A Famous Identity of Hajós in Terms of Sets
Center for Research and Development in Mathematics and Applications
Department of Mathematics
University of Aveiro
António Guedes de Oliveira
CMUP and Mathematics Department
Faculty of Sciences
University of Porto
By considering the famous identity on the convolution of the central
in terms of pairs of
-sets, we obtain a new bijective proof and new identities that can be seen as refinements.
Full version: pdf,
(Concerned with sequences
Received September 11 2013;
revised version received June 6 2014; August 7 2014.
Published in Journal of Integer Sequences, August 12 2014.
Journal of Integer Sequences home page