\upsilon
The Greek letter \upsilon is used in mathematics and science to represent various concepts, such as a variable or a specific type of particle in physics. It is the 20th letter of the Greek alphabet and is often used in mathematical expressions and equations.
Kinetic energy equation where \upsilon might represent a variable related to velocity.
\upsilon = \frac{1}{2}mv^2
An integral expression where \upsilon is a parameter in the exponential function.
\int_0^\infty e^{-\upsilon x} \, dx
Indicating that \upsilon is an element of the set of real numbers.
\upsilon \in \mathbb{R}