Operators on polynomials

`*` [multiply](polynomial.multiply.ipynb) Product (concatenation)
`&` [conjunction](polynomial.conjunction.ipynb) Conjunction (synchronized product)
`+` [sum](polynomial.sum.ipynb) Sum (disjunction)
`%` [difference](polynomial.difference.ipynb) Difference
`-` [difference](polynomial.difference.ipynb) Difference
`**` [power](polynomial.power.ipynb) Repeated concatenation