Page 16 - Advanced Linear Algebra

xviii Contents

Formal Power Series as Linear Operators, 477
Sheffer Sequences, 480
Examples of Sheffer Sequences, 488
Umbral Operators and Umbral Shifts, 490
Continuous Operators on the Umbral Algebra, 492
Operator Adjoints, 493
Umbral Operators and Automorphisms
of the Umbral Algebra, 494
Umbral Shifts and Derivations of the Umbral Algebra, 499
The Transfer Formulas, 504
A Final Remark, 505
Exercises, 506
References, 507
Index of Symbols, 513
Index, 515