Special Session on Symbolic Symmetry Analysis and Its Applications ACA 2007 July 21 -July 22	Saturday, July 21^st	Sunday, July 22^nd
9:00 am – 11:50 am	Morning Session	9:00 am – 12:00 pm	Morning Session
9:00 am – 9:50 am	Maria Clara Nucci	9:00 am – 9:50 am	Barbara Abraham-Shrauner
	Jacobi last multiplier and Lie symmetries: a stronghold of Physics		Type II hidden symmetries of nonlinear partial differential equation
9:50 am – 10:00 am	Break	9:50 am – 10:00 am	Break
10:00 am – 10:50 am	Willard Miller	10:00 am – 10:50 am	Thomas Wolf
	Second order superintegrable systems and algebraic varieties		Computer algebra challenges from the search for 3-dimensional scalar discrete integrable equations
10:50 am – 11:00 am	Break	10:50 am – 11:00 am	Break
11:00 am – 11:50 am	Robert Milson	11:00 am – 11:30 am	Irina Kogan
	Invariant subspaces of quadratically non-linear operators		Differential and variational calculus in invariant frames
		11:30 am – 12:00 pm	Nicoleta Bila
			Nonclassical equivalence transformations for a parameter identification problem
12:00 pm – 2:00 pm	Lunch		Lunch
2:00 pm – 3:30 pm	Afternoon Session
2:00 pm – 2:50 pm	Greg Reid
	Symmetry computation in approximate and analytic spaces
2:50 pm – 3:00 pm	Break
3:00 pm – 3:30 pm	David A. Richter
	Lie superalgebras of matrix differential operators
6:00 pm- 9:00 pm	Conference Dinner at Meadow Brook Hall