Kazuhiro Yokoyama

Publication Activity (10 Years)

Years Active: 1988-2024
Publications (10 Years): 21

Top Topics

Numerically Stable

Efficient Computation

Statistical Analysis

Top Venues

J. Math. Cryptol.

IACR Cryptol. ePrint Arch.

Publications

Momonari Kudo, Kazuhiro Yokoyama
The solving degrees for computing Gröbner bases of affine semi-regular polynomial sequences. IACR Cryptol. ePrint Arch. 2024 (2024)
Momonari Kudo, Kazuhiro Yokoyama
The solving degrees for computing Gröbner bases of affine semi-regular polynomial sequences. CoRR (2024)
Momonari Kudo, Kazuhiro Yokoyama
On Hilbert-Poincaré series of affine semi-regular polynomial sequences and related Gröbner bases. CoRR (2024)
Momonari Kudo, Kazuhiro Yokoyama
On Hilbert-Poincaré series of affine semi-regular polynomial sequences and related Gröbner bases. IACR Cryptol. ePrint Arch. 2024 (2024)
Hiroshi Kera, Yuki Ishihara, Yuta Kambe, Tristan Vaccon, Kazuhiro Yokoyama
Learning to Compute Gröbner Bases. CoRR (2023)
Yuta Kambe, Yusuke Aikawa, Momonari Kudo, Masaya Yasuda, Katsuyuki Takashima, Kazuhiro Yokoyama
Implementation Report of the Kohel-Lauter-Petit-Tignol Algorithm for the Constructive Deuring Correspondence. ICMC (2021)
Yasushi Takahashi, Momonari Kudo, Ryoya Fukasaku, Yasuhiko Ikematsu, Masaya Yasuda, Kazuhiro Yokoyama
Algebraic approaches for solving isogeny problems of prime power degrees. J. Math. Cryptol. 15 (1) (2021)
Tristan Vaccon, Thibaut Verron, Kazuhiro Yokoyama
On affine tropical F5 algorithms. J. Symb. Comput. 102 (2021)
Kazuhiro Yokoyama, Masaya Yasuda, Yasushi Takahashi, Jun Kogure
Complexity bounds on Semaev's naive index calculus method for ECDLP. J. Math. Cryptol. 14 (1) (2020)
Yuki Ishihara, Kazuhiro Yokoyama
Effective Localization Using Double Ideal Quotient and Its Implementation. CoRR (2020)
Yasuhiko Ikematsu, Ryoya Fukasaku, Momonari Kudo, Masaya Yasuda, Katsuyuki Takashima, Kazuhiro Yokoyama
Hybrid Meet-in-the-Middle Attacks for the Isogeny Path-Finding Problem. APKC@AsiaCCS (2020)
Yuki Ishihara, Tristan Vaccon, Kazuhiro Yokoyama
On FGLM algorithms with tropical Gröbner bases. ISSAC (2020)
Yuki Ishihara, Tristan Vaccon, Kazuhiro Yokoyama
On FGLM Algorithms with Tropical Gröbner bases. CoRR (2020)
Yuki Ishihara, Kazuhiro Yokoyama
Effective Localization Using Double Ideal Quotient and Its Implementation. CASC (2018)
Masayuki Noro, Kazuhiro Yokoyama
Usage of Modular Techniques for Efficient Computation of Ideal Operations. Math. Comput. Sci. 12 (1) (2018)
Tristan Vaccon, Thibaut Verron, Kazuhiro Yokoyama
On Affine Tropical F5 Algorithms. ISSAC (2018)
Tristan Vaccon, Thibaut Verron, Kazuhiro Yokoyama
On Affine Tropical F5 Algorithms. CoRR (2018)
Tristan Vaccon, Kazuhiro Yokoyama
A Tropical F5 algorithm. CoRR (2017)
Kazuhiro Yokoyama
Special issue on the conference ISSAC 2015: Symbolic computation and computer algebra. J. Symb. Comput. 83 (2017)
Masaya Yasuda, Kazuhiro Yokoyama, Takeshi Shimoyama, Jun Kogure, Takeshi Koshiba
Analysis of decreasing squared-sum of Gram-Schmidt lengths for short lattice vectors. J. Math. Cryptol. 11 (1) (2017)
Tristan Vaccon, Kazuhiro Yokoyama
A Tropical F5 Algorithm. ISSAC (2017)
Masaya Yasuda, Takeshi Shimoyama, Jun Kogure, Kazuhiro Yokoyama, Takeshi Koshiba
New packing method in somewhat homomorphic encryption and its applications. Secur. Commun. Networks 8 (13) (2015)
Masaya Yasuda, Takeshi Shimoyama, Jun Kogure, Kazuhiro Yokoyama, Takeshi Koshiba
Secure Statistical Analysis Using RLWE-Based Homomorphic Encryption. ACISP (2015)
Masaya Yasuda, Takeshi Koshiba, Takeshi Shimoyama, Jun Kogure, Kazuhiro Yokoyama
Secure Data Devolution: Practical Re-encryption with Auxiliary Data in LWE-based Somewhat Homomorphic Encryption. SCC@ASIACCS (2015)
Masaya Yasuda, Kazuhiro Yokoyama, Takeshi Shimoyama, Jun Kogure, Takeshi Koshiba
On the exact decryption range for Gentry-Halevi's implementation of fully homomorphic encryption. J. Math. Cryptol. 8 (3) (2014)
Masaya Yasuda, Takeshi Shimoyama, Jun Kogure, Kazuhiro Yokoyama, Takeshi Koshiba
Privacy-Preserving Wildcards Pattern Matching Using Symmetric Somewhat Homomorphic Encryption. ACISP (2014)
Masayuki Noro, Kazuhiro Yokoyama
Verification of Gröbner Basis Candidates. ICMS (2014)
Masaya Yasuda, Takeshi Shimoyama, Jun Kogure, Kazuhiro Yokoyama, Takeshi Koshiba
Practical Packing Method in Somewhat Homomorphic Encryption. DPM/SETOP (2013)
Hidenao Iwane, Hitoshi Yanami, Hirokazu Anai, Kazuhiro Yokoyama
An effective implementation of symbolic-numeric cylindrical algebraic decomposition for quantifier elimination. Theor. Comput. Sci. 479 (2013)
Masaya Yasuda, Takeshi Shimoyama, Jun Kogure, Kazuhiro Yokoyama, Takeshi Koshiba
Secure pattern matching using somewhat homomorphic encryption. CCSW (2013)
Masaya Yasuda, Takeshi Shimoyama, Jun Kogure, Kazuhiro Yokoyama, Takeshi Koshiba
Packed Homomorphic Encryption Based on Ideal Lattices and Its Application to Biometrics. CD-ARES Workshops (2013)
Kazuhiro Yokoyama
Usage of Modular Techniques for Efficient Computation of Ideal Operations - (Invited Talk). CASC (2012)
Sébastien Orange, Guénaël Renault, Kazuhiro Yokoyama
Efficient Arithmetic in Successive Algebraic Extension Fields Using Symmetries. Math. Comput. Sci. 6 (3) (2012)
Takeshi Osoekawa, Yuji Mochizuki, Kazuhiro Yokoyama
Development of QC2AS - A Computer Algebra System for Symbolic Quantum Chemical Computations. ICCSA Workshops (2011)
Silvia Gandy, Masaaki Kanno, Hirokazu Anai, Kazuhiro Yokoyama
Optimizing a Particular Real Root of a Polynomial by a Special Cylindrical Algebraic Decomposition. Math. Comput. Sci. 5 (2) (2011)
Takeshi Osoekawa, Naoyuki Shinohara, Yuji Mochizuki, Kazuhiro Yokoyama
Gröbner Basis Technique for Algebraic Formulas in Electron Correlation Theories. ICCSA Workshops (2010)
Hirokazu Anai, Shinji Hara, Masaaki Kanno, Kazuhiro Yokoyama
Parametric polynomial spectral factorization using the sum of roots and its application to a control design problem. J. Symb. Comput. 44 (7) (2009)
Masaaki Kanno, Kazuhiro Yokoyama, Hirokazu Anai, Shinji Hara
Solution of algebraic riccati equations using the sum of roots. ISSAC (2009)
Sébastien Orange, Guénaël Renault, Kazuhiro Yokoyama
Computation schemes for splitting fields of polynomials. ISSAC (2009)
Hidenao Iwane, Hitoshi Yanami, Hirokazu Anai, Kazuhiro Yokoyama
An effective implementation of a symbolic-numeric cylindrical algebraic decomposition for quantifier elimination. SNC (2009)
Masaaki Kanno, Kazuhiro Yokoyama, Hirokazu Anai, Shinji Hara
Symbolic optimization of algebraic functions. ISSAC (2008)
Guénaël Renault, Kazuhiro Yokoyama
Multi-modular algorithm for computing the splitting field of a polynomial. ISSAC (2008)
Masaaki Kanno, Kazuhiro Yokoyama, Hirokazu Anai
Solution of the algebraic riccati equation using the sum of roots. ACM Commun. Comput. Algebra 42 (3) (2008)
Kazuhiro Yokoyama
On systems of algebraic equations with parametric exponents II. Appl. Algebra Eng. Commun. Comput. 18 (6) (2007)
Masaaki Kanno, Shinji Hara, Hirokazu Anai, Kazuhiro Yokoyama
Sum of roots, polynomial spectral factorization, and control performance limitations. CDC (2007)
Masaaki Kanno, Kazuhiro Yokoyama, Hirokazu Anai, Shinji Hara
Parametric optimization in control using the sum of roots for parametric polynomial spectral factorization. ISSAC (2007)
Kazuhiro Yokoyama
Stability of Parametric Decomposition. ICMS (2006)
Masaaki Kanno, Hirokazu Anai, Kazuhiro Yokoyama
On the Relationship Between the Sum of Roots with Positive Real Parts and Polynomial Spectral Factorization. Numerical Methods and Applications (2006)
Guénaël Renault, Kazuhiro Yokoyama
A Modular Method for Computing the Splitting Field of a Polynomial. ANTS (2006)
Hirokazu Anai, Shinji Hara, Kazuhiro Yokoyama
Sum of roots with positive real parts. ISSAC (2005)
Hirokazu Anai, Kazuhiro Yokoyama
Cylindrical Algebraic Decomposition via Numerical Computation with Validated Symbolic Reconstruction. Algorithmic Algebra and Logic (2005)
Masayuki Noro, Kazuhiro Yokoyama
Implementation of prime decomposition of polynomial ideals over small finite fields. J. Symb. Comput. 38 (4) (2004)
Kazuhiro Yokoyama
On systems of algebraic equations with parametric exponents. ISSAC (2004)
Masayuki Noro, Kazuhiro Yokoyama
Implementation of prime decomposition of polynomial ideals over small finite fields. SIGSAM Bull. 37 (3) (2003)
Masayuki Noro, Kazuhiro Yokoyama
Yet another practical implementation of polynomial factorization over finite fields. ISSAC (2002)
Takeshi Shimoyama, Hitoshi Yanami, Kazuhiro Yokoyama, Masahiko Takenaka, Kouichi Itoh, Jun Yajima, Naoya Torii, Hidema Tanaka
The Block Cipher SC2000. FSE (2001)
B. Heinrich Matzat, John McKay, Kazuhiro Yokoyama
Special Issue on Algorithmic Methods in Galois Theory - Foreword of the Guest Editors. J. Symb. Comput. 30 (6) (2000)
Tetsuya Izu, Jun Kogure, Kazuhiro Yokoyama
Efficient Implementation of Schoof's Algorithm in Case of Characteristic 2. Public Key Cryptography (2000)
Masayuki Noro, Kazuhiro Yokoyama
A Modular Method to Compute the Rational Univariate Representation of Zero-dimensional Ideals. J. Symb. Comput. 28 (1-2) (1999)
Tetsuya Izu, Jun Kogure, Masayuki Noro, Kazuhiro Yokoyama
Parameters for Secure Elliptic Curve Cryptosystem - Improvements on Schoof's Algorithm. Public Key Cryptography (1998)
Tetsuya Izu, Jun Kogure, Masayuki Noro, Kazuhiro Yokoyama
Efficient Implementation of Schoof's Algorithm. ASIACRYPT (1998)
Takeshi Shimoyama, Kazuhiro Yokoyama
Localization and Primary Decomposition of Polynomial Ideals. J. Symb. Comput. 22 (3) (1996)
Kazuhiro Yokoyama, Ziming Li, István Nemes
Finding Roots of Unity Among Quotients of the Roots of an Integral Polynomial. ISSAC (1995)
Kazuhiro Yokoyama, Masayuki Noro, Taku Takeshima
Multi-Modular Approach to Polynomial-Time Factorization of Bivariate Integral Polynomials. J. Symb. Comput. 17 (6) (1994)
Kazuhiro Yokoyama, Taku Takeshima
On Hensel Construction of Eigenvalues and Eigenvectors of Matrices with Polynomial Entries. ISSAC (1993)
Kazuhiro Yokoyama
On distance transitive graphs whose automorphism groups are affine. J. Comb. Theory, Ser. B 55 (2) (1992)
Kazuhiro Yokoyama, Masayuki Noro, Taku Takeshima
Solutions of Systems of Algebraic Equations and Linear Maps on Residue Class Rings. J. Symb. Comput. 14 (4) (1992)
Kazuhiro Yokoyama, Masayuki Noro, Taku Takeshima
On Determining the Solvability of Polynomials. ISSAC (1990)
Kazuhiro Yokoyama, Masayuki Noro, Taku Takeshima
On Factoring Multi-Variate Polynomials over Algebraically Closed Fields (abstract). ISSAC (1990)
Kazuhiro Yokoyama, Masayuki Noro, Taku Takeshima
Computing Primitive Elements of Extension Fields. J. Symb. Comput. 8 (6) (1989)
Kazuhiro Yokoyama
On Distance Transitive Graphs in Which the Stabilizer of a Point Contains an Alternating Group. Eur. J. Comb. 9 (4) (1988)