Riemannféle
Riemannféle refers to a collection of mathematical concepts and problems that originated from or are related to the work of Bernhard Riemann. One of the most famous and significant of these is the Riemann hypothesis.
The Riemann hypothesis is a conjecture about the distribution of the zeros of the Riemann zeta function.
Other concepts associated with Riemann's work include Riemannian geometry, which is a field of differential geometry
The term "Riemannféle" can also encompass various other contributions by Riemann, such as his work on Riemann