Hirai, Hiroshi
- Convex analysis on Hadamard spaces and scaling problems
2022/03/07 by Hirai, Hiroshi · 3 citations
#53C35 #90C25 #FOS: Mathematics #Optimization and Control (math.OC)
- Discrete Convex Functions on Graphs and Their Algorithmic Applications
2017/06/28 by Hirai, Hiroshi · 1 citation
#FOS: Mathematics #Optimization and Control (math.OC)
- Computing the nc-rank via discrete convex optimization on CAT(0) spaces
2020/12/26 by Masaki Hamada, Hiroshi Hirai, Hamada, Masaki +1 · 2 citations
Engineering · Mathematics · #06C20 #68Q25 #90C25 #Algebraic structures and combinatorial models #FOS: Mathematics #Finite Group Theory Research #Optimization and Control (math.OC) #graph theory and CDMA systems
- Gradient descent for unbounded convex functions on Hadamard manifolds and its applications to scaling problems
2024/04/15 by Hirai, Hiroshi, Sakabe, Keiya · 3 citations
#53C35 #90C25 #Differential Geometry (math.DG) #FOS: Mathematics #Optimization and Control (math.OC)
- Finding Hall blockers by matrix scaling
2022/04/15 by Koyo Hayashi, Hayashi, Koyo, Hiroshi Hirai +2 · 1 citation
Computer Science · #05C50 #Combinatorics (math.CO) #Complexity and Algorithms in Graphs #Data Structures and Algorithms (cs.DS) #FOS: Computer and information sciences #FOS: Mathematics #Optimization and Control (math.OC) #Stochastic Gradient Optimization Techniques #Topological and Geometric Data Analysis
- Algebraic combinatorial optimization on the degree of determinants of noncommutative symbolic matrices
2023/10/24 by Hiroshi Hirai, Yuni Iwamasa, Hirai, Hiroshi +5 · 1 citation
Computer Science · Engineering · Mathematics · #68Q25 #90C27 #Combinatorics (math.CO) #Data Structures and Algorithms (cs.DS) #FOS: Computer and information sciences #FOS: Mathematics #Graph Labeling and Dimension Problems #Graph theory and applications #graph theory and CDMA systems