In math, foil theory studies the decomposition of a geometric object to n dimensions in other objects of smaller size, called leaves. The theory lies within the differential geometry and differential topology. Stored by wikitesto
The folk theory was developed in the '40s, almost simultaneously but independently, by Charles Ehresmann and Georges Reeb, who took the lead from a question made by Heinz Hopf in the 1930s: It exists on the Euclidean sphere R 3 {\displaystyle \mathbb {R} ^{3}} , a two-dimensional projection?
This question Georges Reeb affirmatively answered, demonstrating, for example, the existence of smooth follicle.
Among the scholars who made important contributions to the film theory were the Swiss André Haefliger and the US William Thurston. Links externalize the wikitesto
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