Mathematicians Leonhard Euler and Augustus Mobius pioneered 'geometria situs' ('geometry of place'), later called?
Geometry more abstract level. Leonhard Euler, in studying problems like the Seven Bridges of Königsberg, considered the most fundamental properties of geometric figures based solely on shape, independent of their metric properties. Euler called this new branch of geometry "geometria situs" (geometry of place), but it is now known as topology. Topology grew out of geometry, but turned into a large independent discipline. It does not differentiate between objects that can be continuously deformed into each other. The objects may nevertheless retain some geometry, as in the case of hyperbolic knots. Geometry Geometry (from the ; "geo-" "earth", "-metron" "measurement") is
Contributions of Leonhard Euler to mathematics facilitated the use of differential equations, in particular introducing the Euler–Mascheroni constant: One of Euler's more unusual interests was the application of mathematical ideas in music. In 1739 he wrote the "Tentamen novae theoriae musicae," hoping to eventually integrate music theory as part of mathematics. This part of his work, however did not receive wide attention and was once described as too mathematical for musicians and too musical for mathematicians. The works which Euler published separately are: Contributions of Leonhard Euler to mathematics The 18th-century Swiss mathematician Leonhard Euler (1707–1783) is among the most prolific and successful mathematicians in the