We would be happy to send you reprints of our papers -- just add those papers you want to your briefcase and then fill out and submit the address form at the bottom of this page.
Moving Coframes II. Regularization and theoretical foundations (MF,P. Olver) Acta Appl. Math. 55(1999) 127--208.
Moving Coframes I. A practical algorithm. (MF, P. Olver) Acta Appl. Math. 51 (1998) 161-213.
Quantum fields at any time (CT, M. Varadarajan) Phys Rev. D 58 (1998)
On Relative Invariants (MF, P. Olver) Math Ann. 308(1997),701--732.
Symmetry Reduction of Variational Bicomplexes and the Principle of Symmetric Criticality (IA, MF), Amer. J. Math. 119(1997), 609--670.
Generalized Laplace Invariants and the Method of Darboux (IA, M. Juras), Duke J. Math. 89(1997),351--375.
The Variational Bicomplex for Hyperbolic Second-Order Scalar Partial Differential Equations in the Plane (IA, N. Kamran), Duke J. Math. 87(1997), 265--319.
The Inverse Problem for Fourth Order Scalar Differential Equations (MF), Trans.Amer.Math. Soc. 348(1996), 5007--5029.
Asympototic Conservation Laws in Classical Field Theory (IA, CT), Phys.Rev. Lett. 77(1996) 4109-4133.
Internal time formalism for spacetimes with two Killing vectors (CT, J. Ramano) Phys. Rev. D. 53 (1996) 5634--5650.
The Classification of Local Generalization Symmetries for the Einstein Equations (IA,CT), Comm. Math. Physics 176(1996),479--539.
Symmetries, Conservation Laws and Variational Principles for Vector Field Theories (IA, J. Pohjanpelto) Proc. Royal Phil. Soc. 120(1996) 479--539.
The Equivalence Problem for Systems of Second-Order Ordinary Differential Equations (MF), Proc. London Math Soc. 71(1995), 221-240.
Some Remarks on Gravitational Analogues of Magnetic Charge (CT) Classical Quantum Gravity 12 (1995) 43--50
Natural symmetries of the Yang-Mills equations (CT) J. Math. Phys. 36 (1995) 2113--2130.
Variational Principles for Differential Equations with Symmetries and Conservation Laws II : Polynomial Equations(IA, J. Pohjanpelto) Math. Ann. 301(1995),627--653.
Research Publications 1990--1994
Variational Principles for Differential Equations with Symmetries and Conservation Laws I: Second Order Scalar Equations (IA, J. Pohjanpelto) Math. Ann. 299(1994),191--222.
Internal, External and Generalized Symmetries (IA, N. Kamran, P. Olver) Adv. in Math. 100(1993) 53--100.
Gravitational Observations and local symmetries (CT) Phys. Rev. D 48 (1993) 2373--2376
Symmetries of the Einstein Equations (CT, IA), Phys. Rev. Lett. 70(1993), 3525--3529
The Inverse Problem in the Calculus of Variations for Ordinary Differential Equations (IA, G. Thompson), Memoirs of the AMS 473 (1992).
Nonfactorizable separable systems and higher-order symmetries of the Dirac operator (MF, N. Kamran) Proc.Roy. Soc. London Ser. A, 428 (1990) 229--249.
Research Publications 1985--1990
Conference Proceedings
Group invariant solutions in mathematical physics and differential geometry, (IA, MF, CT) Contemporary Mathematics (to appear)
Group invariant solutions without transversality and the principle of symmetric criticality(IA, MF, CT) Proceeding of the CRM AARMS Workshop on Backlund & Darboux Transformations. Halifax , June 1999.(to appear)
Infinite dimensional Lie algebra cohomology and the cohomology of invariant Euler-Lagrange complexes: a prelimenary report (IA, J. Pohjanpelto) Proceedings of the Conference on Differential Geometry and its Applications, Brno ,1995.
On the Cohomology of Invariant Variational Bicomplexes (IA, J. Pohjanpelto) Acta Applicanda 41 (1995), 3--19.
Conservation Laws and the Variational Bicomplex for Second Order Scalar Equations in the Plane (IA, N. Kamran) Acta Applicanda 41 (1995), 135-144.
Introduction to the Variational Bicomplex(IA) Comtemporary Mathematics 132 (1992).
