Journal of Integer Sequences, Vol. 10 (2007), Article 07.8.2

The Compositions of Differential Operations and the Gateaux Directional Derivative

Branko J. Malešević and Ivana V. Jovović
University of Belgrade
Faculty of Electrical Engineering
Bulevar kralja Aleksandra 73


This paper deals with the number of meaningful compositions of higher order of differential operations and the Gateaux directional derivative.

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(Concerned with sequences A000079 A007283 A020701 A020714 A090989 A090990 A090991 A090992 A090993 A090994 A090995 and A129638 .)

Received June 5 2007; revised version received July 30 2007. Published in Journal of Integer Sequences, August 3 2007.

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