Abstract
It is shown that a product preserving bijective (not necessarily real linear or continuous) operator on an appropriate class of complex valued functions must have either the form [φ → φ0u] or where u is a fixed diffeomorphism of the base.
Original language | English |
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Pages (from-to) | 1115-1132 |
Number of pages | 18 |
Journal | Illinois Journal of Mathematics |
Volume | 54 |
Issue number | 3 |
DOIs | |
State | Published - 2010 |