Fault-Tolerant Graph Algorithms and Hypergraph Problems

The field of graph algorithms and hypergraph problems is moving towards developing more efficient and fault-tolerant solutions. Researchers are focusing on designing algorithms that can preserve distances and connectivity in graphs even when some edges or vertices fail. This is particularly important in real-world applications where network reliability is crucial.

Recent work has led to the development of nearly-tight upper and lower bounds for certain problems, as well as the creation of more efficient algorithms for solving them. The use of color fault-tolerant network design is also being explored, which can potentially lead to sparser subgraphs that still preserve important properties.

Noteworthy papers in this area include: An Optimal $3$-Fault-Tolerant Connectivity Oracle, which presents an optimal oracle for answering connectivity queries in undirected graphs in the presence of at most three vertex failures. Near-Optimal Minimum Cuts in Hypergraphs at Scale, which introduces a scalable algorithm for computing near-optimal minimum cuts in both unweighted and weighted hypergraphs.

Sources

Preserving Distances in Faulty Colored Graphs

An Optimal $3$-Fault-Tolerant Connectivity Oracle

Worst-Case and Average-Case Hardness of Hypercycle and Database Problems

Near-Optimal Minimum Cuts in Hypergraphs at Scale

Effective Index Construction Algorithm for Optimal $(k,\eta)$-cores Computation

Counting Specific Classes of Relations Regarding Fixed Points and Reflexive Points

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