Beltrami County, Minnesota
- Beltrami County ( bel-TRAM-ee) is a county in the northern part of the U.S. state of Minnesota. As of the 2010 United States Census, the population was 44,442. Its county seat is Bemidji.
Beltrami equation
- In mathematics, the Beltrami equation, named after Eugenio Beltrami, is the partial differential equation
Beltrami–Klein model
- In geometry, the Beltrami–Klein model, also called the projective model, Klein disk model, and the Cayley–Klein model, is a model of hyperbolic geometry in which points are represented by the
Beltrami, Minnesota
- Beltrami is a city in Polk County, Minnesota, United States. It is part of the Grand Forks, ND-MN Metropolitan Statistical Area.
Beltrami flow
- In fluid dynamics, Beltrami flows are flows in which the vorticity vector
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