The spectra of nonnegative integer matrices via formal power series

Authors:
Ki Hang Kim, Nicholas S. Ormes and Fred W. Roush

Journal:
J. Amer. Math. Soc. **13** (2000), 773-806

MSC (1991):
Primary 15A18; Secondary 15A36, 58F03, 58F20

Published electronically:
June 21, 2000

MathSciNet review:
1775737

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Abstract | References | Similar Articles | Additional Information

Abstract: We characterize the possible nonzero spectra of primitive integer matrices (the integer case of Boyle and Handelman's Spectral Conjecture). Characterizations of nonzero spectra of nonnegative matrices over and follow from this result. For the proof of the main theorem we use polynomial matrices to reduce the problem of realizing a candidate spectrum to factoring the polynomial as a product where the 's are polynomials in satisfying some technical conditions and is a formal power series in . To obtain the factorization, we present a hierarchy of estimates on coefficients of power series of the form to ensure nonpositivity in nonzero degree terms.

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Additional Information

**Ki Hang Kim**

Affiliation:
Mathematics Research Group, Alabama State University, Montgomery, Alabama 36101-0271 and Korean Academy of Science and Technology

Email:
kkim@gmail.alasu.edu

**Nicholas S. Ormes**

Affiliation:
Department of Mathematics, C1200, University of Texas, Austin, Texas 78712

Address at time of publication:
Department of Mathematics, University of Connecticut, Storrs, Connecticut 06269-3009

Email:
ormes@math.utexas.edu

**Fred W. Roush**

Affiliation:
Mathematics Research Group, Alabama State University, Montgomery, Alabama 36101-0271

Email:
froush@gmail.alasu.edu

DOI:
https://doi.org/10.1090/S0894-0347-00-00342-8

Keywords:
Spectrum of nonnegative matrix,
zeta function of subshift of finite type

Received by editor(s):
August 19, 1998

Received by editor(s) in revised form:
February 1, 2000

Published electronically:
June 21, 2000

Article copyright:
© Copyright 2000
American Mathematical Society