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Sparse PCA with Multiple Components
- Ryan Cory-Wright
  Corresponding Author
  Ryan Cory-Wright
  [email protected]
  https://orcid.org/0000-0002-4485-0619
  Department of Analytics, Marketing and Operations, Imperial Business School, London SW7 2AZ, United Kingdom
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- Jean Pauphilet
  Jean Pauphilet
  [email protected]
  https://orcid.org/0000-0001-6352-0984
  Management Science and Operations, London Business School, London NW1 4SA, United Kingdom
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Published Online:June 25, 2026
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Abstract
Sparse PCA with Multiple ComponentsAs the dimension of data sets increases, analysts often rely on principal component analysis (PCA) to summarize data via a small number of informative principal components (PCs). Sparse PCA makes those directions easier ...
Combating Gerrymandering with Ranked Choice Voting: An Experimental Analysis of Multimember Districts in the United States
- Nikhil Garg
  Corresponding Author
  Nikhil Garg
  [email protected]
  https://orcid.org/0000-0002-1988-792X
  Cornell University, Ithaca, New York 14850; and Cornell Tech, New York, New York 10044
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- Wes Gurnee
  Wes Gurnee
  [email protected]
  https://orcid.org/0000-0002-0752-3934
  Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
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- David Rothschild
  David Rothschild
  [email protected]
  https://orcid.org/0000-0002-7792-1989
  Microsoft Research, New York, New York 10012
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- David B. Shmoys
  David B. Shmoys
  [email protected]
  https://orcid.org/0000-0003-3882-901X
  Cornell University, Ithaca, New York 14850
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Published Online:June 25, 2026
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Abstract
Blunting Gerrymandering with Multimember DistrictsHow much can election rules blunt the power of partisan mapmakers? In the Operations Research paper “Combating Gerrymandering with Ranked Choice Voting: An Experimental Analysis of Multimember Districts in ...
Online Selection with Uncertain Disruption
- Yihua Xu
  Corresponding Author
  Yihua Xu
  [email protected]
  https://orcid.org/0000-0003-1466-5110
  Department of Computational Applied Mathematics and Operations Research, Rice University, Houston, Texas 77005; and Ken Kennedy Institute, Rice University, Houston, Texas 77005
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- Süleyman Kerimov
  Süleyman Kerimov
  [email protected]
  https://orcid.org/0000-0003-3127-7523
  Ken Kennedy Institute, Rice University, Houston, Texas 77005; and Jones Graduate School of Business, Rice University, Houston, Texas 77005
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- Sebastian Perez-Salazar
  Sebastian Perez-Salazar
  [email protected]
  https://orcid.org/0000-0003-4534-7721
  Department of Computational Applied Mathematics and Operations Research, Rice University, Houston, Texas 77005; and Ken Kennedy Institute, Rice University, Houston, Texas 77005
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Published Online:June 22, 2026
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Abstract
Online Selection with Uncertain DisruptionMany digital and service platforms must decide whether to accept a current request or wait for a potentially better one. This trade-off becomes more challenging when serving a request may unexpectedly disrupt ...
Invariant Distributions in Nonlinear Markov Chains with Aggregators: Theory, Computation, and Applications
- Bar Light
  Bar Light
  [email protected]
  https://orcid.org/0000-0002-6123-7568
  Business School and Institute of Operations Research and Analytics, National University of Singapore, Singapore 119077
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Published Online:June 19, 2026
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Abstract
Unique Steady States Without Contraction in Nonlinear Stochastic ModelsMany models in operations and economics describe systems whose future behavior depends not only on the current state but also on a function of the current distribution of states. In “...
An Efficient Algorithm for Continuous Bi-Criteria Traffic Assignment
- Jun Xie
  Jun Xie
  [email protected]
  https://orcid.org/0000-0003-0168-3360
  School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610032, China
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- Qianni Wang
  Qianni Wang
  [email protected]
  https://orcid.org/0000-0001-6830-4033
  Department of Civil and Environmental Engineering, Northwestern University, Evanston, Illinois 60208
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- Jiayang Li
  Jiayang Li
  [email protected]
  https://orcid.org/0000-0001-9245-0209
  Department of Data and Systems Engineering, The University of Hong Kong, Hong Kong SAR, China
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  ,
- Yu (Marco) Nie
  Corresponding Author
  Yu (Marco) Nie
  [email protected]
  https://orcid.org/0000-0003-2083-470X
  Department of Civil and Environmental Engineering, Northwestern University, Evanston, Illinois 60208
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Published Online:June 15, 2026
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Abstract
Computing Equilibrium with Heterogeneous User PreferencesThe authors address a long-standing challenge in transportation network modeling: how travelers choose routes in congested networks when balancing multiple route attributes, some of which are ...

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