Document Type
Article - preprint
Department
Mathematics (Pomona)
Publication Date
2009
Keywords
Foguel operator
Abstract
We develop a method for calculating the norm and the spectrum of the modulus of a Foguel operator. In many cases, the norm can be computed exactly. In others, sharp upper bounds are obtained. In particular, we observe several connections between Foguel operators and the Golden Ratio.
Rights Information
© 2009 Indiana University Mathematics Journal
Terms of Use & License Information
Recommended Citation
Garcia, Stephan Ramon, "The Norm and Modulus of a Foguel Operator" (2009). Pomona Faculty Publications and Research. 248.
https://scholarship.claremont.edu/pomona_fac_pub/248
Comments
Pre-print from http://arxiv.org/abs/0908.0479
Final publication can be found at:
Garcia, S.R., The norm and modulus of a Foguel operator, Indiana Univ. Math. J., 58 (2009), No. 5, 2305–2316. MR2583501 (2010k:47025). http://www.iumj.indiana.edu/oai/2009/58/3735/3735.xml