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Title: The Computational Complexity of 3k-CLIQUE
Title: The Computational Complexity of 3k-CLIQUE


Research Question: What is the minimum time complexity required for a deterministic and exact algorithm to solve the 3k-CLIQUE problem on a classical computer?
Research Question: How fast can a deterministic and exact algorithm solve the 3k-CLIQUE problem on a classical computer?


Methodology: The study uses a graph theoretical approach to solve the 3k-CLIQUE problem. It proposes a method to convert the original graph into an auxiliary graph with a specific structure. The 3k-CLIQUE problem on the original graph is then reduced to determining if there is a nonzero entry in the product of the adjacency matrices of the auxiliary graph.
Methodology: The study uses a graph theory approach to solve the 3k-CLIQUE problem. It proposes a method where an auxiliary graph G′ is created, which has a 3-clique if and only if the 3k-CLIQUE problem is true for the original graph G. The Hadamard product of the adjacency matrix of G′ is then used to determine if there is a 3-clique in G′.


Results: The main result is that the fastest deterministic and exact algorithm that solves the 3k-CLIQUE problem must run in Ω( n2k) time in the worst-case scenario on a classical computer, where n is the number of vertices in the graph. This lower bound is confirmed by the fact that the fastest known deterministic and exact algorithm that solves 3k-CLIQUE was published in 1985 and has a running time of Θ( nωk), where ω ≥ 2.
Results: The main result is that the fastest deterministic and exact algorithm that solves the 3k-CLIQUE problem must run in Ω( n2k) time in the worst-case scenario on a classical computer, where n is the number of vertices in the graph. This implies that P/negationslash ≠ NP, which is a significant contribution to the complexity theory.


Implications: This research has implications for the field of computational complexity, as it provides a lower bound on the time complexity of solving the 3k-CLIQUE problem. It also contributes to the ongoing discussion about the relationship between P and NP, as the lower bound implies that P/NP ≠ P.
Implications: This research has practical implications for the field of computer science, particularly in the areas of graph theory and computational complexity. It sets a lower bound on the time complexity for solving the 3k-CLIQUE problem, which has applications in various areas such as combinatorics, artificial intelligence, and network analysis. The results also contribute to our understanding of the relationship between NP and P/negationslash classes.


Link to Article: https://arxiv.org/abs/0310060v11
Link to Article: https://arxiv.org/abs/0310060v12
Authors:  
Authors:  
arXiv ID: 0310060v11
arXiv ID: 0310060v12


[[Category:Computer Science]]
[[Category:Computer Science]]
[[Category:Clique]]
[[Category:3K]]
[[Category:3K]]
[[Category:Clique]]
[[Category:Problem]]
[[Category:Graph]]
[[Category:Graph]]
[[Category:Problem]]
[[Category:Complexity]]
[[Category:Complexity]]

Revision as of 14:46, 24 December 2023

Title: The Computational Complexity of 3k-CLIQUE

Research Question: How fast can a deterministic and exact algorithm solve the 3k-CLIQUE problem on a classical computer?

Methodology: The study uses a graph theory approach to solve the 3k-CLIQUE problem. It proposes a method where an auxiliary graph G′ is created, which has a 3-clique if and only if the 3k-CLIQUE problem is true for the original graph G. The Hadamard product of the adjacency matrix of G′ is then used to determine if there is a 3-clique in G′.

Results: The main result is that the fastest deterministic and exact algorithm that solves the 3k-CLIQUE problem must run in Ω( n2k) time in the worst-case scenario on a classical computer, where n is the number of vertices in the graph. This implies that P/negationslash ≠ NP, which is a significant contribution to the complexity theory.

Implications: This research has practical implications for the field of computer science, particularly in the areas of graph theory and computational complexity. It sets a lower bound on the time complexity for solving the 3k-CLIQUE problem, which has applications in various areas such as combinatorics, artificial intelligence, and network analysis. The results also contribute to our understanding of the relationship between NP and P/negationslash classes.

Link to Article: https://arxiv.org/abs/0310060v12 Authors: arXiv ID: 0310060v12