1 Introduction ................................................. 5
2 Evolutionary Equations ....................................... 8
2.1 The Time-derivative and Linear Material Laws ............ 6
2.2 Well-posedness and Causality of Evolutionary
Equations ............................................... 8
3 Integro-Differential Equations ............................... 9
3.1 Hyperbolic-type equations .............................. 11
3.2 Parabolic-type Equations ............................... 19
4 Application to Visco-Elasticity ............................. 21
5 Conclusion .................................................. 24
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