Abstract. We provide 𝑞-generalizations of Spivey's Bell number formula in various settings by considering statistics on different combinatorial structures. This leads to new identities involving ...

According to Graham, this formula resulted from a study of various valuation methods and is to be considered an effective shorthand way of estimating the intrinsic value of stocks. The formula should ...

Atomic Number and Mass Number of Elements: Atoms are the building blocks of matter. They are responsible for the format of all living and non-living things. Understanding their molecular structure and ...