Mathematics Seminar

Trimester 1/2023-24

Talks are scheduled on Wednesdays from 4-5.00 pm (or upto 5.30 pm) in Room A402, 4th floor Aditayathorn building, Mahidol University International College, Salaya. For more information, please contact the organizer: Thotsaporn Thanatipanonda

• 13 September 2023,  Wayne Lawton (Siberian Federal University), An Explanation of Mellin’s 1921 Paper, Abstract, Paper, Mellin's orignal paper

• 20 September 2023,  Alex E. Kossovsky, Wayne Lawton (Siberian Federal University), The General Law of Relative Quantities and Benford's Law, Abstract, Ben1, Ben2, Ben3, Paper

• 27 September 2023,  Dmitry Berdinskiy (Mahidol University), String compression in finite automata presentable structures, Abstract ,

• 4 October 2023, Prapanpong Pongsriiam (Silpakorn University), Sign changes in the sums of divisors on arithmetic progressions

• 11 October 2023, Chatchawan panraksa(MUIC): A Dynamical System Proof of Niven’s Theorem and its Extensions, Abstract

• Thursday 19 October 2023, 2-3pm, Ruth Falconer (Abertay University, UK): Games Technology & Maths 

• 25 October 2023,  Pannapa Changpetch (Mahidol University), Integrating Data Mining Techniques:  An Example of a Logistic Regression Model Integrated with Treenet and Association Rules Analysis

• 1 November 2023,  Aram Tangboonduangjit (MUIC): Number theory

• 8 November 2023,  Archer Phillips: Binary trees &

Bhumrapee Soonjun + Adil Sheerazi (MUIC), Evaluation function of Chess for Human  

• 22 November 2023,  Chanun Lewchalermvong (Mahidol University), On Internally 4-Connected Matroids and Graphs

• 29 November 2023, Takao Komatsu (Zhejiang Sci-Tech University), Number theory

Trimester 3/2022-23

Talks are scheduled on Wednesdays from 4-5.00 pm in Building 1, room 1315. For more information, please contact the organizer: Pornrat Ruengrot

• 10 May 2023,  Wayne Lawton (Siberian Federal University),  Dynamics of Refinable Functions of Hyperbolic Type,  Abstract, Slides

• 24 May 2023, Thotsaporn Thanatipanonda (MUIC),  The Kahn–Kalai conjecture in random graph theory,    Abstract , Slides

• 31 May 2023, Nattapong Bosuwan (Mahidol University), Rate of Pole Detection Using Pad´e Approximants to Polynomial Expansions ,   Abstract, Slides

• 7 June 2023, Sawian Jaidee (Khon Kaen University), Counting closed orbits of Toral automorphisms,   Abstract, Slides

• 14 June 2023, Aram Tangboonduangjit (MUIC), On Pisot-Vijayaraghavan Numbers, Abstract, Slides

• 21 June 2023, Pornrat Ruengrot (MUIC), Classification of k-defect holes on a graphene sheet,    Abstract, Slides

• 28 June 2023, Brian Hopkins (Saint Peter's University), Fixed Points of Integer Partitions,  Abstract, Slides

Trimester 3/2021-22

Talks are scheduled on Wednesday from 4-5 pm at room A401 (if on-site). For more information, please contact the organizer: Thotsaporn Thanatipanonda    (thotsaporn@gmail.com)

• 25 May (On-site), Alexander Lyapin (Fairmont State University, USA), Recurrence relations for the sections of the generating series of the solution to the multidimensional difference equation, Abstract, Slides

• 8 June (On-site), Brian Hopkins (Saint Peters University), Hands-on Combinatorics, Abstract, Slides

• 15 June (Zoom), Sampan Nettayanun (Naresuan University), Financial planning and factor investing, Abstract

• 29 June (On-site), Tipaluck Krityakierne (Mahidol University), The Mathematics of Card Guessing Game, Poster, Slides

• 6 July (On-site/ Zoom), Chatchawan Panraksa (MUIC), Uniform Boundedness for Preperiodic Points of Unicritical Polynomials, Abstract

Trimester 2/2021-22

For more information, please contact the organizer: Pornrat Ruengrot

•  25 Mar 2022, Wasakorn Laesanklang (Mahidol University), Electric vehicle routing problem: challenges toward the green mobility, Poster, Recording

• 1 Apr 2022, Sanyapong Petchrompo (Mahidol University), Data-driven approaches to multi-objective optimization, Poster, Recording

• 8 Apr 2022, Nithi Rungtanapirom (Chulalongkorn University), Groups acting on trees, Poster Recording

Trimester 2/2020-21 

[Cancelled due to the shaky situation of pandemic]

Talks are scheduled on every Wednesday from 4-5 pm at room A401, Aditayathorn building, Mahidol University International College, Salaya Campus. For more information, please contact the organizer: Thotsaporn Thanatipanonda (thotsaporn@gmail.com)

• Chatchawan Panraksa (MUIC), On Moser's Worm Problem, Abstract 

• Thotsaporn Thanatipanonda (MUIC), Break Only Game 

• Somphong Jitman (Silpakorn University), Hulls of Linear Codes and Their Applications  

• Saeid Zahmatkesh (King Mongkut's University), Crossed products by left LCM semigroups  

• Chanun Lewchalermvong (Mahidol University), Fire Fighter Problem 

• Michael Allen (Mahidol University), Combinatorial proof of new connections between the Fibonacci numbers cubed and Pell numbers 

• Aram Tangboonduangjit (MUIC), TBD

• Pornrat Ruengrot (MUIC), TBD

• Prapanpong Pongsriiam (Silpakorn University), TBD

• Dmitry Berdinsky (Mahidol University), Finite automata presentations for groups  Z_n Cross_A Z  and its connection with Pell's equation 

Trimester 1/2019-20

Talks are scheduled on every Wednesday from 4-5 pm at room A415, Aditayathorn building, Mahidol University International College, Salaya Campus. For more information please contact the organizer: Pornrat Ruengrot

• 18 Sep 2019, Wayne Lawton, Value Distribution of Almost Periodic Functions, Spectral Factorization and Entire Functions, Abstract Slides

• 25 Sep 2019, Thotsaporn Thanatipanonda (MUIC), A Quantitative Study on Average Number of Spins of Two-Player Dreidel, Abstract,Slides

• 9 Oct 2019, Chatchawan Panraksa (MUIC), Number Theory in Function Fields, Abstract Slides

• 16 Oct 2019, Aram Tangboonduangjit (MUIC), Carlitz’s identity on the Bernoulli numbers, Abstract, Link to paper

• 30 Oct 2019, Parkpoom Phetpradap (Chiang Mai University), Stochastic volatility models, Abstract, Slides

• 6 Nov 2019, Przemo Kranz, Continuity and Differentiation, Abstract, Slides

• 13 Nov 2019, Laszlo Szalay (University of Sopron, Hungary), Integer exponential diophantine equations, Abstract, Slides

• 20 Nov 2019, Chanun Lewchalermvongs (MU), A game played on a traffic network, Abstract

• 27 Nov 2019, Wasakorn Laesanklang (MU), Vehicle Routing Problem for Current Real-World Applications, Abstract, Slides

• 4 Dec 2019, Brian Hopkins (Saint Peter's University), Rank, Crank, and Mex: New Connections Between Partition Statistics, Abstract, Slides

Trimester 3/2018-19

Talks are scheduled on every Wednesday from 4-5 (or up to 5:30) pm at room 1404 Building 1 (Old building), Mahidol University International College, Salaya Campus. For more information please contact the organizer: Thotsaporn Thanatipanonda (thotsaporn@gmail.com)

• 1 May 2019, Chatchawan Panraksa (MUIC), ABC Conjecture and Its Applications, Abstract, Slides

• 8 May 2019, Michael Allen (Mahidol University), Riordan Arrays, Abstract, Slides

• 15 May 2019, Brian Hopkins (Saint Peter's University), Counting in Austrian Solitaire, Abstract, Slides

• 22 May 2019, Chanun Lewchalermvongs (Mahidol University), Internally 4-connected {cube, V8}-free graphs, Abstract

• 29 May 2019, Aram Tangboonduangjit (MUIC), Uniform Distribution Modulo One, Abstract, Slides

• 5 June 2019, Somphong Jitman (Silpakorn University), SRIM and SCRIM Divisors of x^n-1 over Finite Fields and Their Applications in Coding Theory, Abstract, Slides

• 12 June 2019, Phongpitak Trakuldit (WorldQuant), Quantitative Finance and Introduction to WebSim, Abstract

• 19 June 2019,  Watthanan Jatuviriyapornchai (Mahidol University), Coarsening dynamics in inclusion processes and duality, Abstract, Slides

• 26 June 2019,  Saeid Zahmatkesh Komeleh (KMUTT), The Nica-Toeplitz algebras of abelian lattice-ordered groups, Abstract, Slides

• 3 July 2019, Pornrat Ruengrot (MUIC), Circulant Matrices, Abstract, Slides

• 10 July 2019, Dmitry Berdinsky (Mahidol University), ``Strange structures“ in 2– and 3–spaces or how to refine box–meshes, Abstract, Slides

Trimester 1/2018-19

Talks are scheduled on every Wednesday from 4-5 pm at Room A418, Aditayathorn building, Mahidol University International College, Salaya Campus. For more information please contact the organizer: Aram Tangboonduangjit

Date (2018)

• 19 September, Prapanpong Pongsriiam (Silpakorn University), Some Open and Elementary Problems in Number Theory, Abstract,Slides

• 26 September, Thotsaporn Thanatipanonda (MUIC), The On-Line Encyclopedia of Integer Sequences® (OEIS®), Abstract,Slides

• 3 October, Przemo Kranz, Extension Theorems of Analysis, Abstract,Slides

• 10 October, Aram Tangboonduangjit (MUIC), From Pólya to Chebyshev to Trigonometric Identities, Abstract,Slides

• 17 October, Kanat Tangwongsan (MUIC), Reducing Digraph Diameter Through Sparse Shortcuts, Abstract,Slides

• 24 October, Wasakorn Laesanklang (Mahidol University), Workforce Scheduling and Routing Problem and Its Solution, Abstract,Slides

• 31 October, Shanta Laishram (Indian Statistical Institute), Perfect Powers in Binary Recurrence Sequences, Abstract,Slides

• 7 November, Azizul Hoque, Kalyan Chakraborty (Harish-Chandra Research Institute), Real Quadratic Fields with Class Numbers 1, 2 and 3;, Beta Transform – Some Interesting Applications, Abstract1,Slides1, Abstract2,Slides2

• 14 November, Detchat Samart (Burapha University), Introduction to Mahler measure, Abstract,Slides

• 21 November, Pornrat Ruengrot (MUIC), On a Function Constant on the Unit Circle, Abstract,Slides

• 28 November, Chee Yap (NYU), On u-Symmetric Polynomials and D-plus Root Function, Abstract,Slides,Readings

Trimester 3/2017-18

Talks are scheduled on every Wednesday from 4-5 pm at Room 1503, the main building, Mahidol University International College, Salaya Campus. For more information please contact the organizer: Pornrat Ruengrot

• 2 May 2018, Chatchawan Panraksa (MUIC), On Billiard Problem, Abstract

• 9 May 2018, Duangkamol Baowan (Mahidol University), Mathematical methods on atomic force microscope cantilever systems, Abstract

• 16 May 2018, Michael Allen (Mahidol University), Combinatorial proof of Fibonacci number identities using fence tilings, Abstract

• 23 May 2018, Ho Hon Lueng (United Arab Emirates University), Maximal commutative subalgebras of Grassmann algebra, Abstract, Slides

• 30 May 2018, Aram Tangboonduangjit (MUIC), Fibonacci-Producing Rational Polynomials, Abstract

• 6 June 2018, Thotsaporn Thanatipanonda (MUIC), Boolean Function and Covering Systems, Abstract

• 13 June 2018, Somphong Jitman (Silpakorn University), Some local group algebras and complementary dual abelian codes, Abstract

• 20 June 2018, Dmitry Berdinsky (Mahidol University), CMC surfaces and the Willmore–like functional in the Heisenberg group and some other Thurston geometries, Abstract, Slides

• 27 June 2018, Watthanan Jatuviriyapornchai (Mahidol University), Derivation of mean-field equations for stochastic particle systems, Abstract, Slides

• 11 July 2018, Brundaban Sahu, Rankin-Cohen brackets on modular forms and Certain Dirichlet series, Abstract

Trimester 2/2017-18

Talks are scheduled on every Wednesday from 4-5 pm at Room 1503, the main building, Mahidol University International College, Salaya Campus. For more information please contact the organizer: Thotsaporn Thanatipanonda  (thotsaporn@gmail.com)

• 17 Jan 2018, Wayne Lawton, Poincar{\'e}, Lebesgue and De Rham, Abstract

• 24 Jan 2018, Tatchai Titichetrakun (University of British Columbia, Ph.D. Graduated), An introduction to Szemeredi's Theorem and Green-Tao's Theorem, Abstract, Slide

• 31 Jan 2018, Przemo Kranz, Great Solved Problems, Abstract , Slide

• 7 Feb 2018, Michael A. Allen (Mahidol University), Elliptic integrals and the Jacobi elliptic functions, Abstract, Slide

• 14 Feb 2018, Luca Lionni (Chulalongkorn University), Counting colored graphs representing triangulated manifolds, Abstract

• 21 Feb 2018, Wittawat Kositwattanarerk (Mahidol Univesity), Cryptocurrency: a mathematical overview, Abstract, Slide

• 28 Feb 2018, Brian Hopkins (Saint Peter's University), Ramsey Theory of Equations: Report from Pisa, Abstract, Slide

• 7 Mar 2018, Chatchawan Panraksa (MUIC), What is perfectoid?, Abstract

• 14 Mar 2018, Dmitry Berdinsky (Mahidol University), Measuring Closeness between Cayley Automatic Groups and Automatic Groups, Abstract, Slide

• 21 Mar 2018, Chanun Lewchalermvongs (Mahidol University), Applying graph theory to problems in traffic control, Abstract, Slide

• 28 Mar 2018, Paolo Bertozzini (Thammasat University), Non-commutative spaces / non-commutative Gel'fand-Naimark Duality, Abstract, Slide

• (CANCEL) 4 April 2018, Aram Tangboonduangjit (MUIC), Fibonacci-Producing Rational Polynomials

Trimester 2/2016-17

Talks are scheduled on every Wednesday from 4-5 pm at Room 3303, the main building, Mahidol University International College, Salaya Campus. For more information please contact the organizer: Pornrat Ruengrot

• 18 Jan 2017, Michael Allen, Scaling Laws in Complex Systems, Abstract, Slides

• 25 Jan 2017, Duangkamon Baowan, Discrete and Continuous Approximations for Nanobuds, Abstract, Slides

• 1 Feb 2017, Prapanpong Pongsriiam, The number of relatively prime subsets of {1,..,n}, Abstract

• 8 Feb 2017, Thotsaporn Thanatipanonda, Asymptotic Analysis of Partition Function p(n), Abstract, Slides

• 15 Feb 2017, Aram Tangboonduangjit, Three ways to determine a determinant, Abstract, Slides

• 22 Feb 2017, Nattapong Bosuwan, Introduction to Pade approximants, Abstract

• 1 Mar 2017, Somphong Jitman, Good integers and applications in Coding Theory, Abstract

• 8 Mar 2017, Chatchawan Panraksa, On Local-Global Principle, Abstract

• 15 Mar 2017, Chanun Lewchalerrmvongs, Excluded Minor Theorems for Graphs, Abstract

• 22 Mar 2017, Pornrat Ruengrot, Blocks of Finite Groups, Abstract

• 29 Mar 2017, Saeid Zahmatkesh, C*-Dynamical Systems and their Crossed Products, Abstract

Trimester 1/2016-17

Talks are scheduled on every Wednesday from 4-5 pm at Room 3303, the main building, Mahidol University International College, Salaya Campus. For more information please contact the organizer: Thotsaporn Thanatipanonda (thotsaporn@gmail.com)

• 14 Sep 2016, Wayne Lawton, Ham Sandwich Theorem, Slides

• 21 Sep 2016, Przemo Kranz, Compact and Nuclear Operators in Banach Spaces, Abstract, Banach spaces - the introduction, Presentation Part I, Presentation Part II

• 28 Sep 2016, Aram Tangboonduangjit, Arithmetic Function Yielding Zeros Related to Sophie Germain Primes, Abstract

• 5 Oct 2016, Chatchawan Panraksa, Gradient Estimate for Harmonic Functions on the Poincare Disc, Abstract

• 12 Oct 2016, Thotsaporn Thanatipanonda, On Arithmetic Combinatorics, Abstract, Slides

• 19 Oct 2016, Duangkamon Baowan, Dislodgement of Carbon Bundles

• 26 Oct 2016, Michael Allen, Tiling with Fences, Abstract, Slides 

• 2 Nov 2016, Brian Hopkins, Bijective Proofs with Spotted Tilings, Abstract, Slides

• 9 Nov 2016, Kanat Tangwongsan, Triangle Enumeration, Graph Motifs, and Geometric Bounds, Abstract, Slides 

• 16 Nov 2016, Elaine Wong, The Cap Set Problem, Abstract, Slides

• 23 Nov 2016, Pornrat Ruengrot, On the Number of Representations of a Finite Group over a Finite Field,  Abstract, Slides

• 30 Nov 2016, Saeid Zahmatkesh, Hilbert C*-modules, Abstract, Slides

Trimester 3/2015-16

Talks scheduled on every Wednesday from 4-5:30 pm at Room 3303, the main building, Mahidol University International College, Salaya Campus. For more information please contact the organizer: thotsaporn@gmail.com

Date (2016)

• 27 Apr, Teerapong Suksumran   , Gyrogroup Theory and Related Fields  , Abstract, Slides

•  4 May   , Chatchawan Panraksa  , Groebner Basis and Its Applications, Abstract, Slides

•  11 May , Aram Tangboonduangjit   , Gauss sums  , Abstract, Slides

•  18 May , Duangkamon Baowan  , Instability of Fullerene Interacting with Lipid Bilayers, Abstract, Slides

•  25 May , Thotsaporn Thanatipanonda  , Apery Miracle  , Abstract, Slides

•  1 June , Chanun Lewchalerrmvongs  , Graph Theory and Origami  , Abstract, Slides

•  8 June , Pornrat Ruengrot  , Vanishing Sums of Roots of Unity and Applications, Abstract, Slides

•  15 June, Elaine Wong  , Monochromatic Coloring of Schur Triples  , Abstract, Slides

•  22 June , Michael Allen , The Lambert W function, Abstract, Slides

•  6 July   , Pichkitti Bannangkoon, FUNtastic Math, Abstract, Slides

•  13 July , Chatchawan Panraksa, Aram Tangboondaungjit, Thotsaporn Thanatipanonda, Report on Fibonacci Conference 2016, Abstract

Trimester 2/2015-16

Talks schedule on every Wednesday from 4-5:50 pm at Room 3303 Mahidol University International College, Salaya Campus. For more information please contact the organizer: thotsaporn@gmail.com

Date (2016)

• 13 Jan, Chatchawan Panraksa, On Thue-Siegel-Roth Theorem, Abstract, Slides

• 20 Jan, Brian Hopkins (Saint Peter's University), Can You Always Win Khalou in Five Moves?, Abstract, Slides

• 27 Jan, Thotsaporn Thanatipanonda,  Bijective Proof, Abstract, Slides

• 3 Feb  , Kanat  Tangwongsan  , Intro to Spectral Graphs to Matrices and Back, Abstract

• 10 Feb , Duangkamon Baowan, Mathematical Modeling in Nanotechnology, Abstract, Slides

• 17 Feb, Pichkitti Bannangkoon  , C* -algebras in Kirillov Theory, Abstract, Slides

• 24 Feb, Aram Tangboonduangjit , Modular Forms, Abstract, Slides

• 2 Mar  , Somphong Jitman (Silpakorn University)  , Self-dual abelian codes over finite fields, Abstract, Slides

• 9 Mar  , Pornrat Ruengrot  , A Note on Average of Roots of Unity, Abstract, Slides

• 16 Mar, Elaine Wong  , Some Mathematics of Pursuit, Abstract, Slides

• 23 Mar , Keng Wiboontan (Chulalongkorn University), Introduction to Gyrogroup, Abstract, Slides

Trimester 1/2015-16

Talks scheduled on every Wednesday from 4-5:50 pm at Room 3414 Mahidol University International College, Salaya Campus.

Date (2015)

• 30 Sep, Aram Tangboonduangjit, Residue Theory and its Applications, Abstract, Slides

• 7 Oct, Saeid Zahmatkesh Komeleh, C*-algebras, Abstract, Slides

• 14 Oct, Nattapong Bosuwan, Discretizing Manifolds via Riesz Energy Minimization and Riesz polarization Maximization, Abstract, Slides

• 21 Oct, Wayne M. Lawton, Fourier Transform, Abstract

• 28 Oct, Chatchawan Panraksa, Quadratic Reciprocity: How to Prove It Right?, Abstract , Slides

• 4 Nov, Elaine Wong, A Brief Survey of Fractal-Like Behavior in Dynamical Systems, Abstract , Slides

• 11 Nov, Vorrapan Chandee (Burapha University), The Riemann zeta function and extremal functions, Abstract , Slides

• 18 Nov, Thotsaporn Thanatipanonda, On Central Limit Theorem and Moment Calculus, Abstract

• 2 Dec, Pornrat Ruengrot, Character Theory and Applications, Abstract

• 16 Dec, Anthony Hayter, Ph.D (University of Denver), Conducting and Publishing Quantitative Research, (special seminar)

Trimester 3/2014-15

This is a weekly seminar held every Wednesday during a teaching trimester. The seminar takes place at 4pm in Room 1407.

Date (2015)

• 29 April, Pornrat Ruengrot, Representation Theory (continued), Abstract

• 6 May, Chatchawan Panraksa, Knowledge Space and Union-Closed Sets Conjecture, Abstract

• 20 May, Brian Hopkins (Saint Peter's University), The Symmetric Group and Fair Division: Does Knowledge Matter?, Abstract, Slides

• 28 May, Brian Hopkins (Saint Peter's University), Some Explorations in Number Theory, Abstract, Slides

• 3 June, Thotsaporn Thanatipanonda, Probabilistic Method, Abstract, Slides

• 10 June, Aram Tangboonduangjit, Zsigmondy's Theorem, Abstract, Slides

• 17 June, Parames Laosinchai, A Geometric Interpretation of Pascal's Formula for Sums of Powers of Integers, Abstract, Slides, Photos

• 24 June, Somphong Jitman (Silpakorn University), Trends in Coding Theory, Abstract, Slides

• 1 July, Elaine Wong, A Survey of Deterministic Fractal Construction, Abstract, Slides

• 8 July, Wayne Lawton, Multivariate Prediction and Spectral Factorization, Abstract