Researcher profile · Semantic Scholar

S. Billups

h-index: 16
Works: 36
Citations: 1,623

Most-cited papers

Algorithm 652: HOMPACK: a suite of codes for globally convergent homotopy algorithms
L. Watson, S. Billups, A. Morgan
1987TOMS410 citations Open access
Semantic Scholar
Complementarity problems
S. Billups, K. Murty
2000309 citations Open access
Semantic Scholar
A Comparison of Large Scale Mixed Complementarity Problem Solvers
S. Billups, S. Dirkse, M. Ferris
1997Computational optimization and applications127 citations
Semantic Scholar
A Dynamic Model of Differential Human Capital and Criminal Activity
H. Mocan, S. Billups, Jody Overland
2005101 citations Open access
Semantic Scholar
Algorithms for complementarity problems and generalized equations
S. Billups
199697 citations
Semantic Scholar
HOMPACK: a suite of codes for globally convergent homotopy algorithms. Technical report No. 85-34
L. Watson, S. Billups, A. Morgan
198592 citations
Semantic Scholar
QPCOMP: A quadratic programming based solver for mixed complementarity problems
S. Billups, M. Ferris
1997Mathematical programming71 citations
Semantic Scholar
Stochastic derivative-free optimization using a trust region framework
Jeffrey Larson, S. Billups
2016Computational optimization and applications68 citations Open access
Semantic Scholar
A Comparison of Algorithms for Large Scale Mixed Complementarity Problems
S. Billups, S. Dirkse, M. Ferris
199568 citations
Semantic Scholar
Derivative-Free Optimization of Expensive Functions with Computational Error Using Weighted Regression
S. Billups, Jeffrey Larson, P. Graf
2013SIAM Journal on Optimization44 citations Open access
Semantic Scholar
ProxECAT: Proxy External Controls Association Test. A new case-control gene region association test using allele frequencies from public controls
A. Hendricks, S. Billups, H. Pike, I. Farooqi +4 more
2018bioRxiv33 citations Open access
Semantic Scholar
A Homotopy-Based Algorithm for Mixed Complementarity Problems
S. Billups
2002SIAM Journal on Optimization27 citations
Semantic Scholar
Reference manual for the CONTAIN 1. 1 code for containment severe accident analysis
K. E. Washington, K. Murata, R. G. Gido, F. Gelbard +5 more
199124 citations Open access
Semantic Scholar
Solving the canonical dual of box- and integer-constrained nonconvex quadratic programs via a deterministic direct search algorithm
D. Gao, L. Watson, D. Easterling, W. Thacker +1 more
2013Optim. Methods Softw.22 citations
Semantic Scholar
Identifying significant temporal variation in time course microarray data without replicates
S. Billups, M. Neville, Michael Rudolph, Weston W. Porter +1 more
2009BMC Bioinformatics16 citations Open access
Semantic Scholar
Probability-one homotopy maps for mixed complementarity problems
K. Ahuja, L. Watson, S. Billups
2008Computational optimization and applications16 citations Open access
Semantic Scholar
An iterative method for generalized set-valued nonlinear mixed quasi-variational inequalities
Eman Al-Shemas, S. Billups
200416 citations Open access
Semantic Scholar
A Probability-One Homotopy Algorithm for Nonsmooth Equations and Mixed Complementarity Problems
S. Billups, L. Watson
2002SIAM Journal on Optimization16 citations
Semantic Scholar
Improving the robustness of descent-based methods for semismooth equations using proximal perturbations
S. Billups
2000Mathematical programming13 citations
Semantic Scholar
Convergence of an Infeasible Interior-Point Algorithm from Arbitrary Positive Starting Points
S. Billups, M. Ferris
1996SIAM Journal on Optimization11 citations
Semantic Scholar
Nonmonotone Path Following Methods for Nonsmooth Equations and Complementarity Problems
S. Billups, Adam Speight, L. Watson
20017 citations
Semantic Scholar
Minimum-Support Solutions for Radiotherapy Planning
S. Billups, Janine M. Kennedy
2003Annals of Operations Research6 citations
Semantic Scholar
Solutions to Affine Generalized Equations Using Proximal Mappings
S. Billups, M. Ferris
1999Mathematics of Operations Research6 citations
Semantic Scholar
A Globally Convergent Probability-One Homotopy for Linear Programs with Linear Complementarity Constraints
L. Watson, S. Billups, John E. Mitchell, D. Easterling
2013SIAM Journal on Optimization5 citations
Semantic Scholar
Identification of Multivariate Outliers
Mark Werner, Karen Kafadar, S. Billups, C. Johns +1 more
20095 citations
Semantic Scholar
Improving the Robustness of Complementarity Solvers Using Proximal Perturbations
S. Billups
19965 citations
Semantic Scholar
Dynamic System Diversification for Securing Cloud-based IoT Subnetworks
Hussain M. J. Almohri, L.T. Watson, David Evans, S. Billups
2022ACM Transactions on Autonomous and Adaptive Systems4 citations
Semantic Scholar
Convergence of Infeasible Interior-Point Algorithms from Arbitrary Starting Points
S. Billups, M. Ferris
19933 citations
Semantic Scholar
MDTri: robust and efficient global mixed integer search of spaces of multiple ternary alloys
P. Graf, S. Billups
2017Computational optimization and applications2 citations
Semantic Scholar
A DYNAMIC MODEL OF DIFFERENTIAL HUMAN CAPITAL AND CRIMINAL ACTIVITY
H. Mocan, S. Billups
20031 citations
Semantic Scholar
FINAL REPORT OF THE UC DENVER MATHEMATICS CLINIC Electrical Box Placement and Wiring for Launch Vehicles
S. Billups, M. Jacobson
20090 citations
Semantic Scholar
Optimization in Medical Imaging
S. Billups
2009Encyclopedia of Optimization0 citations
Semantic Scholar
FINAL REPORT OF THE UCDHSC MATHEMATICS CLINIC Modeling Tissue Dynamics
S. Billups
20070 citations
Semantic Scholar
Third Annual Rocky Mountain Regional Bioinformatics Meeting
S. Billups
20050 citations
Semantic Scholar
Minimum--Support RTP Solutions
S. Billups, Janine M. Kennedy
20010 citations
Semantic Scholar
A shifted-barrier method for box-constrained linear complementarity problems
S. Billups, M. Ferris
19940 citations
Semantic Scholar

×2

P. Graf×2

K. Murty×1