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cs.DS2025
The Case for External Graph Sketching
Michael A. Bender, Martín Farach-Colton, Riko Jacob +3
Algorithms in the data stream model use space to compute some property of an input of size , and many of these algorithms are implemented and used in practice. H…
cs.DS2023
An Algorithm for Bichromatic Sorting with Polylog Competitive Ratio
Mayank Goswami, Riko Jacob
The problem of sorting with priced information was introduced by [Charikar, Fagin, Guruswami, Kleinberg, Raghavan, Sahai (CFGKRS), STOC 2000]. In this setting, different comparison…
cs.DS2023
Finding the saddlepoint faster than sorting
Justin Dallant, Frederik Haagensen, Riko Jacob +2
A saddlepoint of an matrix is an entry of that is a maximum in its row and a minimum in its column. Knuth (1968) gave several different algorithms for finding…