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Schoonschip Documentation

For many years, Martinus J. G. Veltman's program, Schoonschip, was the premiere computer algebra system for high energy theory calculations. CDC Schoonschip was part of the CERN program library as catalog item R 201 was was available for anyone to use. Its initial documentation is in the form of a CERN preprint by Prof. Veltman in 1967. From 1972-1977, Hugo Strubbe was responsible for much of the maintenance and distribution of CDC Schoonschip at CERN. In this position, he wrote additional documentation and promoted the code at international seminars.

Note that there is overlap between the categories of documentation presented below.

Schoonschip manuals

• A CDC 6600 program for symbolic evaluation of algebraic expressions
  M. Veltman, CERN preprint 1967
  This is the first generally available documentation of Schoonschip, and can be considered to be the manual for the 1967 version of Schoonschip. This preprint is often cite by authors who have used Schoonschip for their calculations.
• Manual for Schoonschip: A CDC 6000/7000 Program for Symbolic Evaluation of Algebraic Expressions
  H. Strubbe, Comp. Phys. Comm. 8 (1974) 1 [doi:10.1016/0010-4655(74)90081-2]
  [Also available as CERN DD report DD/74/5]
  This manual describes the 1973 version of Schoonschip.
• Schoonschip, a Program for Algebraic Manipulations
  H. Strubbe, CERN Computer Newsletter No. 81 (1975)
  This describes the January 1, 1973 version of Schoonschip and how to run it on the CERN CDC computers.
• Manual for Schoonschip – Addition to the 1973 version
  H. Strubbe, CERN program library writeup, 1977
  Programs in the CERN program library have associated documentation. This is a collection of two addenda dated October 15, 1975 and April 15, 1977 to the Schoonschip documentation.
• Schoonschip: a program for symbol handling
  Martinus J. G. Veltman, ed. David N. Williams, January 1991
  This is an updated manual for the January 1, 1991 version of Schoonschip, and describes the M68k version developed at the University of Michigan. Much effort has been made to maintain backward compatibility with CDC Schoonschip, so this document is generally useful for all versions.
• Conversion of Jobs from 6000 RIOS to 7000 RIOS
  H. Strubbe, CERN Computer Newsletter No. 79 (1973)
  Not a Schoonschip manual, but rather this newsletter article explains how to use the DOMOR updating program to assist with program conversion when the CERN computer center was upgrading to a new set of CDC mainframes.

IBM S/360 conversion

• Development of the Schoonschip Program
  H. Strubbe, Comp. Phys. Comm. 18 (1979) 1 [doi:10.1016/0010-4655(79)90019-5].
  This article updates the 1973 Schoonschip manual ("Manual for Schoonschip" shown above) to the April 1, 1977 version of Schoonschip. It also announces the IBM version and describes the conversion process.
• Converting Schoonschip to IBM
  H. Strubbe, CERN DD report DD/77/1 (1977)
  This highlights some of the issues that were faced when converting CDC code to the IBM S/360 family such as differences in word size and the use of bit structures in Schoonschip. Hugo Strubbe performed the conversion by first analyzing the Schoonschip code and reverse engineering it into a PL/I-like language and then compiling the PL/I into a set of IBM BAL macros.

Schoonschip promotion

• Algebraic Techniques
  M. Veltman, Comp. Phys. Comm. 3 suppl. (1972) 75 [doi:10.1016/0010-4655(72)90115-4]
  Talk given at the First European Conference on Computational Physics held at CERN in April 1972.
• An Open Letter From Fateman to Veltman
  R. J. Fateman
  Written by Robert Fateman in response to Prof. Veltman's talk on Algebraic Techniques shown above.
• Comments on the open letter from Fateman to Veltman
  H. J. Gawlik, ACM SIGSAM Bulletin 13 (1979) 14 [doi:10.1145/1088282.1088284]
  Another response to Prof. Veltman's talk on Algebraic Techniques. This came significantly later than the original talk.
• Internal Mechanism of a Schoonschip Calculation
  H. Strubbe, CERN DD report DD/73/10 (1973)
  Presented at the Technical Meeting of SEAS in Rimini, Italy, April 1973.
• Calculations with Schoonschip
  H. Strubbe, CERN DD report DD/73/16 (1973)
  Presented at the Third Colloquium on Advanced Computing Methods in Theoretical Physics, Marseille, June 1973.
• Typical Algebraic Calculations in High-Energy Physics
  H. Strubbe, CERN DD report DD/73/34 (1974)
  Presented at the SEAS Winter Project Meeting, Amsterdam, January 1974.
• Presentation of the SCHOONSCHIP System
  H. Strubbe, ACM SIGSAM Bulletin 8 (1974) 55
  This presentation is in the Proceedings of Eurosam '74 at the Royal Institute of Technology, Stockholm, August 1974.
• Analytical Computations and the Schoonschip Program
  H. Strubbe, ECODU20 Proceedings (1975) 215
  Talk given by Hugo Strubbe at the ECODU20 conference hosted by the Hungarian Academy of Sciences in Budapest, September 1975, promoting the use of Schoonschip. The Appendix gives a brief description of the DOMOR updating program.
• Schoonschip '91
  M. J. G. Veltman and D. N. Williams, hep-ph/9306228
  This is the announcement of the free availability of M68k Schoonschip. M68k Schoonschip binaries were made available for the Amiga, Atari, NeXT and Sun 3 workstations.

Schoonschip usage examples

• Subtracted Generalized Polylogarithms and the Sinac Program
  D. Maison and A. Petermann, CERN DD report DD/73/15 (1973)
  
• Solution to SIGSAM Problem No.5 Using Schoonschip
  M. Rochon and H. Strubbe, CERN DD report DD/74/34 (1974)
  
• An Application of Schoonschip for Algebraic Calculations in Quantum Chemistry
  P.-O. Nerbrant, Comp. Phys. Comm. 14 (1978) 315 [doi:10.1016/0010-4655(78)90001-2]
  
• Mincer: Program for Multiloop Calculations in Quantum Field Theory for the Schoonschip System
  S. G. Gorishny, S. A. Larin, L. R. Surguladze and F. V. Tkachov, Comp. Phys. Comm. 55 (1989) 381 [doi:10.1016/0010-4655(89)90134-3]
  

Miscellaneous

• General News Items – Schoonschip
  CERN Computer Newsletter No. 150 (1980)
  Announcement that Schoonschip (R201) is being removed from the CERN program library at the request of M. Veltman.
• Tini Veltman (1931-2021): From Assembly Language to a Nobel Prize
  in Stephen Wolfram Writings, January 2021
  Reflections on Tini Veltman shortly after he passed away.
• SCHOONSCHIP, The Largest Time Equation and the Continuous Dimensional Regularisation
  E. Remiddi, Acta Phys. Polon. B 52 (2021) 513 [doi:10.5506/APhysPolB.52.513]
  In addition to physics, Prof. Remiddi recalls the history of Schoonschip in the memorial volume of Acta Physica Polonica B paying tribute to Martinus J. G. Veltman.
• The development of computational methods for Feynman diagrams
  R. V. Harlander and J.-P. Martinez, EPJ H 49 (2024) 4 [doi:10.1140/epjh/s13129-024-00067-6]
  This article traces through the history of computer algebra systems associated with evaluating Feynman diagrams and has a long discussion on Schoonschip, Reduce and Ashmedai.