Skip to Main Content

Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

A new characterization of gaps between two subspaces
HTML articles powered by AMS MathViewer

by Hong-Ke Du and Chun-Yuan Deng PDF
Proc. Amer. Math. Soc. 133 (2005), 3065-3070 Request permission

Abstract:

In this note, a new characterization of gaps between two subspaces of a Hilbert space is established.
References
  • H. Du and C. Deng, Common complements of two subspaces and an answer of Groß’s question, Preprint.
  • B. P. Duggal, Subspace gaps and range-kernel orthogonality of an elementary operator, Linear Algebra Appl. 383 (2004), 93–106. MR 2073895, DOI 10.1016/j.laa.2003.11.006
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 46C07, 46C05
  • Retrieve articles in all journals with MSC (2000): 46C07, 46C05
Additional Information
  • Hong-Ke Du
  • Affiliation: College of Mathematics and Information Science, Shaanxi Normal University, Xi’an 710062, People’s Republic of China
  • Email: hkdu@snnu.edu.cn
  • Chun-Yuan Deng
  • Affiliation: College of Mathematics and Information Science, Shaanxi Normal University, Xi’an 710062, People’s Republic of China
  • Email: cy-deng@263.net
  • Received by editor(s): March 12, 2004
  • Received by editor(s) in revised form: June 3, 2004
  • Published electronically: April 20, 2005
  • Additional Notes: This research was partially supported by the National Natural Science Foundation of China (19771056).
  • Communicated by: Joseph A. Ball
  • © Copyright 2005 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Proc. Amer. Math. Soc. 133 (2005), 3065-3070
  • MSC (2000): Primary 46C07, 46C05
  • DOI: https://doi.org/10.1090/S0002-9939-05-07849-4
  • MathSciNet review: 2159786