PPT-Matroids

amp Representative Sets Daniel Lokshtanov Alice vs Bob F abc acd bce b e acd a c Rules of the game Board universe. Secretary for Regular and Decomposable Matroids. Michael Dinitz. Guy . Kortsarz. Weizmann Institute of Science. Johns Hopkins University. Rutgers University, Camden. Secretary Problem: Basic. 2. Danny Polo. A Mini-Survey. Chandra . Chekuri. Univ. of Illinois, Urbana-Champaign. Submodular Set Functions. A function . f. : 2. N. . . . R . is submodular if. . f(A. ) + . f(B. ) ≥ . f(A. . B. ) + . from. Lossless Expander Graphs. Nick Harvey. U. Waterloo. TexPoint fonts used in EMF. . Read the TexPoint manual before you delete this box.: . A. A. A. A. A. A. A. Maria-. Florina. . Balcan. Georgia Tech. A Mini-Survey. Chandra . Chekuri. Univ. of Illinois, Urbana-Champaign. Submodular Set Functions. A function . f. : 2. N. . . . R . is submodular if. . f(A. ) + . f(B. ) ≥ . f(A. . B. ) + . Moran . Feldman. Rico Zenklusen. Ola Svensson. The (Classical) Secretary Problem. n. secretaries, each with a unique internal value . v. i. .. The Secretaries are interviewed one after the other, in a . and Matroids. Soheil Ehsani. January 2018. Joint work with M. . Hajiaghayi. , T. . Kesselheim. , S. . Singla. The problem consists of an . initial setting . and a . sequence of events. .. We have to take particular actions . and Matroids. Soheil Ehsani. January 2018. Joint work with M. . Hajiaghayi. , T. . Kesselheim. , S. . Singla. The problem consists of an . initial setting . and a . sequence of events. .. We have to take particular actions . 91 158-208 1992 Perfect Matroids ANDREAS W M DRESS AND WALTER WENZEL Department of Mathematics University qf Bielefeld Germany Matroids with an arbitrary domain of coefficients have been introduced in