28 search results - page 1 / 6 » The sum-of-increments constraint in the consecutive-ones mat... |
CPAIOR
2010
Springer
14 years 7 months ago
2010
Springer
Abstract. The multileaf collimator sequencing problem is an important component of the effective delivery of intensity modulated radiotherapy used in the treatment of cancer. The p...
CPAIOR
2009
Springer
14 years 11 months ago
2009
Springer
Abstract. The multileaf collimator sequencing problem is an important component in effective cancer treatment delivery. The problem can be formulated as finding a decomposition of...
COLOGNETWENTE
2008
14 years 6 months ago
2008
We consider combinatorial optimization problems arising in radiation therapy. Given a matrix I with non-negative integer entries, we seek for a decomposition of I as a weighted su...
DISOPT
2006
14 years 4 months ago
2006
We consider the multiple shift scheduling problem modelled as a covering problem. Such problems are characterized by a constraint matrix that has in every column blocks of consecu...
SAC
2009
ACM
14 years 11 months ago
2009
ACM
The combinatorial problem of decomposing an integer matrix into a small positive linear combination of binary matrices that have the consecutive-ones property arises in cancer rad...