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題名 熱帶亞純函數及其在差分方程之應用
Tropical Meromorphic Functions and Their Application on Difference Equations
作者 陳亮
Chen, Liang
貢獻者 蔡炎龍
Tsai, Yen Lung
陳亮
Chen, Liang
關鍵詞 熱帶幾何
熱帶多項式
熱帶亞純函數
熱帶週期函數
tropical geometry
tropical polynomial
tropical meromorphic function
tropical periodic function
日期 2010
上傳時間 5-十月-2011 16:18:29 (UTC+8)
摘要 在這篇論文中,一個熱帶亞純函數(tropical meromorphic function)若給定有限個零根(roots)與極點(poles)還有它們的重數(multiplicities),我們證明了這個熱帶亞純函數的存在與唯一性。另外,一個熱帶週期函數(tropical periodic function)若給定一個週期區間內的有限個零根與極點還有它們的重數,我們也找到了這個熱帶週期函數的一個簡單表達式。接著,給定一個一階線性差分方程(first-order linear difference equation),我們討論了各種情況下的所有熱帶亞純函數解的表達式。最後,對於連續函數我們提供了一個它的熱帶近似函數,希望對於解差分方程的熱帶亞純函數解時能有所助益。
In this thesis, we find the formula of tropical meromorphic function by giving finite number of roots and poles (with multiplicities). We also find a simple formula for tropical periodic function by giving finite number of roots and poles (with multiplicities) during a period [0,T). We then discuss all cases of the tropical meromorphic solution functions of first-order linear difference equation. At last, we provide a tropical approximated function of a given continuous function. We hope it is helpful in solving the tropical meromorphic solution functions of a given difference equation.
參考文獻 Bibliography
[1] Nathan Grigg. Factorization of tropical polynomials in one and several variables. Honor`s thesis,Brigham Young University, 2007.
[2] Nathan Grigg and Nathan Manwaring. An elementary proof of the fundamental theorem of tropical algebra. arXiv:math.CO/0707.2591, 2008.
[3] Rodney G. Halburd and Neil J. Southall. Tropical nevanlinna theory and ultradiscrete equations. Int. Math. Res. Not. IMRN, (5):887{911, 2009.
[4] Ilpo Laine and Kazuya Tohge. Tropical nevanlinna theory and second main theorem. ArXiv e-prints, October 2009.
[5] Diane Maclagan and Bernd Sturmfels. Introduction to tropical geometry. 2009.
[6] Jurgen Richter-Gebert, Bernd Sturmfels, and Thorsten Theobald. First steps in tropical geometry. ArXiv e-prints:math/0306366, 2003.
[7] David Speyer and Bernd Sturmfels. Tropical mathematics. ArXiv e-prints:math/0408099, 2004.
[8] Yen-Lung Tsai. Working with tropical meromorphic functions of one variable. ArXiv e-prints, January 2011.
描述 碩士
國立政治大學
應用數學研究所
97751005
99
資料來源 http://thesis.lib.nccu.edu.tw/record/#G0097751005
資料類型 thesis
dc.contributor.advisor 蔡炎龍zh_TW
dc.contributor.advisor Tsai, Yen Lungen_US
dc.contributor.author (作者) 陳亮zh_TW
dc.contributor.author (作者) Chen, Liangen_US
dc.creator (作者) 陳亮zh_TW
dc.creator (作者) Chen, Liangen_US
dc.date (日期) 2010en_US
dc.date.accessioned 5-十月-2011 16:18:29 (UTC+8)-
dc.date.available 5-十月-2011 16:18:29 (UTC+8)-
dc.date.issued (上傳時間) 5-十月-2011 16:18:29 (UTC+8)-
dc.identifier (其他 識別碼) G0097751005en_US
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/51470-
dc.description (描述) 碩士zh_TW
dc.description (描述) 國立政治大學zh_TW
dc.description (描述) 應用數學研究所zh_TW
dc.description (描述) 97751005zh_TW
dc.description (描述) 99zh_TW
dc.description.abstract (摘要) 在這篇論文中,一個熱帶亞純函數(tropical meromorphic function)若給定有限個零根(roots)與極點(poles)還有它們的重數(multiplicities),我們證明了這個熱帶亞純函數的存在與唯一性。另外,一個熱帶週期函數(tropical periodic function)若給定一個週期區間內的有限個零根與極點還有它們的重數,我們也找到了這個熱帶週期函數的一個簡單表達式。接著,給定一個一階線性差分方程(first-order linear difference equation),我們討論了各種情況下的所有熱帶亞純函數解的表達式。最後,對於連續函數我們提供了一個它的熱帶近似函數,希望對於解差分方程的熱帶亞純函數解時能有所助益。zh_TW
dc.description.abstract (摘要) In this thesis, we find the formula of tropical meromorphic function by giving finite number of roots and poles (with multiplicities). We also find a simple formula for tropical periodic function by giving finite number of roots and poles (with multiplicities) during a period [0,T). We then discuss all cases of the tropical meromorphic solution functions of first-order linear difference equation. At last, we provide a tropical approximated function of a given continuous function. We hope it is helpful in solving the tropical meromorphic solution functions of a given difference equation.en_US
dc.description.tableofcontents 1 Introduction 2
2 Background 4
2.1 Arithmetic . . . . . . . . . . . . . . . . . . . . 4
2.2 Some Equalities and Inequalities . . . . . . . . . 5
3 Tropical Meromorphic Functions 7
3.1 Tropical Polynomials in One Variable . . . . . . . 8
3.2 Tropical Meromorphic Functions . . . . . . . . . . 10
3.3 Extended Tropical Meromorphic Functions . . . . . 18
4 Tropical Periodic Functions 22
4.1 Generating Functions of Tropical Periodic Functions 23
4.2 R-linear Combination of Tropical 1-Periodic Functions 25
4.3 R-linear Combination of Tropical T-Periodic Functions 29
5 Application on Di erence Equations 35
5.1 Tropical Counterpart to The Exponential Function 36
5.2 Application on Di erence Equations: First Order 38
5.3 Tropical Approximated Function . . . . . . . . . . 42
zh_TW
dc.language.iso en_US-
dc.source.uri (資料來源) http://thesis.lib.nccu.edu.tw/record/#G0097751005en_US
dc.subject (關鍵詞) 熱帶幾何zh_TW
dc.subject (關鍵詞) 熱帶多項式zh_TW
dc.subject (關鍵詞) 熱帶亞純函數zh_TW
dc.subject (關鍵詞) 熱帶週期函數zh_TW
dc.subject (關鍵詞) tropical geometryen_US
dc.subject (關鍵詞) tropical polynomialen_US
dc.subject (關鍵詞) tropical meromorphic functionen_US
dc.subject (關鍵詞) tropical periodic functionen_US
dc.title (題名) 熱帶亞純函數及其在差分方程之應用zh_TW
dc.title (題名) Tropical Meromorphic Functions and Their Application on Difference Equationsen_US
dc.type (資料類型) thesisen
dc.relation.reference (參考文獻) Bibliographyzh_TW
dc.relation.reference (參考文獻) [1] Nathan Grigg. Factorization of tropical polynomials in one and several variables. Honor`s thesis,Brigham Young University, 2007.zh_TW
dc.relation.reference (參考文獻) [2] Nathan Grigg and Nathan Manwaring. An elementary proof of the fundamental theorem of tropical algebra. arXiv:math.CO/0707.2591, 2008.zh_TW
dc.relation.reference (參考文獻) [3] Rodney G. Halburd and Neil J. Southall. Tropical nevanlinna theory and ultradiscrete equations. Int. Math. Res. Not. IMRN, (5):887{911, 2009.zh_TW
dc.relation.reference (參考文獻) [4] Ilpo Laine and Kazuya Tohge. Tropical nevanlinna theory and second main theorem. ArXiv e-prints, October 2009.zh_TW
dc.relation.reference (參考文獻) [5] Diane Maclagan and Bernd Sturmfels. Introduction to tropical geometry. 2009.zh_TW
dc.relation.reference (參考文獻) [6] Jurgen Richter-Gebert, Bernd Sturmfels, and Thorsten Theobald. First steps in tropical geometry. ArXiv e-prints:math/0306366, 2003.zh_TW
dc.relation.reference (參考文獻) [7] David Speyer and Bernd Sturmfels. Tropical mathematics. ArXiv e-prints:math/0408099, 2004.zh_TW
dc.relation.reference (參考文獻) [8] Yen-Lung Tsai. Working with tropical meromorphic functions of one variable. ArXiv e-prints, January 2011.zh_TW