZH 4222
Email: habiby@uni-bremen.de

My research mainly aims to the development of solutions to enhance the testability of integrated circuits and to improve the quality of the manufacturing test. In this regard, I am modeling state-of-the-art test access mechanisms on system-level, which allows me to orchestrate formal methods yielding to an optimization of certain characteristics already in an early design phase.

Vladimir Herdt, M.Sc.
Phone: +49 (421) 218 - 63938
Room: MZH 4290
Email: vherdt@informatik.uni-bremen.de
My Publications

I am interested in the verification of systems on high levels of abstraction. My current research focus is on fully automatic formal methods for property checking as well as bug hunting in SystemC (TLM) models. The inherent concurrency of the models in combination with the large input space, requires sophisticated proof techniques.

Sebastian Huhn, M.Sc.
Phone: +49 (421) 218 - 63944
Room: MZH 4280
Email: huhn@informatik.uni-bremen.de
Twitter: se_huhn
My Publications

My activity is focused on the development of algorithms for high-quality test set generation for digital circuits. An important aspect of my work lies in the integration and profitable use of structural knowledge about the design under test within formal proof techniques, which are applied by the test computation process.

Helmar Hutschenreuter. M.Sc.
Phone: +49 (421) 218 - 59833
Room: MZH 4208
Email: hutschen@uni-bremen.de

My research is focussed on the combination of IT security and artificial intelligence. Hence, I am particularly interested in how AI can be used to secure IT systems by analysing these systems and identifying threats, potential risks or attacks. Furthermore, the definition of appropriate security goals and mechanisms has to be based on this knowledge.

Prof. Dr. Thomas Kemmerich
Phone: +49 (421) 218 - 63940
Room: MZH 4224
Email: kemmer@uni-bremen.de

My research topics are Information- and Network Security. My research focus is ‘Adaptive Network Security Services in virtualized Networks’. I am also active in the field of Digital Computer Forensics, here especially in the topic of ‘Digital Forensic Readyness’. I have a professorship at the Norwegian University of Science and Technology (NTNU) in Network Security.

Bernd Langpap
Phone: 0421/178454157 (Alternativ)
Email: bernd.langpap@dfki.de

My research focuses on the optimization of robotic software to hardware deployment mainly driven through formalized nonfunctional requirements. This includes as well basic research on the domains of software component profiling on different architectures as well as the semantic analysis of software component networks.

Dr. Hoang M. Le
Phone: +49 (421) 218 - 63957
Room: MZH 4290
Email: hle@informatik.uni-bremen.de
My Publications

My research area is the formal verification of systems at high levels of abstraction. Currently the focus is the development of an automated formal verification flow for SystemC TLM designs integrating property checking, debugging, and coverage analysis.

Ing. David Lemma
Phone: +49 (421) 218 - 63955
Room: MZH 4220
Email: lemma@informatik.uni-bremen.de
My Publications

My research focuses on power aware design, especially at the system level. In the nearby future, embedded designs will require to be thought of as the result of both functionality and power requirements and will require a unified workflow. The idea is to use modern techniques to aid the development of this integrated workflow for different application scenarios.

Alireza Mahzoon, M.Sc.
Phone: +49 (421) 218 - 63953
Room: MZH 4202
Email: mahzoon@informatik.uni-bremen.de
My Publications

My field of research is formal verification and debugging of gate-level arithmetic circuits specially large and complex multipliers and dividers. These circuits play an important role in different applications, and they usually consist of millions of gates. The idea is to take advantage of fast and scalable methods (e.g. computer algebra) to verify circuits, localize the faults, and make the buggy parts correct.

Rehab Massoud, M.Sc.
Phone: +49 (421) 218 - 64441
Room: MZH 4182
Email: massoud@informatik.uni-bremen.de
My Publications

I am interested in systems temporal behaviour modeling and verification. The problem I am currently addressing is to formally verify that a system fulfills its Real-Time specifications. As software nowadays is held responsible for the most critical bugs in embedded systems, I am investigating how to prove meeting certain software Real-Time execution specifications.

Tim Meywerk, M.Sc.
Phone: +49 (421) 218 - 64444
Room: MZH 4250
Email: tmeywerk@informatik.uni-bremen.de
My Publications

As part of the Collaborative Research Center EASE I am focusing on formal verification and optimization of plans for autonomous robots. In addition, my interests lie in the areas of automated reasoning and mathematical optimization.

Dr. Philipp Niemann
Phone: +49 (421) 218 - 64445
Room: MZH 4300
Email: pniemann@informatik.uni-bremen.de
My Publications

I am working on quantum circuits and reversible logic. My investigations focus on data structures that allow for the representation of larger functions in an efficient way and, at the same time, can be used for the synthesis of corresponding circuits.

Dipl. Inf., Dipl. Math. Christina Plump
Phone: +49 (421) 218 - 64449
Room: MZH 4200
Email: cplump@informatik.uni-bremen.de
My Publications

My main research area is the verification of cryptographic security properties. In researching this topic I combine my interest for cryptology, algebra, number theory, logics and proof techniques, in order to find holistic security proofs that are relevant and applicable in practice.

Mazyar Seraj, M.oM.
Phone: +49 (421) 218 - 64206
Email: seraj@informatik.uni-bremen.de
My Publications

My area of research focuses on Computer Science Education, specially Interactive Educational systems. I am currently working on enhancement of students' performance who want to learn programming languages via visual programming environments in the context of smart environments.

Dr. Jannis Stoppe
Phone: +49 (421) 218 - 63958
Room: MZH 4184
Email: jstoppe@informatik.uni-bremen.de
My Publications

The main focus of my research activities is the analysis of description languages for hardware/software design. Major questions are how such hybrid systems can be visualized and what technical prerequisites need to be satisfied for this purpose.

Marcel Walter, M.Sc.
Phone: +49 (421) 218 - 64440
Room: MZH 4260
Email: m_walter@informatik.uni-bremen.de
My Publications

My research topic is algorithm design for synthesis, optimization, and layout of classical and emerging computer technologies. For this purpose I apply both heuristic and exact approaches. Besides CMOS, my experiences are in the fields of Reversible Logic, Quantum Computing, DNA Computing, and Optical Computing, Digital Microfluidic Biochips (DMFB) as well as Quantum-dot Cellular Automata (QCA) and Nanomagnet Logic (NML).

Dr. habil. Robert Wille
Phone: +49 (421) 218 - 63947
Room: MZH 4310
Email: rwille@informatik.uni-bremen.de
My Publications

My main research focus is on reversible logic which shows promising applications e.g. in the area of low-power design and quantum computation. However, till today no design flow for reversible logic exists - this must be changed. In particular, approaches for synthesis, verification, and debugging need improvements. Besides that, I am trying to improve the existing SAT- and SMT-solvers and their application in formal hardware verification.

Lisa Jungmann
Phone: +49 (421) 218 - 63933
Room: MZH 4315
Email: jungmann@informatik.uni-bremen.de
My Publications

I am Fachinformatikerin in the emphasis application development specialized in Multimedia. I concern myself with web- and printdesign and the development from websites and onlinetools.


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