Slide: Which functions are holonomic (Zeilberger(1990))?  Polynomials and rational functions are holonomic.  exp(rational), log(rational) are holonomic.  f, g : holonomic  f + g, f  g : holonomic  f (x1 , . . . , xm ) : holonomic  f (x1 , . . . , xm )dxm : holonomic  Restriction of a holonomic f to an ane subspace is holonomic.  19
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