Luc Bélanger

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During organogenesis, the winged helix hepatocyte nuclear factor 3beta (HNF-3beta) protein participates in regulating gene transcription in the developing esophagus, trachea, liver, lung, pancreas, and intestine. Hepatoma cell transfection studies identified a critical HNF-3beta promoter factor, named UF2-H3beta, and here, we demonstrate that UF2-H3beta is(More)
The aim of this note is to give a simple construction of the Tribonacci sequences, namely they consist of the occurrences of letters in an infinite word obtained as the fixed point of the morphism θ defined by θ : a → ab; b → ac; c → a. The construction is combinatorial and admits a generalization to k-bonacci sequences.
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