In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …

Dec 22, 2020 · I have encountered this when referencing subsets and vector subspaces. For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've …

Jul 28, 2021 · What do the less-than and greater-than symbols right next to each other mean? Does it mean either less than or greater than? In other words, not equal? I am trying to …

Meaning of “arg min” [closed] Ask Question Asked 13 years ago Modified 6 months ago

Mar 3, 2019 · Whats the meaning of this symbol? Its a three dot symbol: ∴ I read a book, im could not find any definition of this symbol. This is about continuum property of the natural numbers …

May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 6 months ago Modified 9 years, 6 months ago

I have read that an infinitesimal is very small, it is unthinkably small but I am not quite comfortable with with its applications. My first question is that is an infinitesimal a stationary value?...

I am currently learning about the concept of convolution between two functions in my university course. The course notes are vague about what convolution is, so I was wondering if anyone …

Jan 26, 2020 · $ (\Bbb Z/n\Bbb Z)^\times$ often means the group of units. It consists of all the elements in $\Bbb Z/n \Bbb Z$ that have an inverse. These elements form a group with …

Google search-bar gives the definition of Hermitian as: Hermitian: denoting or relating to a matrix in which those pairs of elements that are symmetrically placed with respect to the principal di...