Definition:Invertible


 * Mapping Theory:
 * Invertible Mapping


 * Abstract Algebra:
 * Invertible Element
 * Invertible Operation


 * Linear Algebra:
 * Invertible Matrix


 * Hilbert Spaces:
 * Invertible Linear Operator
 * Invertible Linear Transformation
 * Invertible Bounded Linear Operator
 * Invertible Bounded Linear Transformation