Research Output per year

## Research Output

## A damped Newton algorithm for nonnegative matrix factorization based on alpha-divergence

Sano, T., Migita, T. & Takahashi, N., Nov 2019,*2019 6th International Conference on Systems and Informatics, ICSAI 2019.*Wu, W., Wang, L., Ji, C., Chen, N., Qiang, S., Song, X. & Wang, X. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 463-468 6 p. 9010306. (2019 6th International Conference on Systems and Informatics, ICSAI 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## A Distributed HALS Algorithm for Euclidean Distance-Based Nonnegative Matrix Factorization

Domen, Y., Migita, T. & Takahashi, N., Dec 2019,*2019 IEEE Symposium Series on Computational Intelligence, SSCI 2019.*Institute of Electrical and Electronics Engineers Inc., p. 1332-1337 6 p. 9003158. (2019 IEEE Symposium Series on Computational Intelligence, SSCI 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## An Infinity Norm-Based Pseudo-Decentralized Discrete-Time Algorithm for Computing Algebraic Connectivity

Shimada, K., Migita, T. & Takahashi, N., Dec 2019,*2019 IEEE Symposium Series on Computational Intelligence, SSCI 2019.*Institute of Electrical and Electronics Engineers Inc., p. 1292-1298 7 p. 9002875. (2019 IEEE Symposium Series on Computational Intelligence, SSCI 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## A Novel NMF Algorithm for Detecting Clusters in Directed Networks

Usuzaka, Y. & Takahashi, N., Apr 8 2019,*2019 International Conference on Computing, Networking and Communications, ICNC 2019.*Institute of Electrical and Electronics Engineers Inc., p. 148-152 5 p. 8685549. (2019 International Conference on Computing, Networking and Communications, ICNC 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Band-restricted diagonally dominant matrices: Computational complexity and application

Takahashi, N., Hirata, D., Jinbo, S. & Yamamoto, H., May 2019, In : Journal of Computer and System Sciences. 101, p. 100-111 12 p.Research output: Contribution to journal › Article

## Depth-First Search Algorithms for Finding a Generalized Moore Graph

Satotani, Y. & Takahashi, N., Feb 22 2019,*Proceedings of TENCON 2018 - 2018 IEEE Region 10 Conference.*Institute of Electrical and Electronics Engineers Inc., p. 832-837 6 p. 8650418. (IEEE Region 10 Annual International Conference, Proceedings/TENCON; vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Mutual relationship between the neural network model and linear complexity for pseudorandom binary number sequence

Taketa, Y., Kodera, Y., Tanida, S., Kusaka, T., Nogami, Y., Takahashi, N. & Uehara, S., Nov 2019,*Proceedings - 2019 7th International Symposium on Computing and Networking Workshops, CANDARW 2019.*Institute of Electrical and Electronics Engineers Inc., p. 394-400 7 p. 8951746. (Proceedings - 2019 7th International Symposium on Computing and Networking Workshops, CANDARW 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Reconstruction of CT images using iterative least-squares methods with nonnegative constraint

Kohno, H., Tanji, Y., Fujimoto, K., Kitajima, H., Horikawa, Y. & Takahashi, N., Mar 2019, In : Journal of Signal Processing. 23, 2, p. 41-18 8 p.Research output: Contribution to journal › Article

## A simple sufficient condition for convergence of projected consensus algorithm

Takahashi, N. & Kawashima, K., Jul 2018, In : IEEE Control Systems Letters. 2, 3, p. 537-542 6 p.Research output: Contribution to journal › Article

## A unified global convergence analysis of multiplicative update rules for nonnegative matrix factorization

Takahashi, N., Katayama, J., Seki, M. & Takeuchi, J., Sep 1 2018, In : Computational Optimization and Applications. 71, 1, p. 221-250 30 p.Research output: Contribution to journal › Article

## A new decentralized discrete-time algorithm for estimating algebraic connectivity of multiagent networks

Endo, K. & Takahashi, N., Jan 3 2017,*2016 IEEE Asia Pacific Conference on Circuits and Systems, APCCAS 2016.*Institute of Electrical and Electronics Engineers Inc., p. 232-235 4 p. 7803941

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## A novel newton-type algorithm for nonnegative matrix factorization with alpha-divergence

Nakatsu, S. & Takahashi, N., Jan 1 2017,*Neural Information Processing - 24th International Conference, ICONIP 2017, Proceedings.*Springer Verlag, Vol. 10634 LNCS. p. 335-344 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10634 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Gauss-Seidel HALS algorithm for nonnegative matrix factorization with sparseness and smoothness constraints

Kimura, T. & Takahashi, N., Dec 1 2017, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E100A, 12, p. 2925-2935 11 p.Research output: Contribution to journal › Article

## Graphs that locally maximize clustering coefficient in the space of graphs with a fixed degree sequence

Fukami, T. & Takahashi, N., Jan 30 2017, In : Discrete Applied Mathematics. 217, p. 525-535 11 p.Research output: Contribution to journal › Article

## A fast method for finding the edge to be added to minimize betweenness centrality of a specified vertex

Namba, T. & Takahashi, N., Nov 2016,*Proceedings of 2016 International Symposium on Nonlinear Theory and Its Applications.*p. 614-617 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Extensions of a theorem on algebraic connectivity maximizing graphs

Ishii, R. & Takahashi, N., Nov 2016,*Proceedings of 2016 International Symposium on Nonlinear Theory and Its Applications.*p. 598-601 4 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Global convergence of a modified HALS algorithm for nonnegative matrix factorization

Kimura, T. & Takahashi, N., Jan 14 2016,*2015 IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2015.*Institute of Electrical and Electronics Engineers Inc., p. 21-24 4 p. 7383726

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Multiplicative update for a class of constrained optimization problems related to NMF and its global convergence

Takahashi, N. & Seki, M., Nov 28 2016,*2016 24th European Signal Processing Conference, EUSIPCO 2016.*European Signal Processing Conference, EUSIPCO, Vol. 2016-November. p. 438-442 5 p. 7760286

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Maximizing algebraic connectivity in the space of graphs with fixed number of vertices and edges

Ogiwara, K., Fukami, T. & Takahashi, N., 2015, In : IEEE Transactions on Control of Network Systems. PP, 99, 7336529.Research output: Contribution to journal › Article

## A generalized sufficient condition for global convergence of modified multiplicative updates for NMF

Takahashi, N., Katayama, J. & Takeuchi, J., 2014, In : Proceedings of 2014 International Symposium on Nonlinear Theory and its Applications. p. 44-47 4 p.Research output: Contribution to journal › Article

## Global convergence of modified multiplicative updates for nonnegative matrix factorization

Takahashi, N. & Hibi, R., Mar 1 2014, In : Computational Optimization and Applications. 57, 2, p. 417-440 24 p.Research output: Contribution to journal › Article

## New classes of clustering coefficient locally maximizing graphs

Fukami, T. & Takahashi, N., Jan 10 2014, In : Discrete Applied Mathematics. 162, p. 202-213 12 p.Research output: Contribution to journal › Article

## New update rules based on Kullback-Leibler, gamma, and Renyi divergences for nonnegative matrix factorization

Seki, M. & Takahashi, N., 2014, In : Proceedings of 2014 International Symposium on Nonlinear Theory and its Applications. p. 48-51 4 p.Research output: Contribution to journal › Article

## On graphs that locally maximize algebraic connectivity in the space of graphs with the fixed degree sequence

Fujihara, T. & Takahashi, N., 2014, In : Proceedings of 2014 International Symposium on Nonlinear Theory and its Applications. p. 353-356 4 p.Research output: Contribution to journal › Article

## Boundedness of modified multiplicative updates for nonnegative matrix factorization

Katayama, J., Takahashi, N. & Takeuchi, JI., Dec 1 2013,*2013 5th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2013.*p. 252-255 4 p. 6714055. (2013 5th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2013).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Explicit proof of an inequality related to the Omega-matrix

Takahashi, N., 2013, In : Nonlinear Theory and Its Applications, IEICE. 4, 4, p. 430-450 21 p.Research output: Contribution to journal › Article

## Finding Items Associated with Varied Members in A Pairwise Data Stream

Takahashi, N., 2013, In : Proceedings of the 16th Korea-Japan Joint Workshop on Algorithms and Computation. p. 52-58 7 p.Research output: Contribution to journal › Article

## On Graphs that Locally Maximize Global Clustering Coefficient

Teraji, T. & Takahashi, N., 2013, In : Proceedings of 2013 International Symposium on Nonlinear Theory and its Applications. p. 130-133 4 p.Research output: Contribution to journal › Article

## A Modified Multiplicative Update Algorithm for Convex Quadratic Programming Problems with Nonnegativity Constraints

Takahashi, N., 2012, In : Proceedings of 2012 International Symposium on Nonlinear Theory and its Applications. p. 431-434 4 p.Research output: Contribution to journal › Article

## A New Continuous-Time Algorithm for Calculating Algebraic Connectivity of Multi-Agent Networks

Takahashi, N., 2012, In : Proceedings of 2012 International Symposium on Nonlinear Theory and its Applications. p. 45-48 4 p.Research output: Contribution to journal › Article

## A Theorem on a Solution Curve of a Class of Nonlinear Equations

Takahashi, N., 2012, In : Proceedings of 2012 International Symposium on Nonlinear Theory and its Applications. p. 288-291 4 p.Research output: Contribution to journal › Article

## Information theoretic limit of single-frame super-resolution

Yamaguchi, K., Kawakita, M., Takahashi, N. & Takeuchi, J., Nov 26 2012,*Proceedings - 3rd International Conference on Emerging Security Technologies, EST 2012.*p. 82-85 4 p. 6328088. (Proceedings - 3rd International Conference on Emerging Security Technologies, EST 2012).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Some Properties of Solution Curves of a Class of Nonlinear Equations and the Number of Solutions

Takahashi, N., 2012, In : Nonlinear Theory and Its Applications, IEICE. 3, 3, p. 301-335 35 p.Research output: Contribution to journal › Article

## A modified multiplicative update algorithm for euclidean distance-based nonnegative matrix factorization and its global convergence

Hibi, R. & Takahashi, N., Nov 28 2011,*Neural Information Processing - 18th International Conference, ICONIP 2011, Proceedings.*PART 2 ed. p. 655-662 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7063 LNCS, no. PART 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Controlling Clustering Coefficient of Graphs by Means of 2-Switch Method

Takahashi, N., 2011, In : Proceedings of 2011 International Symposium on Nonlinear Theory and its Applications. p. 64-67 4 p.Research output: Contribution to journal › Article

## Global Asymptotic Stability of Nonlinear Circuits Related to Maximum Flow Problems

Takahashi, N., 2011, In : Nonlinear Theory and Its Applications, IEICE. 2, 4, p. 432-442 11 p.Research output: Contribution to journal › Article

## Maximum Clustering Coefficient of Graphs with Given Number of Vertices and Edges

Takahashi, N., 2011, In : Nonlinear Theory and Its Applications, IEICE. 2, 4, p. 443-457 15 p.Research output: Contribution to journal › Article

## On Topology of Networked Multi-Agent Systems for Fast Consensus

Takahashi, N., 2011, In : Proceedings of 2011 International Symposium on Nonlinear Theory and its Applications. p. 56-59 4 p.Research output: Contribution to journal › Article

## Analysis of signal propagation in 1-D CNNs with the antisymmetric template

Takahashi, N., Nishi, T. & Hara, H., 2010,*2010 12th International Workshop on Cellular Nanoscale Networks and their Applications, CNNA 2010.*IEEE Computer Society, 5430264. (2010 12th International Workshop on Cellular Nanoscale Networks and their Applications, CNNA 2010).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Global Asymptotic Stability Analysis of Nonlinear Circuits for Solving the Maximum Flow Problem

Takahashi, N., 2010, In : Proceedings of 2010 International Symposium on Nonlinear Theory and its Applications. p. 358-361 4 p.Research output: Contribution to journal › Article

## Sufficient conditions for one-dimensional cellular neural networks to perform connected component detection

Takahashi, N., Ishitobi, K. & Nishi, T., Oct 1 2010, In : Nonlinear Analysis: Real World Applications. 11, 5, p. 4202-4213 12 p.Research output: Contribution to journal › Article

## A Two-Phase Decomposition Algorithm for Solving Convex Quadratic Programming Problems

Takahashi, N., 2009, In : Proceedings of 2009 International Symposium on Nonlinear Theory and its Applications. p. 576-579 4 p.Research output: Contribution to journal › Article

## On clustering coefficients of graphs with the fixed numbers of vertices and edges

Takahashi, N., Dec 10 2009,*ECCTD 2009 - European Conference on Circuit Theory and Design Conference Program.*p. 814-817 4 p. 5275108. (ECCTD 2009 - European Conference on Circuit Theory and Design Conference Program).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## An efficient algorithm for multi-class support vector machines

Guo, J., Takahashi, N. & Hu, W., Dec 1 2008,*Proceedings - 2008 International Conference on Advanced Computer Theory and Engineering, ICACTE 2008.*p. 327-331 5 p. 4736975. (Proceedings - 2008 International Conference on Advanced Computer Theory and Engineering, ICACTE 2008).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## A New Decomposition Algorithm for Solving Convex Quadratic Programming Problems

Takahashi, N., 2008, In : Proceedings of 2008 International Symposium on Nonlinear Theory and its Applications. p. 73-76 4 p.Research output: Contribution to journal › Article

## Global convergence analysis of decomposition methods for support vector regression

Guo, J. & Takahashi, N., Dec 1 2008,*Advances in Neural Networks - ISNN 2008 - 5th International Symposium on Neural Networks, ISNN 2008, Proceedings.*PART 1 ed. p. 663-673 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5263 LNCS, no. PART 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Global convergence of SMO algorithm for support vector regression

Takahashi, N., Guo, J. & Nishi, T., Dec 1 2008, In : IEEE Transactions on Neural Networks. 19, 6, p. 971-982 12 p.Research output: Contribution to journal › Article

## On asymptotic behavior of state trajectories of piecewise-linear recurrent neural networks generating periodic sequence of binary vectors

Takahashi, N. & Minetoma, Y., Nov 24 2008,*2008 International Joint Conference on Neural Networks, IJCNN 2008.*p. 484-489 6 p. 4633836. (Proceedings of the International Joint Conference on Neural Networks).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

## Stable patterns realized by a class of one-dimensional two-layer CNNs

Takahashi, N., Nagayoshi, M., Kawabata, S. & Nishi, T., Dec 1 2008, In : IEEE Transactions on Circuits and Systems I: Regular Papers. 55, 11, p. 3607-3620 14 p.Research output: Contribution to journal › Article

## A New Working Set Selection for Decomposition-Type SVM Learning Algorithms

Takahashi, N., 2007, In : Proceedings of 2007 International Symposium on Nonlinear Theory and its Applications. p. 280-283 4 p.Research output: Contribution to journal › Article