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URL:/combinatorics-and-optimization/events/nabla-operat
 or-super-nabla-operator-francois-bergeron
SUMMARY:From the nabla operator to the super nabla operator - François\nBe
 rgeron 
CLASS:PUBLIC
DESCRIPTION:Summary \n\nTITLE: From the nabla operator to the super nabla 
 operator\n 
DTSTAMP:20250521T202016Z
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