Abstract.
Let N be a topological nearring. A topological N-group is a topological group G, together with a continuous function from N x G to G, sending (a, x) to ax, such that (a + b) x = ax + bx and (ab) x = a (bx) for all \( a,b \in N \) and \( x \in G \). We determine all topological N-groups in the case where the topological nearring N is the unique, up to isomorphism, topological nearring whose additive group is the two dimensional Euclidean group \( \Bbb {R}^2 \) and which has an identity but is not zero symmetric, and the topological group is any one of the n-dimensional Euclidean groups \( \Bbb {R}^n \). A key ingredient in all this is the solution of a functional equation involving two continuous selfmaps of \( \Bbb {R}^n \).
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Received: April 3, 1996; revised version: October 21, 1996
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Magill, Jr., K. Functional equations and topological N-groups. Aequ. Math. 55, 241–250 (1998). https://doi.org/10.1007/s000100050033
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DOI: https://doi.org/10.1007/s000100050033