Kazuo Iwama

Orcid: 0000-0002-5339-0669

Affiliations:
  • Kyoto University, Japan


According to our database1, Kazuo Iwama authored at least 193 papers between 1977 and 2023.

Collaborative distances:
  • Dijkstra number2 of three.
  • Erdős number3 of two.

Timeline

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Bibliography

2023
Marriage and Roommate.
Int. J. Found. Comput. Sci., November, 2023

2022
Tight competitive analyses of online car-sharing problems.
Theor. Comput. Sci., 2022

Bounded Hanoi.
Am. Math. Mon., 2022

Improving the Bounds of the Online Dynamic Power Management Problem.
Proceedings of the 33rd International Symposium on Algorithms and Computation, 2022

2021
Randomized Scheduling for the Online Car-sharing Problem.
CoRR, 2021

Tight Competitive Analyses of Online Car-Sharing Problems.
Proceedings of the 32nd International Symposium on Algorithms and Computation, 2021

2020
Improved average complexity for comparison-based sorting.
Theor. Comput. Sci., 2020

2019
Read-Once Branching Programs for Tree Evaluation Problems.
ACM Trans. Comput. Theory, 2019

2018
Parameterized Testability.
ACM Trans. Comput. Theory, 2018

Letter from the Editor.
Bull. EATCS, 2018

Reconstructing Strings from Substrings: Optimal Randomized and Average-Case Algorithms.
CoRR, 2018

Small Complexity Gaps for Comparison-Based Sorting.
Proceedings of the Adventures Between Lower Bounds and Higher Altitudes, 2018

2017
Twenty Lectures on Algorithmic Game Theory.
Bull. EATCS, 2017

2016
Stable Marriage with Ties and Incomplete Lists.
Encyclopedia of Algorithms, 2016

Exact Algorithms for <i>k</i> SAT Based on Local Search.
Encyclopedia of Algorithms, 2016

Approximate strip packing: Revisited.
Inf. Comput., 2016

Letter from the Bulletin Editor.
Bull. EATCS, 2016

Quantum Query Complexity of Almost All Functions with Fixed On-set Size.
Comput. Complex., 2016

Preface.
Balt. J. Mod. Comput., 2016

The Hospitals/Residents Problem with Lower Quotas.
Algorithmica, 2016

Total Stability in Stable Matching Games.
Proceedings of the 15th Scandinavian Symposium and Workshops on Algorithm Theory, 2016

2015
Finding Witnesses for Stability in the Hospitals/Residents Problem.
J. Inf. Process., 2015

Online bin packing with (1, 1) and (2, R) bins.
J. Comb. Optim., 2015

Stable Nash Equilibria in the Gale-Shapley Matching Game.
CoRR, 2015

A Tight Approximation Bound for the Stable Marriage Problem with Restricted Ties.
Proceedings of the Approximation, 2015

2014
Reputation games for undirected graphs.
Discret. Appl. Math., 2014

Correction: Pareto Optimization or Cascaded Weighted Sum: A Comparison of Concepts. <i>Algorithms </i>2014, <i>7</i>, 166-185.
Algorithms, 2014

A 25/17-Approximation Algorithm for the Stable Marriage Problem with One-Sided Ties.
Algorithmica, 2014

2013
A Harmonic Algorithm for the 3D Strip Packing Problem.
SIAM J. Comput., 2013

Parameterized Complexity and the Understanding, Design, and Analysis of Heuristics (NII Shonan Meeting 2013-2).
NII Shonan Meet. Rep., 2013

Recovering Strings in Oracles: Quantum and Classic.
Int. J. Found. Comput. Sci., 2013

Improving Man-Optimal Stable Matchings by Minimum Change of Preference Lists.
Algorithms, 2013

The Train Delivery Problem Revisited.
Proceedings of the Algorithms and Computation - 24th International Symposium, 2013

2012
Quantum counterfeit coin problems.
Theor. Comput. Sci., 2012

Improved approximation bounds for the Student-Project Allocation problem with preferences over projects.
J. Discrete Algorithms, 2012

Approximability of Stable Matching Problems.
Proceedings of the WALCOM: Algorithms and Computation - 6th International Workshop, 2012

Reconstructing Strings from Substrings with Quantum Queries.
Proceedings of the Algorithm Theory - SWAT 2012, 2012

Recovering Strings in Oracles: Quantum and Classic.
Proceedings of the Developments in Language Theory - 16th International Conference, 2012

2011
A randomized algorithm for two servers in cross polytope spaces.
Theor. Comput. Sci., 2011

Average-case competitive analyses for one-way trading.
J. Comb. Optim., 2011

Verifying Nash Equilibria in PageRank Games on Undirected Web Graphs.
Proceedings of the Algorithms and Computation - 22nd International Symposium, 2011

The Hospitals/Residents Problem with Quota Lower Bounds.
Proceedings of the Algorithms - ESA 2011, 2011

2010
The complexity of the Hajós calculus for planar graphs.
Theor. Comput. Sci., 2010

Approximation algorithms for the sex-equal stable marriage problem.
ACM Trans. Algorithms, 2010

Online knapsack with resource augmentation.
Inf. Process. Lett., 2010

The Planar Hajós Calculus for Bounded Degree Graphs.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010

Guest Editorial: Special Issue on Matching Under Preferences.
Algorithmica, 2010

Improved Randomized Algorithms for 3-SAT.
Proceedings of the Algorithms and Computation - 21st International Symposium, 2010

Averaging Techniques for Competitive Auctions.
Proceedings of the Seventh Workshop on Analytic Algorithmics and Combinatorics, 2010

2009
Enumeration of isolated cliques and pseudo-cliques.
ACM Trans. Algorithms, 2009

Drawing Borders Efficiently.
Theory Comput. Syst., 2009

An improved approximation lower bound for finding almost stable maximum matchings.
Inf. Process. Lett., 2009

Average/Worst-Case Gap of Quantum Query Complexities by On-Set Size
CoRR, 2009

Negation-Limited Complexity of Parity and Inverters.
Algorithmica, 2009

Quantum Queries on Permutations with a Promise.
Proceedings of the Implementation and Application of Automata, 2009

2008
Stable Marriage with Ties and Incomplete Lists.
Proceedings of the Encyclopedia of Algorithms - 2008 Edition, 2008

Local Search Algorithms for kSAT.
Proceedings of the Encyclopedia of Algorithms - 2008 Edition, 2008

Reductions for monotone Boolean circuits.
Theor. Comput. Sci., 2008

Online Removable Square Packing.
Theory Comput. Syst., 2008

Online chasing problems for regular polygons.
Inf. Process. Lett., 2008

New Graph Calculi for Planar Non-3-Colorable Graphs.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008

The Complexity of the Hajos Calculus for Planar Graphs.
Electron. Colloquium Comput. Complex., 2008

On Two Dimensional Orthogonal Knapsack Problem
CoRR, 2008

Editor's Foreword.
Algorithms, 2008

Randomized Competitive Analysis for Two Server Problems.
Algorithms, 2008

A (2-<i>c</i>(1/sqrt(N)))-Approximation Algorithm for the Stable Marriage Problem.
Algorithmica, 2008

Max-Stretch Reduction for Tree Spanners.
Algorithmica, 2008

SAT, UNSAT and Coloring.
Proceedings of the Theory and Applications of Satisfiability Testing, 2008

Quantum Query Complexity of Boolean Functions with Small On-Sets.
Proceedings of the Algorithms and Computation, 19th International Symposium, 2008

Polynomial-Time Construction of Linear Network Coding.
Proceedings of the Automata, Languages and Programming, 35th International Colloquium, 2008

08431 Open Problems - Moderately Exponential Time Algorithms.
Proceedings of the Moderately Exponential Time Algorithms, 19.10. - 24.10.2008, 2008

08431 Executive Summary - Moderately Exponential Time Algorithms.
Proceedings of the Moderately Exponential Time Algorithms, 19.10. - 24.10.2008, 2008

08431 Abstracts Collection - Moderately Exponential Time Algorithms.
Proceedings of the Moderately Exponential Time Algorithms, 19.10. - 24.10.2008, 2008

2007
Improved algorithms for quantum identification of Boolean oracles.
Theor. Comput. Sci., 2007

Improved approximation results for the stable marriage problem.
ACM Trans. Algorithms, 2007

Exploiting partial knowledge of satisfying assignments.
Discret. Appl. Math., 2007

Quantum Network Coding.
Proceedings of the STACS 2007, 2007

A 1.875: approximation algorithm for the stable marriage problem.
Proceedings of the Eighteenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2007

Harmonic algorithm for 3-dimensional strip packing problem.
Proceedings of the Eighteenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2007

Online Chasing Problems for Regular n-Gons.
Proceedings of the 2007 IEEE International Conference on Research, 2007

Unbounded-Error Classical and Quantum Communication Complexity.
Proceedings of the Algorithms and Computation, 18th International Symposium, 2007

Unbounded-Error One-Way Classical and Quantum Communication Complexity.
Proceedings of the Automata, Languages and Programming, 34th International Colloquium, 2007

An Improved Exact Algorithm for Cubic Graph TSP.
Proceedings of the Computing and Combinatorics, 13th Annual International Conference, 2007

Properties of Symmetric Incentive Compatible Auctions.
Proceedings of the Computing and Combinatorics, 13th Annual International Conference, 2007

Flow Time Minimization under Energy Constraints.
Proceedings of the 12th Conference on Asia South Pacific Design Automation, 2007

Optimal Resource Augmentations for Online Knapsack.
Proceedings of the Approximation, 2007

Approximating the Maximum Independent Set and Minimum Vertex Coloring on Box Graphs.
Proceedings of the Algorithmic Aspects in Information and Management, 2007

2006
Quantum lower bounds for the Goldreich-Levin problem.
Inf. Process. Lett., 2006

Quantum Biased Oracles.
Inf. Media Technol., 2006

A (2 - <i>c</i>log <i>N</i>/<i>N</i>)-Approximation Algorithm for the Stable Marriage Problem.
IEICE Trans. Inf. Syst., 2006

Efficient Methods for Determining DNA Probe Orders.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

Approximated Vertex Cover for Graphs with Perfect Matchings.
IEICE Trans. Inf. Syst., 2006

Strip Packing vs. Bin Packing.
Electron. Colloquium Comput. Complex., 2006

Density condensation of Boolean formulas.
Discret. Appl. Math., 2006

New Upper Bounds on The Approximability of 3D Strip Packing
CoRR, 2006

Classic and Quantum Network Coding.
Proceedings of the Algorithm Theory, 2006

Reductions for Monotone Boolean Circuits.
Proceedings of the Mathematical Foundations of Computer Science 2006, 2006

(4, 1)-Quantum Random Access Coding Does Not Exist.
Proceedings of the Proceedings 2006 IEEE International Symposium on Information Theory, 2006

Stable Matching Problems.
Proceedings of the Algorithms and Computation, 17th International Symposium, 2006

Finite-State Online Algorithms and Their Automated Competitive Analysis.
Proceedings of the Algorithms and Computation, 17th International Symposium, 2006

2005
Single backup table schemes for shortest-path routing.
Theor. Comput. Sci., 2005

Quantum Sampling for Balanced Allocations.
IEICE Trans. Inf. Syst., 2005

Compact Routing with Stretch Factor of Less Than Three.
IEICE Trans. Inf. Syst., 2005

Average-Case Competitive Analyses for Ski-Rental Problems.
Algorithmica, 2005

Approximating vertex cover on dense graphs.
Proceedings of the Sixteenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2005

A (2-c*(1/sqrt(N)))-Approximation Algorithm for the Stable Marriage Problem.
Proceedings of the Algorithms and Computation, 16th International Symposium, 2005

The Delayed <i>k</i>-Server Problem.
Proceedings of the Fundamentals of Computation Theory, 15th International Symposium, 2005

Linear-Time Enumeration of Isolated Cliques.
Proceedings of the Algorithms, 2005

2004
Randomized approximation of the stable marriage problem.
Theor. Comput. Sci., 2004

Partially effective randomization in simulations between ARBITRARY and COMMON PRAMs.
J. Parallel Distributed Comput., 2004

The orthogonal CNN problem.
Inf. Process. Lett., 2004

Worst-Case Upper Bounds for kSAT (Column: Algorithmics).
Bull. EATCS, 2004

A (2-c(log N/N))-Approximation Algorithm for the Stable Marriage Problem.
Proceedings of the Algorithm Theory, 2004

Quantum Identification of Boolean Oracles.
Proceedings of the STACS 2004, 2004

Approximated Two Choices in Randomized Load Balancing.
Proceedings of the Algorithms and Computation, 15th International Symposium, 2004

Imperfectness of Data for STS-Based Physical Mapping.
Proceedings of the Exploring New Frontiers of Theoretical Informatics, 2004

2003
A family of NFAs which need 2n- deterministic states.
Theor. Comput. Sci., 2003

Approximability results for stable marriage problems with ties.
Theor. Comput. Sci., 2003

Transformation Rules for CNOT-based Quantum Circuits and Their Applications.
New Gener. Comput., 2003

A New Quantum Claw-finding Algorithm for Three Functions.
New Gener. Comput., 2003

Avoiding Routing Loops on the Internet.
Theory Comput. Syst., 2003

Inclusion-exclusion for k-CNF formulas.
Inf. Process. Lett., 2003

Improved Upper Bounds for 3-SAT
Electron. Colloquium Comput. Complex., 2003

Compact Routing for Flat Networks.
Proceedings of the Distributed Computing, 17th International Conference, 2003

Polynomial-Time Computable Backup Tables for Shortest-Path Routing.
Proceedings of the SIROCCO 10: Proceedings of the 10th Internaltional Colloquium on Structural Information Complexity, 2003

Improved Approximation of the Stable Marriage Problem.
Proceedings of the Algorithms, 2003

2002
Hard variants of stable marriage.
Theor. Comput. Sci., 2002

Online independent sets.
Theor. Comput. Sci., 2002

Parallelizing Local Search for CNF Satisfiability Using Vectorization and PVM.
ACM J. Exp. Algorithmics, 2002

Complexity of finding dense subgraphs.
Discret. Appl. Math., 2002

Exploiting the Difference in Probability Calculation between Quantum and Probabilistic Computations.
Proceedings of the Unconventional Models of Computation, Third International Conference, 2002

Compact routing for average-case networks.
Proceedings of the Twenty-First Annual ACM Symposium on Principles of Distributed Computing, 2002

An Explicit Lower Bound of 5n - o(n) for Boolean Circuits.
Proceedings of the Mathematical Foundations of Computer Science 2002, 2002

Inapproximability Results on Stable Marriage Problems.
Proceedings of the LATIN 2002: Theoretical Informatics, 2002

Removable Online Knapsack Problems.
Proceedings of the Automata, Languages and Programming, 29th International Colloquium, 2002

Transformation rules for designing CNOT-based quantum circuits.
Proceedings of the 39th Design Automation Conference, 2002

2001
Efficient randomized routing algorithms on the two-dimensional mesh of buses.
Theor. Comput. Sci., 2001

New Bounds for Oblivious Mesh Routing.
J. Graph Algorithms Appl., 2001

An Oblivious Routing Algorithm for Two-Dimensional Meshes of Constant Queue-Size.
J. Algorithms, 2001

A Lower Bound for Elementary Oblivious Routing on Three-Dimensional Meshes.
J. Algorithms, 2001

Separating Oblivious and Non-oblivious BPs.
Proceedings of the Computing and Combinatorics, 7th Annual International Conference, 2001

2000
Tight bounds on the number of states of DFAs that are equivalent to n-state NFAs.
Theor. Comput. Sci., 2000

Oblivious Routing Algorithms on the Mesh of Buses.
J. Parallel Distributed Comput., 2000

Greedily Finding a Dense Subgraph.
J. Algorithms, 2000

A (2.954 epsilon)n oblivious routing algorithm on 2D meshes.
Proceedings of the Twelfth annual ACM Symposium on Parallel Algorithms and Architectures, 2000

Compact routing with stretch factor of less than three (brief announcement).
Proceedings of the Nineteenth Annual ACM Symposium on Principles of Distributed Computing, 2000

A Family of NFA's Which Need 2<sup>n</sup> -<i>alpha</i> Deterministic States.
Proceedings of the Mathematical Foundations of Computer Science 2000, 2000

Approximation Algorithms for the Maximum Power Consumption Problem on Combinatorial Circuits.
Proceedings of the Algorithms and Computation, 11th International Conference, 2000

1999
Approximation of coNP sets by NP-complete sets and its applications.
Syst. Comput. Jpn., 1999

Undecidability on Quantum Finite Automata.
Proceedings of the Thirty-First Annual ACM Symposium on Theory of Computing, 1999

An O(N) Oblivious Routing Algorithm for 2-D Meshes of Constant Queue-Size.
Proceedings of the Tenth Annual ACM-SIAM Symposium on Discrete Algorithms, 1999

Tree-Like Resolution Is Superpolynomially Slower Than DAG-Like Resolution for the Pigeonhole Principle.
Proceedings of the Algorithms and Computation, 10th International Symposium, 1999

Stable Marriage with Incomplete Lists and Ties.
Proceedings of the Automata, 1999

Multipacket Routing on 2-D Meshes and Its Application to Fault-Tolerant Routing.
Proceedings of the Algorithms, 1999

Using Generalized Forecasts for Online Currency Conversion.
Proceedings of the Computing and Combinatorics, 5th Annual International Conference, 1999

1998
A Canonical Form of Vector Machines.
Inf. Comput., 1998

Better Approximations of Non-Hamiltonian Graphs.
Discret. Appl. Math., 1998

Optimizing OBDDs Is Still Intractable for Monotone Functions.
Proceedings of the Mathematical Foundations of Computer Science 1998, 1998

Improved Time and Space Hierarchies of One-Tape Off-Line TMs.
Proceedings of the Mathematical Foundations of Computer Science 1998, 1998

1997
A Faster Parallel Algorithm for k-Connectivity.
Inf. Process. Lett., 1997

Complexity of Finding Short Resolution Proofs.
Proceedings of the Mathematical Foundations of Computer Science 1997, 1997

Three-Dimensional Meshes are Less Powerful than Two-Dimensional Ones in Oblivious Routing.
Proceedings of the Algorithms, 1997

Tight Bounds on the Number of States of DFA's That Are Equivalent to n-state NFA's.
Proceedings of the 3rd International Conference Developments in Language Theory, 1997

Random benchmark circuits with controlled attributes.
Proceedings of the European Design and Test Conference, 1997

Local Search Algorithms for Partial MAXSAT.
Proceedings of the Fourteenth National Conference on Artificial Intelligence and Ninth Innovative Applications of Artificial Intelligence Conference, 1997

1996
Time Lower Bounds do not Exist for CRCW PRAMs.
Theor. Comput. Sci., 1996

Routing Problems on the Mesh of Buses.
J. Algorithms, 1996

alpha-Connectivity: A Gradually Nonparallel Graph Problem.
J. Algorithms, 1996

Satisfiability of 3CNF formulas with small clause/variable-ratio.
Proceedings of the Satisfiability Problem: Theory and Applications, 1996

Database Queries as Combinatorial Optimization Problems.
Proceedings of the International Symposium on Cooperative Database Systems for Advanced Applications, 1996

Parallel Complexity Hierarchies Based on PRAMs and DLOGTIME-Uniform Circuits.
Proceedings of the Eleveth Annual IEEE Conference on Computational Complexity, 1996

Adding New Clauses for Faster Local Search.
Proceedings of the Thirteenth National Conference on Artificial Intelligence and Eighth Innovative Applications of Artificial Intelligence Conference, 1996

1995
Exponential Lower Bounds for the Tree-Like Hajós Calculus.
Inf. Process. Lett., 1995

Finding Dense Subgraphs.
Proceedings of the Algorithms and Computation, 6th International Symposium, 1995

Performance Test of Local Search Algorithms Using New Types of Random CNF Formulas.
Proceedings of the Fourteenth International Joint Conference on Artificial Intelligence, 1995

Approximation of coNP Sets by NP-complete Sets.
Proceedings of the Computing and Combinatorics, First Annual International Conference, 1995

Intractability of Read-Once Resolution.
Proceedings of the Tenth Annual Structure in Complexity Theory Conference, 1995

1994
A Simpler Parallel Algorithm for Graph Conectivity.
J. Algorithms, 1994

Extended Graph Connectivity and Its Gradually Increasing Parallel Complexity.
Proceedings of the Algorithms and Computation, 5th International Symposium, 1994

SAT-Varible Complexity of Hard Combinatorial Problems.
Proceedings of the Technology and Foundations - Information Processing '94, Volume 1, Proceedings of the IFIP 13th World Computer Congress, Hamburg, Germany, 28 August, 1994

Random Generation of Test Instances for Logic Optimizers.
Proceedings of the 31st Conference on Design Automation, 1994

1993
ASPACE(o(log log n)) is Regular.
SIAM J. Comput., 1993

Rs-vector algorithms for combinational problems.
Syst. Comput. Jpn., 1993

Low-Level Tradeoffs between Reversals and Alternations.
Proceedings of the Developments in Language Theory, 1993

Random generation of test instances with controlled attributes.
Proceedings of the Cliques, 1993

1992
Routing Problems on the Mesh of Buses.
Proceedings of the Algorithms and Computation, Third International Symposium, 1992

Random Generation of Satisfiable and Unsatisfiable CNF Predicates.
Proceedings of the Algorithms, Software, Architecture, 1992

1989
CNF Satisfiability Test by Counting and Polynomial Average Time.
SIAM J. Comput., 1989

An O(log n) Parallel Connectivity Algorithm on the Mesh of Buses.
Proceedings of the Information Processing 89, Proceedings of the IFIP 11th World Computer Congress, San Francisco, USA, August 28, 1989

1983
The Universe Problem for Unrestricted Flow Languages.
Acta Informatica, 1983

Unique Decomposability of Shuffled Strings: A Formal Treatment of Asynchronous Time-Multiplexed Communication
Proceedings of the 15th Annual ACM Symposium on Theory of Computing, 1983

1982
On Equations Including String Variables
Proceedings of the 23rd Annual Symposium on Foundations of Computer Science, 1982

1977
Labolink: An Optically Linked Laboratory Computer Network.
Computer, 1977


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