The algebra of polynomial integro-differential operators is a holonomic bimodule over the subalgebra of polynomial differential operators

Details The algebra of polynomial integro-differential operators is a holonomic bimodule over the subalgebra of polynomial differential operators The algebra of polynomial integro-differential operators is a holonomic bimodule over the subalgebra of polynomial differential operators

2011-04-03

arxiv.org/abs/1104.0423v1

Mathematics

Rings and Algebras

10 pages

Scientific paper

In contrast to its subalgebra $A_n:=K$ of polynomial differential operators (i.e. the $n$'th Weyl algebra), the algebra $\mI_n:=K$ of polynomial integro-differential operators is neither left nor right Noetherian algebra; moreover it contains infinite direct sums of nonzero left and right ideals. It is proved that $\mI_n$ is a left (right) coherent algebra iff $n=1$; the algebra $\mI_n$ is a {\em holonomic $A_n$-bimodule} of length $3^n$ and has multiplicity $3^n$, and all $3^n$ simple factors of $\mI_n$ are pairwise non-isomorphic $A_n$-bimodules. The socle length of the $A_n$-bimodule $\mI_n$ is $n+1$, the socle filtration is found, and the $m$'th term of the socle filtration has length ${n\choose m}2^{n-m}$. This fact gives a new canonical form for each polynomial integro-differential operator. It is proved that the algebra $\mI_n$ is the maximal left (resp. right) order in the largest left (resp. right) quotient ring of the algebra $\mI_n$.

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