ModularSTWord

The alternating $S/T$ factorisation of a matrix, $T^{e_0}ST^{e_1}S\cdots$, as its list of $T$-exponents — the continued fraction of the matrix, up to sign.

ModularSTWord(matrix)the list of $T$-exponents

Typed signatures

Type	Package	Applies
(expression<ModularMatrix> | list | string) -> list<integer>	modular	always

Domain: The modular group

Examples

Basic #

The $T$-exponents of $\begin{pmatrix}1&4\\1&5\end{pmatrix}$

live ↗

In$\mathrm{ModularSTWord}(\mathrm{ModularMatrix}(1, 4, 1, 5))$Out$\bigl\lbrack1, 5\bigr\rbrack$

About

Examples	1

See also: ModularFromSTWord, ModularWord