Abstract
In this chapter we introduce the comparative index as a main mathematical tool for the results in the subsequent chapters of this book.
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Došlý, O., Elyseeva, J., Hilscher, R.Š. (2019). Comparative Index Theory. In: Symplectic Difference Systems: Oscillation and Spectral Theory. Pathways in Mathematics. Birkhäuser, Cham. https://doi.org/10.1007/978-3-030-19373-7_3
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