Journal of Symbolic Computation, Volume 26, 1998

Volume 26, Number 1, July 1998

• Josef Schicho: Rational Parametrization of Surfaces. 1-29
• Jaime Gutierrez, Tomás Recio: Advances on the Simplification of Sine-Cosine Equations. 31-70
• Ioannis Z. Emiris, Victor Y. Pan, Yanqiang Yu: Modular Arithmetic for Linear Algebra Computations in the Real Field. 71-87
• Torsten Minkwitz: An Algorithm for Solving the Factorization Problem in Permutation Groups. 89-95
• Maribel Fernández: Negation Elimination in Empty or Permutative Theories. 97-133

Volume 26, Number 2, August 1998

• Sebastian Egner, Torsten Minkwitz: Sparsification of Rectangualr Matrices. 135-149
• Attila Pethö, Robert F. Tichy: On Two-Parametric Quartic Families of Diophantine Problems. 151-171
• Clemens Heuberger: On a Family of Quintic Thue Equations. 173-185
• Frédéric Chyzak, Bruno Salvy: Non-Commutative Elimination in Ore Algebras Proves Multivariate Identities. 187-227
• Alyson Reeves: A Parallel Implementation of Buchberger's Algorithm over Z_p for p <= 31991. 229-244

• Massimo Caboara, Eva Riccomagno: An Algebraic Computational Approach to the Identifiability of Fourier Models. 245-260

Volume 26, Number 3, September 1998

• Manfred Göbel: A Constructive Description of SAGBI Bases for Polynomial Invariants of Permutation Groups. 261-272
• Theo De Jong: An Algorithm for Computing the Integral Closure. 273-277
• Hoon Hong, Josef Schicho: Algorithms for Trigonometric Curves (Simplification, Implicitization, Parameterization). 279-300
• Mulan Liu, Lei Hu: Properties of Gröbner Bases and Applications to Doubly Periodic Arrays. 301-314
• Thomas G. Berry: Construction of Linear Systems on Hyperelliptic Curves. 315-327
• Philip Feinsilver, René Schott: Computing Representations of a Lie Group via the Universal Enveloping Algebra. 329-338
• Daniel J. Bernstein: Composing Power Series Over a Finite Ring in Essentially Linear Time. 339-341
• Thomas Breuer, Götz Pfeiffer: Finding Possible Permutation Characters. 343-354

• Ian G. Lisle, Gregory J. Reid: Geometry and Structure of Lie Pseudogroups from Infinitesimal Defining Systems. 355-379
• M. Fournié, J.-Ph. Furter, D. Pinchon: Computation of the Maximal Degree of the Inverse of a Cubic Automorphism of the Affine Plane with Jacobian 1 via Gröbner Bases. 381-386

Volume 26, Number 4, October 1998

• M. Ph. Saux Picart: The Schur-Cohn Algorithm Revisited. 387-408
• Roberto La Scala, Michael Stillman: Strategies for Computing Minimal Free Resolutions. 409-431
• Jaime Gutierrez, Rosario Rubio San Miguel: Reduced Gröbner Bases Under Composition. 433-444
• Peter A. Hendriks: An Algorithm Determining the Difference Galois Group of Second Order Linear Difference Equations. 445-461
• Mark Giesbrecht: Factoring in Skew-Polynomial Rings over Finite Fields. 463-486
• Alexander Schiemann: Classification of Hermitian Forms with the Neighbour Method. 487-508
• Shawna Meyer Eikenberry, Jonathan Sorenson: Efficient Algorithms for Computing the Jacobi Symbol. 509-523

Volume 26, Number 5, November 1998

• Michael Kalkbrener: Algorithmic Properties of Polynomial Rings. 525-581
• Joachim von zur Gathen, Silke Hartlieb: Factoring Modular Polynomials. 583-606
• Martin von Mohrenschildt: A Normal Form for Function Rings of Piecewise Functions. 607-619
• Friedrich Otto, Masashi Katsura, Yuji Kobayashi: Infinite Convergent String-Rewriting Systems and Cross-Sections for Finitely Presented Monoids. 621-648

Volume 26, Number 6, December 1998

• Narendra Karmarkar, Yagati N. Lakshman: On Approximate GCDs of Univariate Polynomials. 653-666
• Lihong Zhi, Wenda Wu: Nearest Singular Polynomials. 667-675
• Bernhard Beckermann, George Labahn: When are Two Numerical Polynomials Relatively Prime? 677-689
• Bernhard Beckermann, George Labahn: A Fast and Numerically Stable Euclidean-Like Algorithm for Detecting Relatively Prime Numerical Polynomials. 691-714
• Bernard Mourrain: Computing the Isolated Roots by Matrix Methods. 715-738
• Quoc-Nam Tran: A Symbolic-Numerical Method for Finding a Real Solution of an Arbitrary System of Nonlinear Algebraic Equations. 739-760
• Kioshi Shirayanagi, Moss Sweedler: Remarks on Automatic Algorithm Stabilization. 761-765
• Birkett Huber, Frank Sottile, Bernd Sturmfels: Numerical Schubert Calculus. 767-788
• Patrizia M. Gianni, Mika Seppälä, Robert Silhol, Barry M. Trager: Riemann Surfaces, Plane Algebraic Curves and Their Period Matrices. 789-803