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Title: On the zeros of a quaternionic polynomial: An extension of the Eneström-Kakeya theorem (English)
Author: Mir, Abdullah
Language: English
Journal: Czechoslovak Mathematical Journal
ISSN: 0011-4642 (print)
ISSN: 1572-9141 (online)
Volume: 73
Issue: 3
Year: 2023
Pages: 649-662
Summary lang: English
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Category: math
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Summary: We present some results on the location of zeros of regular polynomials of a quaternionic variable. We derive new bounds of Eneström-Kakeya type for the zeros of these polynomials by virtue of a maximum modulus theorem and the structure of the zero sets of a regular product established in the newly developed theory of regular functions and polynomials of a quaternionic variable. Our results extend some classical results from complex to the quaternionic setting as well. (English)
Keyword: quaternionic polynomial
Keyword: Eneström-Kakeya theorem
Keyword: zero-sets of a regular product
MSC: 16K20
MSC: 30E10
MSC: 30G35
idZBL: Zbl 07729530
idMR: MR4632850
DOI: 10.21136/CMJ.2023.0097-22
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Date available: 2023-08-11T14:19:12Z
Last updated: 2023-09-13
Stable URL: http://hdl.handle.net/10338.dmlcz/151766
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Reference: [1] Carney, N., Gardner, R., Keaton, R., Powers, A.: The Eneström-Kakeya theorem for polynomials of a quaternionic variable.J. Approx. Theory 250 (2020), Article ID 105325, 10 pages. Zbl 1441.30070, MR 4035962, 10.1016/j.jat.2019.105325
Reference: [2] Coroianu, L., Gal, S. G.: On the inequalities of Turán, Bernstein and Erdős-Lax in quaternionic setting.Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115 (2021), Article ID 187, 20 pages. Zbl 1476.30158, MR 4311697, 10.1007/s13398-021-01126-z
Reference: [3] Cullen, C. G.: An integral theorem for analytic intrinsic functions on quaternions.Duke Math. J. 32 (1965), 139-148. Zbl 0173.09001, MR 0173012, 10.1215/S0012-7094-65-03212-6
Reference: [4] Gal, S. G., Sabadini, I.: On Bernstein and Erdős-Lax's inequalities for quaternionic polynomials.C. R., Math., Acad. Sci. Paris 353 (2015), 5-9. Zbl 1306.30020, MR 3285138, 10.1016/j.crma.2014.10.011
Reference: [5] Gentili, G., Stoppato, C.: Zeros of regular functions and polynomials of a quaternionic variable.Mich. Math. J. 56 (2008), 655-667. Zbl 1184.30048, MR 2490652, 10.1307/mmj/1231770366
Reference: [6] Gentili, G., Struppa, D. C.: A new theory of regular functions of a quaternionic variable.Adv. Math. 216 (2007), 279-301. Zbl 1124.30015, MR 2353257, 10.1016/j.aim.2007.05.010
Reference: [7] Gentili, G., Struppa, D. C.: On the multiplicity of zeroes of polynomials with quaternionic coefficients.Milan J. Math. 76 (2008), 15-25. Zbl 1194.30054, MR 2465984, 10.1007/s00032-008-0093-0
Reference: [8] Gentili, G., Struppa, D. C., Vlacci, F.: The fundamental theorem of algebra for Hamilton and Cayley numbers.Math. Z. 259 (2008), 895-902. Zbl 1144.30004, MR 2403747, 10.1007/s00209-007-0254-9
Reference: [9] Govil, N. K., Rahman, Q. I.: On the Eneström-Kakeya theorem.Tohoku Math. J., II. Ser. 20 (1968), 126-136. Zbl 0194.10201, MR 0231979, 10.2748/tmj/1178243172
Reference: [10] Joyal, A., Labelle, G., Rahman, Q. I.: On the location of zeros of polynomials.Can. Math. Bull. 10 (1967), 53-63. Zbl 0152.06102, MR 0213513, 10.4153/CMB-1967-006-3
Reference: [11] Lam, T. Y.: A First Course in Noncommutative Rings.Graduate Texts in Mathematics 131. Springer, New York (1991). Zbl 0728.16001, MR 1125071, 10.1007/978-1-4684-0406-7
Reference: [12] Marden, M.: Geometry of Polynomials.Mathematical Surveys 3. AMS, Providence (1966). Zbl 0162.37101, MR 0225972
Reference: [13] Milovanović, G. V., Mitrinović, D. S., Rassias, T. M.: Topics in Polynomials: Extremal Problems, Inequalities, Zeros.World Scientific, Singapore (1994). Zbl 0848.26001, MR 1298187, 10.1142/1284
Reference: [14] Niven, I.: Equations in quaternions.Am. Math. Mon. 48 (1941), 654-661. Zbl 0060.08002, MR 0006159, 10.1080/00029890.1941.11991158
Reference: [15] Niven, I.: The roots of a quaternion.Am. Math. Mon. 49 (1942), 386-388. Zbl 0061.01407, MR 0006980, 10.1080/00029890.1942.11991248
Reference: [16] Serôdio, R., Siu, L.-S.: Zeros of quaternion polynomials.Appl. Math. Lett. 14 (2001), 237-239. Zbl 0979.30030, MR 1808271, 10.1016/S0893-9659(00)00142-7
Reference: [17] Sudbery, A.: Quaternionic analysis.Math. Proc. Camb. Philos. Soc. 85 (1979), 199-225. Zbl 0399.30038, MR 0516081, 10.1017/S0305004100055638
Reference: [18] Tripathi, D.: A note on Eneström-Kakeya theorem for a polynomial with quaternionic variable.Arab. J. Math. 9 (2020), 707-714. Zbl 1452.30027, MR 4159749, 10.1007/s40065-020-00283-0
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