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203 papers · 1 filter
Improved Algorithms for Exact and Approximate Boolean Matrix Decomposition
Yuan Sun, Shiwei Ye, Yi Sun +1
An arbitrary Boolean matrix can be decomposed {\em exactly} as , where (resp. ) is an (resp. ) Boolean matrix and …
The difference and ratio of the fractional matching number and the matching number of graphs
Ilkyoo Choi, Jaehoon Kim, Suil O
Given a graph , the matching number of , written , is the maximum size of a matching in , and the fractional matching number of , written , is the maxim…
Mass measurements of neutron-rich Rb and Sr isotopes
R. Klawitter, A. Bader, M. Brodeur +16
We report on the mass measurements of several neutron-rich and isotopes in the region with the TITAN Penning-trap mass spectrometer. Usi…
Online Visual Analytics of Text Streams
Shixia Liu, Jialun Yin, Xiting Wang +3
We present an online visual analytics approach to helping users explore and understand hierarchical topic evolution in high-volume text streams. The key idea behind this approach i…
Average value of solutions of the bipartite quadratic assignment problem and linkages to domination analysis
Ante Ćustić, Abraham P. Punnen
In this paper we study the complexity and domination analysis in the context of the \emph{bipartite quadratic assignment problem}. Two variants of the problem, denoted by BQAP1 and…
Linear-Time Fitting of a -Step Function
Binay Bhattacharya, Sandip Das, Tsunehiko Kameda
Given a set of weighted points on the - plane, we want to find a step function consisting of horizontal steps such that the maximum vertical weighted distance from an…