Series-Parallel Duality in the Mathematics of Appraisal
Author(s) -
David Ellerman
Publication year - 2009
Publication title -
ssrn electronic journal
Language(s) - English
Resource type - Journals
ISSN - 1556-5068
DOI - 10.2139/ssrn.1340704
Subject(s) - duality (order theory) , mathematics , series (stratigraphy) , calculus (dental) , mathematics education , algebra over a field , mathematical economics , pure mathematics , geology , paleontology , medicine , dentistry
It has long been noticed that the basic functions in the mathematics of real estate appraisal and in financial arithmetic come in pairs where one function is the reciprocal of the other. For instance, the "payments to amortize a principal of one" is the reciprocal of the "principal amortized by payments of one." This paper shows that this phenomenon is an example of the series-parallel duality ordinarily studied in electrical circuit theory and combinatorial mathematics.
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