Characterizing ring derivations of all orders via functional equations: results and open problems

Verfasser / Beitragende:
[Bruce Ebanks]
Ort, Verlag, Jahr:
2015
Enthalten in:
Aequationes mathematicae, 89/3(2015-06-01), 685-718
Format:
Artikel (online)
ID: 605508550
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024 7 0 |a 10.1007/s00010-014-0256-8  |2 doi 
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100 1 |a Ebanks  |D Bruce  |u Department of Mathematics and Statistics, Mississippi State University, PO Drawer MA, 39762, Mississippi State, MS, USA  |4 aut 
245 1 0 |a Characterizing ring derivations of all orders via functional equations: results and open problems  |h [Elektronische Daten]  |c [Bruce Ebanks] 
520 3 |a We provide a unifying framework for the treatment of equations of the form $$\sum_{k=1}^n x^{p_k} f_k (x^{q_k}) = 0$$ ∑ k = 1 n x p k f k ( x q k ) = 0 for additive maps f k and integers p k , q k (1 ≤ k ≤ n). We show how to solve many equations of this type, and we present some open problems. In general our unknown functions map an integral domain of characteristic zero into itself. When negative exponents appear, we restrict our attention to fields of characteristic zero. All of the results could be formulated for integral domains or fields of sufficiently large characteristic as well. 
540 |a Springer Basel, 2014 
690 7 |a Ring derivation  |2 nationallicence 
690 7 |a Derivation of higher order  |2 nationallicence 
690 7 |a Additive map  |2 nationallicence 
690 7 |a Homogeneous function  |2 nationallicence 
690 7 |a Integral domain  |2 nationallicence 
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908 |D 1  |a research-article  |2 jats 
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950 |B NATIONALLICENCE  |P 100  |E 1-  |a Ebanks  |D Bruce  |u Department of Mathematics and Statistics, Mississippi State University, PO Drawer MA, 39762, Mississippi State, MS, USA  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Aequationes mathematicae  |d Springer Basel  |g 89/3(2015-06-01), 685-718  |x 0001-9054  |q 89:3<685  |1 2015  |2 89  |o 10