
Publications

Publications in refereed journals
- C. Rainwater, J. Geunes, H.E. Romeijn. The Generalized Assignment Problem with flexible jobs. Forthcoming in Discrete Applied Mathematics.
- D.M. Aleman, H.E. Romeijn, J.F. Dempsey. A response surface approach to beam orientation optimization in intensity modulated radiation therapy treatment planning. Forthcoming in INFORMS Journal on Computing.
- D.M. Aleman, A. Kumar, R.K. Ahuja, H.E. Romeijn, J.F. Dempsey. Neighborhood search approaches to beam orientation optimization in Intensity Modulated Radiation Therapy treatment planning. Forthcoming in Journal of Global Optimization.
- T. Bortfeld, D. Craft, J.F. Dempsey, T. Halabi, H.E. Romeijn. Evaluating target cold spots by use of tail EUDs. Forthcoming in International Journal of Radiation Oncology Biology Physics.
- T.C. Sharkey, H.E. Romeijn. Simplex-inspired algorithms for solving a class of convex programming problems. Forthcoming in Optimization Letters. Abstract.
- J. Geunes, Y. Merzifonluoğlu, H.E. Romeijn. Capacitated procurement planning with price-sensitive demand and general concave revenue functions. Forthcoming in European Journal of Operational Research. Abstract.
- I.S. Bakal, J. Geunes, H.E. Romeijn. Market selection and inventory decisions under price-sensitive demand. Forthcoming in Journal of Global Optimization. Abstract.
- T.C. Sharkey, H.E. Romeijn. A simplex algorithm for minimum-cost network-flow problems in infinite networks. Forthcoming in Networks. Abstract.
- K. Taaffe, J. Geunes, H.E. Romeijn. Target market selection with demand uncertainty: the selective newsvendor problem. European Journal of Operational Research 189:3 (2008), 987-1003. Abstract.
- H.S. Li, H.E. Romeijn, C. Fox, J.R. Palta, J.F. Dempsey. A computational implementation and comparison of IMPT treatment planning algorithms. Medical Physics 35:3 (2008), 1103-1112.
- G.J. Burke, J. Geunes, H.E. Romeijn, A.J. Vakharia. Allocating procurement to capacitated suppliers with concave quantity discounts. Operations Research Letters 36:1 (2008), 103-109. Abstract.
- C. Men, H.E. Romeijn, Z.C. Taşkın, J.F. Dempsey. An exact approach to direct aperture optimization in IMRT treatment planning. Physics in Medicine and Biology 52:24 (2007), 7333-7352. Abstract.
- F.Z. Sargut, H.E. Romeijn. Capacitated production and subcontracting in a serial supply chain. IIE Transactions 39:11 (2007), 1031-1043. Abstract.
- G. Yamout, K. Hatfield, H.E. Romeijn. Comparison of new Conditional Value-at-Risk based risk management models for optimal allocation of uncertain water supplies. Water Resources Research 43:7 (2007), W07430. Abstract.
- F.Z. Sargut, H.E. Romeijn. Lot-sizing with nonstationary cumulative capacities. Operations Research Letters 35:4 (2007), 549-557. Abstract.
- Y. Merzifonluoğlu, J. Geunes, H.E. Romeijn. Integrated capacity, demand, and production planning with subcontracting and overtime options. Naval Research Logistics 54:4 (2007), 433-447. Abstract.
- R.K. Ahuja, W. Huang, H.E. Romeijn, D. Romero Morales. A heuristic approach to the
multi-period single-sourcing problem with production and inventory capacities and perishability constraints. INFORMS Journal on Computing 19:1 (2007), 14-26. Abstract.
- H.E. Romeijn, J. Geunes, K. Taaffe. On a nonseparable convex maximization problem with continuous knapsack constraints. Operations Research Letters 35:2 (2007), 172-180. Abstract.
- S.D. Ekşioğlu, B. Ekşioğlu, H.E. Romeijn. A Lagrangean heuristic for integrated production and transportation planning problems in a dynamic, multi-item, two-layer supply chain. IIE Transactions 39:2 (2007), 191-201. Abstract.
- H.E. Romeijn, J. Shu, C.P. Teo. Designing two-echelon supply networks. European Journal of Operational Research 178:2 (2007), 449-462. Abstract.
- F.Z. Sargut, H.E. Romeijn. Capacitated requirements planning with pricing flexibility and general cost and revenue functions. Journal of Industrial and Management Optimization 3:1 (2007), 87-98. Abstract.
- J. Choi, S.X. Bai, J. Geunes, H.E. Romeijn. Manufacturing delivery performance for supply chain management. Mathematical and Computer Modeling 45 (2007), 11-20.
- H.E. Romeijn, D. Sharma, R.L. Smith.
Extreme point characterizations for infinite network flow problems.
Networks 48:4 (2006), 209-222. Abstract.
- S.D. Ekşioğlu, H.E. Romeijn, P.M. Pardalos.
Cross-facility management of production and transportation planning problem.
Computers & Operations Research 33:11 (2006), 3231-3251. Abstract.
- H.S. Li, H.E. Romeijn, J.F. Dempsey.
A Fourier analysis on the optimal grid size for discrete proton beam dose calculation. Medical Physics 33:9 (2006),
3508-3518. Abstract.
- M.A. Odijk,
H.E. Romeijn, H. van Maaren. Random generation of periodic event schedules
with an application to railway timetabling. Computers & Operations Research 33:8 (2006), 2283-2299.
Abstract.
- C. Fox, H.E. Romeijn, J.F. Dempsey.
Fast voxel and polygon ray-tracing algorithms for IMRT treatment planning. Medical Physics 33:5 (2006), 1364-1371.
Abstract.
- J. Geunes, H.E.
Romeijn, K. Taaffe. Requirements planning with dynamic pricing and order
selection flexibility. Operations Research 54:2 (2006), 394-401.
Abstract.
- H.E. Romeijn,
R.K. Ahuja, J.F. Dempsey, A. Kumar. A new linear programming approach to radiation
therapy treatment planning problems. Operations Research 54:2 (2006), 201-216. Abstract.
- A. Alonso Ayuso, L.F. Escudero,
C. Pizarro, H.E. Romeijn, D. Romero Morales.
On solving the multi-period single-sourcing problem
under uncertainty. Computational Management Science 3 (2006), 29-53. Abstract.
- J. Choi, J. Cao, H.E.
Romeijn, J. Geunes, S.X. Bai. A stochastic multi-item inventory problem
with unequal replenishment intervals and limited warehouse capacity. IIE Transactions 37:12 (2005), 1129-1141.
Abstract.
- S. van Hoesel,
H.E. Romeijn, D. Romero Morales, A.P.M. Wagelmans. Integrated lot-sizing in serial supply chains with
production capacities. Management Science 51:11 (2005), 1706-1719. Abstract.
- S. Sindhuchao, H.E. Romeijn, E. Akçalı, R. Boondiskulchok.
An integrated inventory-routing system for multi-item joint replenishment with limited vehicle capacity. Journal of Global Optimization 32:1 (2005), 93-118. Abstract.
- D.L.J. Alexander, D.W. Bulger, J.M. Calvin,
H.E. Romeijn, R.L. Sherriff. Approximate Implementations of Pure Random Search in the presence of noise. Journal of Global Optimization 31:4 (2005), 601-612. Abstract.
- D.W. Bulger, H.E. Romeijn.
Optimizing noisy objective functions.
Journal of Global Optimization 31:4 (2005), 599-600.
Abstract.
- H.E. Romeijn,
R.K. Ahuja, J.F. Dempsey, A. Kumar. A column generation approach to radiation
therapy treatment planning using aperture modulation. SIAM Journal on Optimization 15:3 (2005), 838-862. Abstract.
- W. Huang, H.E. Romeijn, J. Geunes.
The Continuous-time Single-Sourcing Problem with capacity expansion opportunities. Naval Research Logistics 52:3 (2005), 193-211. Abstract.
- J.F. Dempsey, H.E. Romeijn, J.G. Li, D.A. Low, J.R. Palta.
A Fourier analysis of the dose grid resolution required for accurate IMRT fluence map optimization.
Medical Physics 32:2 (2005), 380-388. Abstract.
- H.E. Romeijn, J.F. Dempsey, J.G. Li.
A unifying framework for multi-criteria fluence map optimization models.
Physics in Medicine and Biology 49:10 (2004), 1991-2013. Abstract.
- H.E. Romeijn,
D. Romero Morales. Asymptotic analysis of a greedy heuristic for the
multi-period single-sourcing problem: the acyclic case. Journal of Heuristics 10:1 (2004), 5-35. Abstract.
- J. Geunes, Z.-J. Shen, H.E.
Romeijn. Economic ordering decisions with market selection flexibility.
Naval Research Logistics 51:1 (2004), 117-136. Abstract.
- R. Freling, H.E. Romeijn, D. Romero Morales, A.P.M. Wagelmans. A Branch and Price algorithm for the
multi-period single-sourcing problem. Operations Research 51:6 (2003), 922-939. Abstract.
- H.E. Romeijn,
R.K. Ahuja, J.F. Dempsey, A. Kumar, J.G. Li. A
novel linear programming approach to fluence map optimization for
intensity modulated radiation therapy treatment planning. Physics
in Medicine and Biology 48:21 (2003), 3521-3542. Abstract.
- H.E. Romeijn,
D. Romero Morales. An asymptotically optimal greedy heuristic for the
multi-period single-sourcing problem: the cyclic case. Naval Research
Logistics 50:5 (2003), 412-437. Abstract.
- H.E. Romeijn,
D. Romero Morales. Generating experimental data for the Generalized
Assignment Problem. Operations Research 49:6 (2001), 866-878. Abstract.
- E. Bogentoft, H.E. Romeijn, S. Uryasev.
Asset/Liability Management for pension funds using CVaR
constraints. Journal of Risk Finance 3:3 (2001), 57-71. Abstract.
- H.E. Romeijn,
D. Romero Morales. A probabilistic analysis of the multi-period
single-sourcing problem. Discrete Applied Mathematics 112:1-3
(2001), 301-328. Abstract.
- D.J. Reaume, H.E. Romeijn, R.L. Smith. Implementing Pure
Adaptive Search for global optimization using Markov chain sampling. Journal
of Global Optimization 20:1 (2001), 33-47. Abstract.
- P.M. Pardalos, H.E. Romeijn, H. Tuy.
Recent developments and trends in global optimization. Journal of
Computational and Applied Mathematics 124 (2000), 209-228. Abstract.
- H.E. Romeijn,
N. Piersma. A probabilistic feasibility and
value analysis of the Generalized Assignment Problem. Journal of
Combinatorial Optimization 4:3 (2000), 325-355. Abstract.
- H.E. Romeijn,
D. Romero Morales. A class of greedy algorithms for the Generalized
Assignment Problem. Discrete Applied Mathematics 103:1-3 (2000),
209-235. Abstract.
- H.E. Romeijn,
Z.B. Zabinsky, D.L. Graesser,
S. Neogi. A new reflection generator for
simulated annealing in mixed integer/continuous global optimization. Journal
of Optimization Theory and Applications 101:2 (1999), 403-427. Abstract.
- H.E. Romeijn,
R.L. Smith. Parallel algorithms for solving aggregated shortest path
problems. Computers & Operations Research 26:10-11 (1999),
941-953. Abstract.
- Y. Chou, H.E.
Romeijn, R.L. Smith. Approximating shortest paths in large-scale networks
with an application to Intelligent Transportation Systems. INFORMS
Journal on Computing 10:2 (1998), 163-179. Abstract.
- W.P. Cross,
H.E. Romeijn, R.L. Smith. Approximating extreme points in infinite
dimensional convex sets. Mathematics of Operations Research 23:2
(1998), 433-442. Abstract.
- H.E. Romeijn,
R.L. Smith. Shadow prices in infinite dimensional linear programming. Mathematics
of Operations Research 23:1 (1998), 239-256. Abstract.
- H.E. Romeijn. A
general framework for approximate sampling with an application to
generating points on the boundary of bounded convex regions. Statistica Neerlandica
52:1 (1998), 42-59. Abstract.
- L.G. Kroon, H.E. Romeijn, P.J. Zwaneveld.
Routing trains through railway stations: complexity issues. European
Journal of Operational Research 98:3 (1997), 485-498. Abstract.
- P.J. Zwaneveld, L.G. Kroon, H.E.
Romeijn, M. Salomon, S. Dauzère-Pérès, C.P.M.
van Hoesel, H.W. Ambergen.
Routing trains through railway stations: model formulation and algorithms.
Transportation Science 30:3 (1996), 181-194. Abstract.
- N. Piersma, H.E. Romeijn. Parallel machine scheduling:
a probabilistic analysis. Naval Research Logistics 43:6
(1996), 897-916. Abstract.
- H.E. Romeijn,
R.L. Smith. Simulated annealing and adaptive search in global
optimization. Probability in the Engineering and Informational Sciences
8 (1994), 571-590. Abstract.
- H.E. Romeijn,
R.L. Smith. Simulated annealing for constrained global optimization. Journal
of Global Optimization 5 (1994), 101-126. Abstract.
- Z.B. Zabinsky, R.L. Smith, J.F. McDonald, H.E. Romeijn,
D.E. Kaufman. Improving Hit-and-Run for global optimization. Journal of
Global Optimization 3 (1993), 171-192. Abstract.
- C.J.P. Bélisle, H.E. Romeijn, R.L. Smith. Hit-and-Run
algorithms for generating multivariate distributions. Mathematics of
Operations Research 18:2 (1993), 255-266. Abstract.
- H.E. Romeijn,
R.L. Smith, J.C. Bean. Duality in infinite dimensional linear programming.
Mathematical Programming 53 (1992), 79-97. Abstract.
- C.G.E. Boender, R.J. Caron, J.F. McDonald, A.H.G. Rinnooy Kan, H.E. Romeijn, R.L. Smith, J. Telgen, A.C.F. Vorst.
Shake-and-Bake algorithms for generating uniform points on the boundary of
bounded polyhedra. Operations Research 39:6
(1991), 945-954. Abstract.
- C.G.E. Boender, H.E. Romeijn. The multidimensional Markov
chain with prespecified asymptotic means and
(auto-)covariances. Communications
in Statistics: Theory and Methods 20 (1991), 345-359. Abstract.
- H.E. Romeijn.
Shake-and-Bake algorithms for the identification of nonredundant
linear inequalities. Statistica Neerlandica 45 (1991), 31-50. Abstract.
Refereed chapters in books
- D.M. Aleman, H.E. Romeijn, and J.F. Dempsey.
Beam orientation optimization methods in Intensity Modulated Radiation Therapy treatment planning. In: G. Lim and E.K. Lee, editors, Optimization in Medicine and Biology (2008).
- J. Geunes, Y. Merzifonluoğlu, H.E. Romeijn, K. Taaffe.
Demand selection and assignment problems in supply chain planning. In: J.C. Smith, editor, TutORials in Operations
Research, INFORMS (2005), 124-141.
- D. Romero
Morales, H.E. Romeijn. The Generalized Assignment Problem and extensions.
In: D.Z. Du, P.M. Pardalos, editors, Handbook of Combinatorial Optimization,
Supplement Volume B (2005) 259-311. Springer.
- H.E. Romeijn,
D. Romero Morales. A greedy heuristic for a three-level multi-period
single-sourcing problem. In: A. Klose, M.G. Speranza, L.N. Van Wassenhove,
editors, Quantitative Approaches to Distribution Logistics and Supply
Chain Management (2002) 191-214. Springer-Verlag,
Berlin, Germany. Abstract.
- P. Chaovalitwongse, H.E. Romeijn, P.M. Pardalos. A scenario-based heuristic for a capacitated
transportation-inventory problem with stochastic demands. In: E. Kontoghiorghes, B. Rustem,
S. Siokos, editors, Computational Methods in
Decision-Making, Economics and Finance (2002), 231-248. Kluwer
Academic Publishers, Dordrecht, The Netherlands.
Abstract.
- S.D. Ekşioğlu, P.M. Pardalos,
H.E. Romeijn. A dynamic slope scaling procedure for the fixed-charge cost multi-commodity
network flow problem. In: P.M. Pardalos, V.K. Tsitsiringos, editors, Financial Engineering,
e-Commerce and Supply Chain (2002), 247-270. Kluwer
Academic Publishers, Dordrecht, The Netherlands.
- H.E. Romeijn.
Random search methods. In: C.A. Floudas, P.M. Pardalos,
editors, Encyclopedia of Optimization, Volume V (2001), 1-6. Kluwer Academic Publishers, Dordrecht, The Netherlands.
- D. Romero
Morales, J.A.E.E. van Nunen, H.E. Romeijn.
Logistics network design evaluation in a dynamic environment. In: M.G. Speranza, P. Stähly,
editors, New Trends in Distribution Logistics (1999), 113-135. Springer-Verlag, Berlin, Germany. Abstract.
- H.E. Romeijn.
Global optimization: from Pure Adaptive Search to simulated annealing. In:
W.K. Klein Haneveld, O.J. Vrieze,
L.C.M. Kallenberg, editors, Ten years LNMB -
Ph.D. research and graduate courses of the Dutch Network of Operations
Research (1997), 341-349. CWI Tract, Amsterdam, The Netherlands.
- C.G.E. Boender, H.E. Romeijn. Stochastic methods. In: R.
Horst, P.M. Pardalos, editors, Handbook of
Global Optimization (1995), 829-869. Kluwer
Academic Publishers, Dordrecht, The Netherlands. Abstract.
Publications in refereed proceedings
- S.B. Jiang, H.E. Romeijn, C. Men, N. Tyagi, J. Lewis, L. Tang, D.J. Choi, A. Majumdar, T. Pawlicki, C. Yashar, A.J. Mundt. Towards on-line adaptive radiotherapy for cervical cancer. Forthcoming in: Y. Censor, M. Jiang, A.K. Louis, editors, Proceedings of the Interdisciplinary Workshop on Mathematical Methods in Biomedical Imaging and Intensity-Modulated Radation Therapy (IMRT), Centro di Ricerca Matematica Ennio De Giorgi, Pisa, Italy (2007).
- T.C. Sharkey, H.E. Romeijn, J. Geunes.
Analysis of a class of nonlinear knapsack problems. In: Proceedings
of the IE Research Conference, Orlando, Florida (2006).
- D.M. Aleman, H.E. Romeijn, J.F. Dempsey.
A response surface-based approach to beam orientation optimization in IMRT treatment planning. In: Proceedings
of the IE Research Conference, Orlando, Florida (2006).
- D. Tirumalasetty, K. Taaffe, H.E. Romeijn.
All-or-nothing order selection with piecewise-linear cost functions. In: Proceedings
of the IE Research Conference, Orlando, Florida (2006).
- R. Levi, J. Geunes,
H.E. Romeijn, D.B. Shmoys. Inventory and facility location models with market selection.
In: M. Jünger and V. Kaibel, editors, Integer Programming and Combinatorial Optimization,
Proceedings of the 11th International IPCO Conference, Berlin, Germany, June 8-10, 2005.
Lecture Notes in Computer Science, vol. 3509 (2005), 111-124. Springer, Germany.
- K. Taaffe, J. Geunes, H.E. Romeijn.
Capacity acquisition and stochastic customer demand assignment in a network of facilities. In: Proceedings
of the IE Research Conference, Atlanta, Georgia (2005).
- K. Taaffe, H.E. Romeijn.
Selective newsvendor problems with all-or-nothing order requests. In: Proceedings
of the IE Research Conference, Atlanta, Georgia (2005).
- J. Cao, H.E. Romeijn.
Joint pricing and inventory control in a Markov modulated demand environment. In: Proceedings
of the IE Research Conference, Atlanta, Georgia (2005).
- W. Huang, J. Geunes, H.E. Romeijn.
Multi-period production planning with product specification flexibility. In: Proceedings
of the IE Research Conference, Houston, Texas (2004).
- K. Taaffe, J. Geunes, H.E. Romeijn.
Market entrance and product ordering decisions under demand uncertainty. In: Proceedings
of the IE Research Conference, Houston, Texas (2004).
- H.E. Romeijn, R.K. Ahuja, J.F. Dempsey, A. Kumar.
A rigorous approach to aperture modulation in IMRT treatment planning. In: B.Y. Yi, S.D. Ahn, E.K. Choi, S.W. Ha, editors, Proceedings of the 14th International Conference on the Use of Computers in Radiation Therapy (ICCR), Seoul, South Korea (2004), 169-173.
- J.F. Dempsey, J.G. Li, H.E. Romeijn, D.A. Low, J.R. Palta.
A Fourier analysis of discretization errors in fluence map optimization for IMRT. In: B.Y. Yi, S.D. Ahn, E.K. Choi, S.W. Ha, editors, Proceedings of the 14th International Conference on the Use of Computers in Radiation Therapy (ICCR), Seoul, South Korea (2004), 240-243.
- H.E. Romeijn, J.F. Dempsey, J.G. Li.
On the equivalence of multi-criteria fluence map optimization problems. In: B.Y. Yi, S.D. Ahn, E.K. Choi, S.W. Ha, editors, Proceedings of the 14th International Conference on the Use of Computers in Radiation Therapy (ICCR), Seoul, South Korea (2004), 714-717.
- J. Geunes, H.E. Romeijn, K. Taaffe.
Models for integrated production planning and order selection. In: Proceedings
of the IE Research Conference, Orlando, Florida (2002).
Books
- P.M. Pardalos, H.E. Romeijn, editors. Handbook of Optimization in Medicine. Springer, New York, New York. Forthcoming.
- J. Geunes, E. Akçalı, P.M. Pardalos,
H.E. Romeijn, Z.J. Shen, editors. Applications of Supply Chain Management and e-Commerce Research (2005). Springer, New York, New York.
- P.M. Pardalos, H.E. Romeijn, editors. Handbook of Global
Optimization volume 2 (2002). Kluwer
Academic Publishers, Dordrecht, The Netherlands.
- J. Geunes, P.M. Pardalos, H.E.
Romeijn, editors. Supply
Chain Management: Models, Applications, and Research Directions
(2002). Kluwer Academic Publishers, Dordrecht, The Netherlands.
- H.E. Romeijn. Global
Optimization by Random Walk Sampling Methods (1992). Thesis
Publishers, Amsterdam, The Netherlands.
Published abstracts
- C. Men, H.E. Romeijn, and J.F. Dempsey. Direct Aperture Optimization in IMRT treatment planning. Medical Physics 34:6, 2437. Oral presentation (C. Men) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Minneapolis, July 2007.
- J.F. Dempsey, B. Dionne, J. Fitzsimmons, A. Haghigat, J.G. Li, D. Low, S. Mutic, J.R. Palta, H.E. Romeijn, G. Sjoden. A real-time MRI guided external radiotherapy delivery system. Medical Physics
33:6, 2254. Oral presentation (J.F. Dempsey) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Orlando, July 2006.
- D. Aleman, H.E. Romeijn, and J.F. Dempsey. A response surface-based approach to beam
orientation optimization in IMRT. Medical Physics
33:6, 2206. Moderated poster presentation (D. Aleman) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Orlando, July 2006.
- D. Aleman, H.E. Romeijn, and J.F. Dempsey. A novel neighborhood for local search and simulated annealing methods in beam orientation optimization in IMRT. Medical Physics
33:6, 2192. Poster presentation (D. Aleman) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Orlando, July 2006.
- H.Li, C. Fox, H.E. Romeijn, and J.F. Dempsey. Implementation and comparison of
several proton IMRT algorithms. Medical Physics
33:6, 2192. Oral presentation (H. Li) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Orlando, July 2006.
- C. Fox, B. Lynch, D. Aleman, H.Li, H.E. Romeijn, and J.F. Dempsey. A scientific comparison
of inverse treatment plan quality using a convex non-linear programming model as a function of beam quality and beam number. Medical Physics
33:6, 2192. Oral presentation (C. Fox) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Orlando, July 2006.
- C. Fox, H. Li, H.E. Romeijn, and J.F. Dempsey. Fast efficient global fluence map optimization
using a parallelized objective function for IMRT treatment planning. Medical Physics 33:6, 2103. Poster presentation (C. Fox) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Orlando, July 2006.
- H. Li, C. Fox, H.E. Romeijn, and J.F. Dempsey. 3D Intensity Modulated Proton Therapy with minimal beam
number. Medical Physics 33:6, 2051. Poster presentation (H. Li) at the American Association for Physicists in Medicine (AAPM)
annual meeting, Orlando, July 2006.
- H.E. Romeijn and J.F. Dempsey. On the relationship between risk management and IMRT treatment plan optimization. Medical Physics 32:6, 1976. Poster presentation (H.E. Romeijn) at the American Association for Physicists in Medicine (AAPM) annual meeting, Seattle, July 2005.
- K. Cheong, T. Suh, H.E. Romeijn, J.G. Li, J.F. Dempsey. Fast nonlinear optimization with simple bounds for IMRT planning. Medical Physics 32:6, 1975. Poster presentation (K. Cheong) at the American Association for Physicists in Medicine (AAPM) annual meeting, Seattle, July 2005.
- J.F. Dempsey, H.E. Romeijn, J.G. Li, D.A. Low, J.R. Palta. Analysis of errors due to limited dose-grid resolution in fluence map optimization for IMRT. Medical Physics 31:6, 1863. Poster presentation (J.F. Dempsey) at the American Association for Physicists in Medicine (AAPM) annual meeting, Pittsburgh, July 2004.
- H.E. Romeijn, J.F. Dempsey, J.G. Li. On the equivalence of multi-criteria fluence map optimization problems. Medical Physics 31:6, 1777. Oral presentation (H.E. Romeijn) at the American Association for Physicists in Medicine (AAPM) annual meeting, Pittsburgh, July 2004.
- J.F. Dempsey, H.E. Romeijn, E. Lögdberg. Fast global solutions to fluence map optimization problems for adaptive radiotherapy. Medical Physics 31:6, 1777. Oral presentation (J.F. Dempsey) at the American Association for Physicists in Medicine (AAPM) annual meeting, Pittsburgh, July 2004.
- H.E. Romeijn, R.K. Ahuja, J.F. Dempsey, A. Kumar. An exact approach to aperture modulation in IMRT treatment planning. Medical Physics 31:6, 1776. Oral presentation (H.E. Romeijn) at the American Association for Physicists in Medicine (AAPM) annual meeting, Pittsburgh, July 2004.
- D. Aleman, H.E. Romeijn, J.F. Dempsey. A response surface based approach for integrating beam orientation optimization with fluence map optimization in IMRT. Medical Physics 31:6, 1776. Oral presentation (D. Aleman) at the American Association for Physicists in Medicine (AAPM) annual meeting, Pittsburgh, July 2004.
- J.F. Dempsey, H.E. Romeijn, R.K. Ahuja, A. Kumar, J.G. Li.
A novel linear programming approach to fluence map optimization for intensity modulated radiation therapy treatment planning. Radiotherapy & Oncology 68:Suppl. 1 (2003), S68-S69. Oral presentation (J.F. Dempsey) at the ESTRO Meeting on Physics and Radiation Technology, Geneva, September 2003.
- J.F. Dempsey, R.K. Ahuja, S. Kamath, A. Kumar, J.G. Li, J.R. Palta, H.E. Romeijn, S. Ranka, S. Sahni.
The leaf sequencer: an underestimated problem? Radiotherapy & Oncology 68:Suppl. 1 (2003), S3. Oral presentation (J.F. Dempsey) at the ESTRO Workshop "Optimisation of IMRT", Geneva, September 2003.
- J.F. Dempsey, A. Kumar, R.K. Ahuja, J.G. Li, H.E. Romeijn.
An automated linear programming based treatment planning system for head-and-neck IMRT.
Medical Physics 30:6 (2003), 1491. Poster discussion presentation (J.F. Dempsey) at the American Association for Physicists in Medicine (AAPM) annual meeting, San Diego, August 2003.
- A. Kumar, R.K. Ahuja, H.E. Romeijn, J.G. Li, J.F. Dempsey.
A linear programming based approach for integrating coplanar equi-spaced beam orientation optimization with fluence map optimization in IMRT.
Medical Physics 30:6 (2003), 1341. Poster discussion presentation (A. Kumar) at the American Association for Physicists in Medicine (AAPM) annual meeting, San Diego, August 2003.
- H.E. Romeijn, R.K. Ahuja, J.F. Dempsey, A. Kumar, J.G. Li.
A novel linear programming model for fluence map optimization in IMRT treatment planning.
Medical Physics 30:6 (2003), 1334. Poster discussion presentation (H.E. Romeijn) at the American Association for Physicists in Medicine (AAPM) annual meeting, San Diego, August 2003.