Iglesias, Jennifer; Ravi, R. Coloring down: 3/2-approximation for special cases of the weighted tree augmentation problem. (English) Zbl 1525.90418 Oper. Res. Lett. 50, No. 6, 693-698 (2022). MSC: 90C35 68W25 05C05 05C22 90B10 × Cite Format Result Cite Review PDF Full Text: DOI arXiv OA License
Parekh, Ojas; Ravi, R.; Zlatin, Michael On small-depth tree augmentations. (English) Zbl 1527.90241 Oper. Res. Lett. 50, No. 6, 667-673 (2022). MSC: 90C35 90B10 68W25 × Cite Format Result Cite Review PDF Full Text: DOI arXiv OA License