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Author ID: sekigawa.hiroshi Recent zbMATH articles by "Sekigawa, Hiroshi"
Published as: Sekigawa, Hiroshi; Sekikawa, Hiroshi

Publications by Year

Citations contained in zbMATH Open

17 Publications have been cited 45 times in 27 Documents Cited by Year
The nearest polynomial with a zero in a given domain. Zbl 1156.65046
Sekigawa, Hiroshi
6
2008
On the location of zero of an interval polynomial. Zbl 1117.12001
Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
5
2007
On searching for solutions of the diophantine equation \(x^ 3+y^ 3+z^ 3=n\). Zbl 0880.11028
Koyama, Kenji; Tsuruoka, Yukio; Sekigawa, Hiroshi
5
1997
Locating real multiple zeros of a real interval polynomial. Zbl 1356.65128
Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
5
2006
The nearest polynomial to multiple given polynomials with a given zero. Zbl 1345.68295
Sekigawa, Hiroshi
5
2014
The ratio between the Toeplitz and the unstructured condition number. Zbl 1203.15004
Rump, Siegfried M.; Sekigawa, Hiroshi
4
2010
Computing the nearest polynomial with a zero in a given domain by using piecewise rational functions. Zbl 1252.65088
Sekigawa, Hiroshi
2
2011
The nearest polynomial to multiple given polynomials with a given zero in the real case. Zbl 1375.65069
Sekigawa, Hiroshi
2
2017
Quantum Fourier transform over symmetric groups. Zbl 1360.81111
Kawano, Yasuhito; Sekigawa, Hiroshi
2
2013
On continuity of the roots of a parametric zero dimensional multivariate polynomial ideal. Zbl 1467.13053
Sato, Yosuke; Fukasaku, Ryoya; Sekigawa, Hiroshi
2
2018
On the location of pseudozeros of a complex interval polynomial. Zbl 1140.12001
Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
1
2007
Nonexistence conditions of a solution for the congruence \(x_1^k+\cdots+x_s^k\equiv N\pmod{p^n}\). Zbl 0924.11025
Sekigawa, Hiroshi; Koyama, Kenji
1
1999
Minimum converging precision of the QR-factorization algorithm for real polynomial GCD. Zbl 1190.65068
Khungurn, Pramook; Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
1
2007
On real factors of real interval polynomials. Zbl 1190.68094
Sekigawa, Hiroshi
1
2007
A new Gröbner basis conversion method based on stabilization techniques. Zbl 1181.68329
Shirayanagi, Kiyoshi; Sekigawa, Hiroshi
1
2008
Quantum Fourier transform over symmetric groups – improved result. Zbl 1332.81032
Kawano, Yasuhito; Sekigawa, Hiroshi
1
2016
Reducing exact computations to obtain exact results based on stabilization techniques. Zbl 1356.68295
Shirayanagi, Kiyoshi; Sekigawa, Hiroshi
1
2009
On continuity of the roots of a parametric zero dimensional multivariate polynomial ideal. Zbl 1467.13053
Sato, Yosuke; Fukasaku, Ryoya; Sekigawa, Hiroshi
2
2018
The nearest polynomial to multiple given polynomials with a given zero in the real case. Zbl 1375.65069
Sekigawa, Hiroshi
2
2017
Quantum Fourier transform over symmetric groups – improved result. Zbl 1332.81032
Kawano, Yasuhito; Sekigawa, Hiroshi
1
2016
The nearest polynomial to multiple given polynomials with a given zero. Zbl 1345.68295
Sekigawa, Hiroshi
5
2014
Quantum Fourier transform over symmetric groups. Zbl 1360.81111
Kawano, Yasuhito; Sekigawa, Hiroshi
2
2013
Computing the nearest polynomial with a zero in a given domain by using piecewise rational functions. Zbl 1252.65088
Sekigawa, Hiroshi
2
2011
The ratio between the Toeplitz and the unstructured condition number. Zbl 1203.15004
Rump, Siegfried M.; Sekigawa, Hiroshi
4
2010
Reducing exact computations to obtain exact results based on stabilization techniques. Zbl 1356.68295
Shirayanagi, Kiyoshi; Sekigawa, Hiroshi
1
2009
The nearest polynomial with a zero in a given domain. Zbl 1156.65046
Sekigawa, Hiroshi
6
2008
A new Gröbner basis conversion method based on stabilization techniques. Zbl 1181.68329
Shirayanagi, Kiyoshi; Sekigawa, Hiroshi
1
2008
On the location of zero of an interval polynomial. Zbl 1117.12001
Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
5
2007
On the location of pseudozeros of a complex interval polynomial. Zbl 1140.12001
Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
1
2007
Minimum converging precision of the QR-factorization algorithm for real polynomial GCD. Zbl 1190.65068
Khungurn, Pramook; Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
1
2007
On real factors of real interval polynomials. Zbl 1190.68094
Sekigawa, Hiroshi
1
2007
Locating real multiple zeros of a real interval polynomial. Zbl 1356.65128
Sekigawa, Hiroshi; Shirayanagi, Kiyoshi
5
2006
Nonexistence conditions of a solution for the congruence \(x_1^k+\cdots+x_s^k\equiv N\pmod{p^n}\). Zbl 0924.11025
Sekigawa, Hiroshi; Koyama, Kenji
1
1999
On searching for solutions of the diophantine equation \(x^ 3+y^ 3+z^ 3=n\). Zbl 0880.11028
Koyama, Kenji; Tsuruoka, Yukio; Sekigawa, Hiroshi
5
1997

Citations by Year