Volume 9, Issue Supplement 1, February 2002, Pages 164 - 172
Peter J. Olver, Jan A. Sanders, Jing Ping Wang
Peter J. Olver
Received 7 June 2001, Revised 19 November 2001, Accepted 21 November 2001, Available Online 1 February 2002.
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- We introduce the notion of a ghost characteristic for nonlocal differential equations. Ghosts are essential for maintaining the validity of the Jacobi identity for the charateristics of nonlocal vector fields.
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Cite this article
TY - JOUR AU - Peter J. Olver AU - Jan A. Sanders AU - Jing Ping Wang PY - 2002 DA - 2002/02/01 TI - Ghost Symmetries JO - Journal of Nonlinear Mathematical Physics SP - 164 EP - 172 VL - 9 IS - Supplement 1 SN - 1776-0852 UR - https://doi.org/10.2991/jnmp.2002.9.s1.14 DO - https://doi.org/10.2991/jnmp.2002.9.s1.14 ID - Olver2002 ER -