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Abstract The signal digitization process of the open television system is still in progress, therefore, the study of the digital signal propagation has great importance so that broadcasters can develop and improve the tr...

We show that generalized symmetries cannot be charged under a continuous global symmetry having a Noether current. Further, only non-compact generalized symmetries can be charged under a continuous global symmetry. These...

The thinness of a graph is a width parameter that generalizes some properties of interval graphs, which are exactly the graphs of thinness one. Many NP-complete problems can be solved in polynomial time for graphs with b...

The social appropriation of water in Patagonia is not only associated with its historical-spatial configuration and the uses of the territory, but also with the social, environmental and economic interests around water, ...

Latin America and the Caribbean is known worldwide as the most unequal region on the planet. However, all the academic attention given to its levels of poverty and income distribution has not been matched by the study of...