Publications

This is our catalog of publications authored by IBM researchers, in collaboration with the global research community. It’s an ever-growing body of work that shows why IBM is one of the most important contributors to modern computing.

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39 results for Alan J. Hoffman

Gersgorin variations II: On themes of Fan and Gudkov
- - Alan J. Hoffman
- 2006
- Advances in Computational Mathematics
On the singularity of matrices
- - Don Coppersmith
  - Alan J. Hoffman
- 2005
- Linear Algebra and Its Applications
On greedy algorithms, partially ordered sets, and submodular functions
- - B.L. Dietrich
  - A.J. Hoffman
- 2003
- IBM J. Res. Dev
On the submodular matrix representation of a digraph
- - Arlette Gaillard
  - Heinz Groeflin
  - et al.
- 2002
- Theoretical Computer Science
On a game in directed graphs
- - Alan J. Hoffman
  - Kate Jenkins
  - et al.
- 2002
- Information Processing Letters
The edge versus path incidence matrix of series-parallel graphs and greedy packing
- - Alan J. Hoffman
  - Baruch Schieber
- 2001
- Discrete Applied Mathematics
On a problem of Zaks
- - Alan J. Hoffman
- 2001
- J. Comb. Theory Ser. A
Gersgorin variations I: On a theme of Pupkov and Solov'ev
- - Alan J. Hoffman
- 2000
- Linear Algebra and Its Applications
Inequalities of Rayleigh quotients and bounds on the spectral radius of nonnegative symmetric matrices
- - Don Coppersmith
  - Alan J. Hoffman
  - et al.
- 1997
- Linear Algebra and Its Applications
Variations on a theorem of Ryser
- - Dasong Cao
  - V. Chvátal
  - et al.
- 1997
- Linear Algebra and Its Applications