Exact(19)
His stomping ground was analysis — a discipline that uses estimates to capture the essence of messy mathematical quantities.
Two mathematical quantities associated with vector fields, like the electric field E and the magnetic field B, are useful for describing electromagnetic phenomena.
In order to satisfy the condition of relativistic invariance (i.e., treating space and time coordinates on the same footing), the Dirac equation required a combination of four wave functions and relatively new mathematical quantities known as spinors.
The field was pioneered in the 19th century by Carl Friedrich Gauss, who wanted to know how to accurately survey the landscape of a curved planet, but interest had waned by the 1930's, Studying the curvature of surfaces in spaces greater than three dimensions, Dr. Chern devised mathematical quantities, which he called characteristic classes, that differentiated different types of surfaces.
These curvature invariants are mathematical quantities that describe the "shape" of spacetime around the black hole.
All that is established so far is that certain mathematical quantities in the formalism are discrete.
Similar(41)
It's not computing the same mathematical quantity, it's not exactly the same tree, but it's going to produce a tree.
Whereas Einstein treated his cosmological constant as a mathematical quantity, nowadays we believe it has physical origins in quantum physics and maybe string theory.
Heat is actually an emergent phenomenon: a mathematical quantity defined in terms of a more detailed theory (the movement of individual atoms).
In formulating his laws, Newton asserted as postulates the notions of absolute space (in the sense of Euclidean geometry) and absolute time (a mathematical quantity that flows in the universe without reference to anything else).
This mathematical quantity, a pure number without dimensions, became known as the Reynolds number and was subsequently applied to other types of flow that are completely enclosed or that involve a moving object completely immersed in a fluid.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com