Geodesic
String wave equation in finite fields context
Zapiski Nauchnykh Seminarov POMI, Algebra and number theory. Part 1, Tome 469 (2018), pp. 138-150 
N. V. Proskurin. String wave equation in finite fields context. Zapiski Nauchnykh Seminarov POMI, Algebra and number theory. Part 1, Tome 469 (2018), pp. 138-150. http://geodesic.mathdoc.fr/item/ZNSL_2018_469_a4/
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     author = {N. V. Proskurin},
     title = {String wave equation in finite fields context},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {138--150},
     year = {2018},
     volume = {469},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2018_469_a4/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

In context of complex functions over finite fields, string wave equation (i.e. one-dimentional wave equation) is considered. Analoques over finite fields are presented for the classical d'Alembert's formulas.

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