TCS / Research / Publications / Technical Reports (Series B)
Helsinki University of Technology, 
     Laboratory for Theoretical Computer Science

Helsinki University of Technology
Laboratory for Theoretical Computer Science
Technical Reports (Series B)

Series editor: Professor Ilkka Niemelš
Editorial assistant: Mrs Ulla Kangasniemi

2007

25Maarit Hietalahti, Mikko Särelä, Antti Tuominen, and Pekka Orponen. Security topics and mobility management in hierarchical ad hoc networks (Samoyed): Final report. Technical Report B22, Helsinki University of Technology, Laboratory for Theoretical Computer Science, Espoo, Finland, December 2007.
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24Jori Dubrovin and Tommi Junttila. Symbolic model checking of hierarchical UML state machines. Technical Report B23, Helsinki University of Technology, Laboratory for Theoretical Computer Science, Espoo, Finland, December 2007.
PostScript (879 kB)
GZipped PostScript (449 kB)
PDF (223 kB)
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23Jori Dubrovin, Tommi Junttila, and Keijo Heljanko. Symbolic step encodings for object based communicating state machines. Technical Report B24, Helsinki University of Technology, Laboratory for Theoretical Computer Science, Espoo, Finland, December 2007.
PostScript (984 kB)
GZipped PostScript (462 kB)
PDF (265 kB)
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22Vesa Ojala. A slicer for UML state machines. Technical Report B25, Helsinki University of Technology, Laboratory for Theoretical Computer Science, Espoo, Finland, December 2007.
PostScript (830 kB)
GZipped PostScript (265 kB)
PDF (307 kB)
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2004

21Annikka Aalto. Automatic translation of SDL into high level Petri nets. Technical Report B21, Helsinki University of Technology, Laboratory for Theoretical Computer Science, Espoo, Finland, November 2004.
NOTE: Reprint of Master's thesis; see URL below.
PostScript (3 MB)
GZipped PostScript (488 kB)
PDF (782 kB)
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See www.tcs.hut.fi ...

2001

20Eero Lassila. A tree expansion formalism for generative string rewriting. Technical Report B20, Helsinki University of Technology, Laboratory for Theoretical Computer Science, Espoo, Finland, June 2001.
PostScript (3 MB)
GZipped PostScript (1 MB)
PDF (656 kB)
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1998

19Marko Mäkelä, Jani Lahtinen, and Leo Ojala. Performance analysis of a traffic control system using stochastic Petri nets. Technical Report B19, Helsinki University of Technology, Digital Systems Labora tory, Espoo, Finland, December 1998.
PostScript (267 kB)
GZipped PostScript (111 kB)
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18Tommi Syrjänen. Implementation of local grounding for logic programs with stable model semantics. Technical Report B18, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, October 1998.
PostScript (508 kB)
GZipped PostScript (157 kB)
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1997

17Markus Malmqvist. Methodology of dynamical analysis of SDL programs using predicate/transition nets. Technical Report B16, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, April 1997.
NOTE: Reprint of Master's thesis; see URL below.
PostScript (1 MB)
GZipped PostScript (218 kB)
Info
See www.tcs.hut.fi ...
16Tero Jyrinki. Dynamical analysis of SDL programs using predicate/transition nets. Technical Report B17, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, April 1997.
NOTE: Reprint of Master's thesis; see URL below.
PostScript (972 kB)
GZipped PostScript (228 kB)
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See www.tcs.hut.fi ...

1996

15Eero Lassila. ReFlEx — an experimental tool for special-purpose processor code generation. Technical Report B15, Helsinki University of Technology, Digital Systems Labora tory, Espoo, Finland, March 1996.
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GZipped PostScript (186 kB)
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1995

14Tuomas Aura. Modelling the Needham-Schröder authentication protocol with high level Petri nets. Technical Report B14, Helsinki University of Technology, Digital Systems Labora tory, Espoo, Finland, September 1995.
PostScript (325 kB)
GZipped PostScript (117 kB)
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13Kimmo Varpaaniemi, Jaakko Halme, Kari Hiekkanen, and Tino Pyssysalo. PROD reference manual. Technical Report B13, Helsinki University of Technology, Digital Systems Labora tory, Espoo, Finland, August 1995.
PostScript (417 kB)
GZipped PostScript (115 kB)
PDF (499 kB)
Errata 
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See www.tcs.hut.fi ...

1994

12Kimmo Varpaaniemi. On computing symmetries and stubborn sets. Technical Report B12, Helsinki University of Technology, Digital Systems Labora tory, Espoo, Finland, April 1994.
PostScript (238 kB)
GZipped PostScript (65 kB)
PDF (247 kB)
Errata 
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1993

11Peter Grönberg, Mikko Tiusanen, and Kimmo Varpaaniemi. PROD – a PrT–net reachability analysis tool. Technical Report B11, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, June 1993.
PostScript (336 kB)
GZipped PostScript (89 kB)
PDF (347 kB)
Errata 
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10Kari J. Nurmela and Patric R. J. Östergård. Constructing covering designs by simulated annealing. Technical Report B10, Helsinki University of Technology, Digital Systems Labora tory, Espoo, Finland, January 1993.
PostScript (319 kB)
GZipped PostScript (88 kB)
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1990

9Johan Lilius. On the notion of dialectical nets. Technical Report B9, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, June 1990.
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1989

8Victor Varshavsky. Circuits insensitive to delays in transistors and wires. Technical Report B7, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, November 1989.
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7Johan Lilius. Dialectical nets: A categorical approach to net theory. Technical Report B8, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, November 1989.
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1988

6Marko Rauhamaa. Design and implementation of a reduction tool for PrT-nets. Technical Report B6, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, December 1988.
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5Nisse Husberg. Petri nets in algebraic theories – a category theory approach. Technical Report B5, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, June 1988.
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4Victor Varshavsky and Mikko Tiusanen. Hardware support of concurrent process interaction and synchronization: On the principle of autocorrect implementation. Technical Report B4, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, May 1988.
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3Esa Kettunen, Esa Montonen, and Timo Tuuliniemi. An interactive PrT-net tool for verification of SDL-specifications. Technical Report B3, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, February 1988.
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2Mikko Tiusanen. Some unsolved problems in modelling self-timed circuits using Petri nets. Technical Report B2, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, January 1988.
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1987

1Ilkka Niemelä and Heikki Tuominen. Helsinki logic machine: a system for logical expertise. Technical Report B1, Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland, December 1987.
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Latest update: 19 January 2010.