Homomorphisms of modules associated with polynomial matrices with infinite elementary divisors
classification
🧮 math.RA
math.AC
keywords
polynomialhomomorphismsmodulesassociateassociatedcharacterizedivisorselementary
read the original abstract
If the inverse of a nonsingular polynomial matrix $L$ has a polynomial part then one can associate with $L$ a module over the ring of proper rational functions, which is related to the structure of $L$ at infinity. In this paper we characterize homomorphisms of such modules.
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