Castrillón López, MarcoValdés Morales, Antonio2023-06-202023-06-202001-05https://hdl.handle.net/20.500.14352/60382We show that projectively invariant evolution operators have unavoidable singularities. In particular, we see that there exists no non-singular projective evolution operator well-defined over straight lines nor conics.engjournal articleopen accessInteligencia artificial (Informática)1203.04 Inteligencia Artificial