Akiko Takeda

• Classification
• Robust Optimization
• Nonconvex Optimization
• Homotopy Continuation Method
• Parallel Computing
• Data Envelopment Analysis (DEA)

Classification

• B-443:
  A. Takeda,
  " A Modified Algorithm for Nonconvex Support Vector Classification", August 2007.
  Abstract
• B-439:
  A. Takeda,
  " Support Vector Machine Based on Conditional Value-at-Risk Minimization", March 2007, revised in August 2007.
  Abstract
   
• B-423:
  J. Gotoh and A. Takeda,
  " Conditional Minimum Volume Ellipsoid with Applications to Subset Selection for MVE Estimator and Multiclass Discrimination", January 2006.
  Abstract
   
• B-410:
  J. Gotoh and A. Takeda,
  " A linear Classification Model Based on Conditional Geometric Score", September 2004.
  Abstract

Robust Optimization

• B-427:
  A. Takeda, S. Taguchi and T. Tanaka,
  " A Relaxation Algorithm with Probabilistic Guarantee for Robust Deviation Optimization Problems", March 2006.
  Abstract
   
• B-425:
  T. Kanamori and A. Takeda,
  " Worst-Case Violation of Sampled Convex Programs for Optimization with Uncertainty", February 2006.
  Abstract
   
• B-417:
  A. Takeda and T. Kanamori,
  " A Robust Optimization Approach Based on Conditional Value-at-Risk Measure and its Applications to Statistical Learning Problems", August 2005.
  Abstract
   
• B-408:
  A. Takeda, S. Taguchi and R. Tutuncu,
  " Adjustable Robust Optimization Models for Nonlinear Multi-Period Optimization", August 2004.
  Abstract

Nonconvex Optimization

• B-405:
  C. Vo, A. Takeda and M. Kojima,
  " A Multilevel Parallelized Hybrid Branch and Bound Algorithm for Quadratic Optimization", March 2004.
  Abstract
   
• B-370:
  A. Takeda, K. Fujisawa, Y. Fukaya and M. Kojima,
  " Parallel Implementation of Successive Convex Relaxation Methods for Quadratic Optimization Problems", May 2001.
  Abstract
   
• B-352:
  A. Takeda and M. Kojima,
  "Successive Convex Relaxation Approach to Bilevel Quadratic Optimization Problems", August 1999.
  Abstract
   
• B-350:
  M. Kojima and A. Takeda,
  "Complexity Analysis of Conceptual Successive Convex Relaxation of Nonconvex Sets", April 1999.
  Abstract
   
• B-347:
  A. Takeda, Y. Dai, M. Fukuda, and M. Kojima,
  "Towards the Implementation of Successive Convex Relaxation Method for Nonconvex
  Quadratic Optimization Problems", March 1999.
  Abstract
   

Homotopy Continuation Method

• B-441:
  T. Mizutani and A. Takeda,
  " DEMiCs: A software package for computing the mixed volume via dynamic enumeration of all mixed cells", April 2007.
  Abstract
   
• B-422:
  T. Mizutani, A. Takeda and M. Kojima,
  " Dynamic Enumeration of All Mixed Cells", January 2006.
  Abstract
   
• B-386:
  T. Gunji, S. Kim, M. Kojima, A. Takeda, K. Fujisawa and T. Mizutani,
  " PHoM -- a Polyhedral Homotopy Continuation Method", December 2002, revised Janurary 2003.
  Abstract
   
• B-364:
  A. Takeda, M. Kojima and K. Fujisawa,
  " Enumeration of All Solutions of a Combinatorial linear Inequality System "
  Arising from the Polyhedral Homotopy Continuation Method , November 2000.
  Abstract
   

Parallel Computing

• B-400:
  K. Fujisawa, M. Kojima, A. Takeda and M. Yamashita,
  " Solving Large Scale Optimization Problems via Grid and Cluster Computing ", December 2003.
  Abstract
   
• B-396:
  K. Fujisawa, M. Kojima, A. Takeda and M. Yamashita,
  " High Performance Grid and Cluster Computing for Some Optimization Problems", October 2003.
  Abstract

Data Envelopment Analysis (DEA)

• B-343:
  A. Takeda and H. Nishino,
  "On Measuring the Inefficiency with the Inner-Product Norm in Date Envelopment Analysis", September 1998.
  Abstract