Johnson, Charles R.

1. The Graphs for which the Maximum Multiplicity of an Eigenvalue is Two
   2007/01/20 by Charles R. Johnson, Raphael Loewy, Johnson, Charles R. +3 · 2 citations
   Computer Science · Mathematics · #05C50 #15A57 #Advanced Graph Theory Research #Combinatorics (math.CO) #FOS: Mathematics #Graph theory and applications #Interconnection Networks and Systems
2. Bounded Ratios of Products of Principal Minors of Positive Definite Matrices
   2008/06/16 by H. Tracy Hall, Hall, H. Tracy, Charles R. Johnson +1 · 1 citation
   Computer Science · Decision Sciences · Physics and Astronomy · #05B35 #15A15 #15A45 #15A48 #Advanced Mathematical Theories and Applications #Combinatorics (math.CO) #FOS: Mathematics #Matrix Theory and Algorithms #Metric Geometry (math.MG) #Multi-Criteria Decision Making #Rings and Algebras (math.RA)
3. Nonpositive Eigenvalues of the Adjacency Matrix and Lower Bounds for\n Laplacian Eigenvalues
   2011/08/24 by Zachary Charles, Charles, Zachary B., Miriam Farber +5 · 1 citation
   Computer Science · Engineering · Mathematics · #Advanced Graph Theory Research #Combinatorics (math.CO) #FOS: Mathematics #Graph theory and applications #Limits and Structures in Graph Theory #graph theory and CDMA systems
4. The NIEP
   2017/03/31 by Johnson, Charles R., Marijuán, Carlos, Paparella, Pietro +1 · 1 citation
   #15A18 #15A29 #15A42 #FOS: Mathematics #Spectral Theory (math.SP)