Modular forms and two new integer sequences at level 7 : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Mathematics at Massey University, Albany, New Zealand
dc.contributor.author | O'Brien, Lynette Anne | |
dc.date.accessioned | 2017-06-06T01:08:55Z | |
dc.date.available | 2017-06-06T01:08:55Z | |
dc.date.issued | 2016 | |
dc.description.abstract | Integer sequences resulting from recurrence relations with polynomial coefficients are rare. Two new integer sequences have been discovered and are the main result in this thesis. They consist of a three-term quadratic recurrence (n+1)²c₇(n+1) = (26n² + 13n + 2)c₇(n) + 3(2n - 2)c₇(n-1) with initial conditions c₇(-1) = 0 and c₇(0) = 1, and a five-term quartic recurrence (n + 1)⁴u₇(n + 1) = -Pu₇(n) - Qu₇(n - 1) - Ru₇(n-2) - Su₇(n - 3) where P = 26n⁴ + 52n³+ 58n² + 32n + 7, Q = 267n⁴ + 268n² + 18, R = 1274n⁴ - 2548n³ + 2842n² - 1568n + 343, S = 2401(n - 1)⁴ with initial conditions u₇(0) = 1 and u₇(-1) = u₇(-2) = u₇(-3) = 0. The experimental procedure used in their discovery utilizes the mathematical software Maple. Proofs are given that rely on the theory of modular forms for level 7, Ramanujan's Eisenstein series, theta functions and Euler products. Di erential equations associated with theta functions are solved to reveal these recurrence relations. Interesting properties are investigated including an analogue of Clausen's identity, asymptotic behaviour of the sequences and nally two conjectures for congruence properties are given. | en_US |
dc.identifier.uri | http://hdl.handle.net/10179/11137 | |
dc.language.iso | en | en_US |
dc.publisher | Massey University | en_US |
dc.rights | The Author | en_US |
dc.subject | Forms, Modular | en_US |
dc.subject | Sequences (Mathematics) | en_US |
dc.subject | Research Subject Categories::MATHEMATICS | en_US |
dc.title | Modular forms and two new integer sequences at level 7 : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Mathematics at Massey University, Albany, New Zealand | en_US |
dc.type | Thesis | en_US |
massey.contributor.author | O'Brien, Lynette Anne | en_US |
thesis.degree.discipline | Mathematics | en_US |
thesis.degree.grantor | Massey University | en_US |
thesis.degree.level | Masters | en_US |
thesis.degree.name | Master of Science (MSc) | en_US |
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