Assistant Professor of Mathematics
Mathematics Department
Daytona College of Arts & Sciences
Daytona Beach campus


Sirani K. M. Perera has received BSc(Hons.) in Mathematics from the University Sri Jayewardenepura, Sri Lanka in 2004. She was the first Sri Lankan to attend the Center for Mathematical Sciences at the University of Cambridge, UK with full Shell Centenary Scholarship, and obtained Hons. Part III Tripos in Mathematics in 2006. Perera received a PhD in Mathematics from the University of Connecticut, USA in 2012. She was acknowledged of having very high student evaluations by the department of mathematics, University of Connecticut from fall 2009 to spring 2012. Perera works as an assistant professor in Mathematics at Embry-Riddle Aeronautical University while working in the field of Numerical Linear Algebra. Her research interests include; Scientific Computing, Structured Matrices (e.g. Vandermonde, Quasiseparable, Semiseparable, Bezoutian, and Banded), Matrices with Displacement Structure, DCT, DST, FFT, Algorithms for Computer Arithmetic, Complexity and Performance of Algorithms, Signal Processing, and Image Processing. 

  • Ph.D. - Doctor of Philosophy in Mathematics, University of Connecticut

  • MA 241: Calculus & Analytical Geom I
  • MA 242: Calculus & Analytical Geom II
  • MA 499: Special Topics in Mathematics

Linear Algebra, Numerical Analysis, Mathematics and Algorithms, Abstract Algebra, Mathematical Modelling, Boolean Algebra, Computing for Finance, Combinatorics, Differential Equations,  Calculus I, Calculus II, Calculus for Business and Economics, Mathematics for Business and Economics, Precalculus, and Trigonometry   

with Students

Patrick Rupp, Dylan English, Shreya Mittal, and Genesis Vargas, Quasiseparable Approach to Evaluate Cubic Splines via A Fast and Stable Algorithm, in preparation

Austin Ogle and Jacky Qi, A Fast Bjorck-Pereyra type Algorithm for Solving Phase Vandermonde Systems, submitted, (2017)

with Collaborators

Sirani M. Perera and Jianhua Liu, Complexity Reduction, Self/Completely Recursive, Radix-2 DCT I/IV Algorithms, submitted, (2017)

Sirani M. Perera, Viduneth Ariyarathna, Nilan Udayanga, Arjuna Madanayake, Ge Wu, Leonid Belostotski, Yingying Wang, Soumyajit Mandal, Renato J. Cintra, and Theodore S. Rappaport, Wideband N-beam Arrays with Low-Complexity Algorithms and Mixed-Signal Integrated Circuits, submitted, (2017) 

Sirani M. Perera and Jianhua Liu, Lowest Complexity Self Recursive Radix-2 DCT II/III Algorithms, submitted, (2017)

Sirani M. Perera, Arjuna Madanayake, Nathan Dornback, and Nilan Udayanga, Design and Digital Implementation of Fast and Recursive DCT II-IV Algorithms, submitted, (2017)

Viduneth Ariyarathna, Nilan Udayanga, Arjuna Madanayake, Sirani M. Perera, Leonid Belostotski, and Renato J Cintra, Design methodology of an analog 9-beam squint-free wideband IF multi-beamformer for mmW applications, accepted by Proceedings of IEEE 2017 Moratuwa Engineering Research Conference (MERCon), IEEE, (2017)

Sirani M. PereraSignal Flow Graph Approach to Efficient and Forward Stable DST Algorithms, in press, Linear Algebra and Its Applications vol. 533, (2017), DOI information: 10.1016/j.laa.2017.05.050

Hong Liu, Sirani M. Perera and Jerry Klein, Using Model-based Learning to Promote Computational Thinking Education, In: P. Rich, C. Hodges (Eds.): Emerging Research, Practice, and Policy on Computational Thinking, Springer Series: Educational Communications and Technology: 153-172, Springer, (2017), DOI information: 10.1007/978-3-319-52691-1_10

Sunethra Weerakoon and Sirani M. Perera (Eds.), Present Status and the Way Forward for Public Universities in Sri Lanka, ISBN: 978-955-7280-00-4, Vidya Publishers (Pvt.) Ltd., Sri Lanka, (2017)

Sirani M. Perera and Vadim Olshevsky, A Fast Schur-Euclid-type Algorithm for Quasiseparable Polynomials, In: I. S. Kotsireas and E. Martinez-Moro (Eds.): Springer Proceedings in Mathematics and Statistics vol. 198: 341-383, Springer, (2017) 

Sirani M. Perera, Signal Processing based on Stable radix-2 DCT I-IV Algorithms having Orthogonal Factors, Electronic Journal of Linear Algebra vol. 31: 362-380, (2016)

Sirani M. Perera and Vadim Olshevsky, Fast and Stable Algorithms for Discrete Sine Transformations having Orthogonal Factors, In: M. Cojocaru, I. S. Kotsireas, R. Makarov, R. Melnik, and H. Shodiev (Eds.): Interdisciplinary Topics in Applied Mathematics, Modeling and Computational Science, vol. 117, Springer, (2015)

Sirani M. Perera, Grigory Bonik, and Vadim Olshevsky, A Fast Algorithm for the Inversion of Quasiseparable Vandermonde-like Matrices, e-print in Cornell University Library, arXiv:1401.1874[math.NA], (2014)

Sirani M. Perera and Vadim Olshevsky, Stable, Recursive and Fast Algorithms for DST having Orthogonal Factors, Journal of Coupled Systems Multiscale Dynamics vol. 1(3): 358-371, (2013)

Sirani M. Perera, Quasiseparable Approach to Matrices of Vandermonde Type, Thesis, University of Connecticut, ProQuest Publication, Ann Arbor, USA, (2012)

In Media

Sirani M. Perera, SL needs more institution akin to SAITM, Daily News, Sri Lanka, March 27 (2017), http://dailynews.lk/2017/03/28/business/111536/sl-needs-more-institutions-akin-saitm

Sirani M. Perera and Sunethra Weerakoon, The International Industrial Mathematics Conference, Coffee Table, Independent Television Network(ITN), Sri Lanka, June 1 (2016),  http://www.itntv.lk/2016/06/01/coffee-table-2016-06-01/

Sirani M. Perera, Co-Chair of The International Industrial Mathematics Conference

Dinamina Newspaper, Sri Lanka, June 6 (2016), http://epaper.dinamina.lk/art.asp?id=2016/06/06/pg11_0&pt=p&h 

Colombo Telegraph, Sri Lanka, June 5 (2016), https://www.colombotelegraph.com/index.php/ranil-wickremesinghejune-5-2016/

ITN News, Sri Lanka, June 4 (2016), http://www.itnnews.lk/video-archive/itn-news-2016-06-04-07-00pm/ 

Prime Minister's Official Website, Sri Lanka, June 4 (2016), http://www.pmoffice.gov.lk/news-list.php?tpages=87&page=68 


Aug 2015 - To date, Assistant Professor in Mathematics, Embry-Riddle Aeronautical University, USA

Aug 2012 - July 2015, Associate Professor in Mathematics, Daytona State College, USA

Aug 2008 - May 2012, Teaching Assistant in Mathematics, University of Connecticut, USA 

Feb 2007 - Jul 2008, Lecturer in Mathematics, University of Colombo, Sri Lanka

Nov 2007 - Jul 2008, Visiting Lecturer in Mathematics, Asia Pacific Institute of Information Technology (APIIT), Sri Lanka 

Feb 2005 - Sep 2005, Lecturer in Mathematics, University of Sri Jayewardenepura, Sri Lanka

Feb 2004 - Jan 2005, Instructor in Mathematics, University of Sri Jayewardenepura, Sri Lanka


Adviser of the Kappa Mu Epsilon (Mathematics Honor Society), Embry-Riddle Aeronautical University, USA, Fall 2017 - To date

Co-Adviser of the SIAM Student Chapter, Embry-Riddle Aeronautical University, USA, Fall 2016 - To date

Co-Adviser of the SeaPearch Competition, Embry-Riddle Aeronautical University, USA, 2017

Chair of the Session II-C, 36th South Eastern Atlantic Regional Conference on Differential Equations, Florida Gulf Coast University, USA, 2016

Co-Chair of The International Industrial Mathematics Conference, University of Sri Jayewardenepua, Sri Lanka, 2016

Chair of the Contributed Session III, 39th Annual SIAM Southeastern Atlantic Section Conference, University of Alabama, USA, 2015

STEM Mentor for the Spring 2015 cohort of the STEM Community Scholars Program, NSF Award at Daytona State College, USA, 2015

Member of the SIAM Activity Group on Linear Algebra, 2015 - To date

Member of the SIAM Activity Group on Imaging Science, 2015 - 2017

Organizer of the Mathematics Faculty Seminar, Daytona State College, USA, 2014 - 2015

Faculty Representative of the Instructional Program Review Committee, Daytona State College, USA, 2014 - 2015

In Charge of Creating Survey in Mathematics Course, Daytona State College, USA, 2014

Chair of the Numerical Methods Session, 37th Annual SIAM Southeastern Atlantic Section Conference, Oak Ridge National Laboratory and the University of Tennessee-Knoxville, USA, 2013

Teaching Assistant Mentor at the Department of Mathematics, University of Connecticut, USA, 2009 - 2012

Member of the American Mathematical Society, 2009 - To date

Chief Coordinator of the Sri Lankan Mathematics Olympiad Awards Ceremony, Sri Lanka, 2007

Coordinator of the Sri Lankan Mathematics Olympiad Competition, Sri Lanka, 2007


Electrical, Communications, and Cyber Systems(ECCS) Grant (Co-PI) by National Science Foundation, USA, 2017-2020

Faculty Innovative Research in Science and Technology Grant (Co-PI) by Embry-Riddle Aeronautical University, USA, 2017-2018

Early Career Travel Funds by 20th Conference of the International Linear Algebra Society, Belgium, 2016

Faculty Innovative Research in Science and Technology Grant (PI) by Embry-Riddle Aeronautical University, USA, 2016-2017

Faculty Research Development Funds by Embry-Riddle Aeronautical University, USA, 2016

Outstanding Junior Research Faculty Nomination at Daytona State College, USA, 2013-2015

Travel Funds by Laurier Center for Women in Science, Canada, 2013

Advanced Doctoral Fellowship in Mathematics by the University of Connecticut, USA, 2012

Doctoral Dissertation Fellowship in Mathematics by the University of Connecticut, USA, 2012

Doctoral Travel Grants by the University of Connecticut, USA, 2012

Summer Predoctoral Fellowship in Mathematics by the University of Connecticut, USA, 2010

Industrial Research Scholarship by City University London, UK, 2008

Shell Centenary Scholarship, Cambridge Commonwealth Trust by the University of Cambridge, UK, 2005-2006

Chevening Colors for Outstanding Undergraduate in Mathematics by British Council, Sri Lanka, 2005

Recognition for the Top Most Number of A's in Mathematics in 98/99 batch at Faculty of Applied Sciences, University of Sri Jayewardenepura, Sri Lanka, 1999 - 2004

Recognition for the Highest GPA in Chemistry in 98/99 batch at Faculty of Applied Sciences, University of Sri Jayewardenepura, Sri Lanka, 1999 - 2003

due to research supervision of students 

Austin Ogle and Daniel Silverio obtained Internal Student Research Award, Embry-Riddle Aeronautical University, USA, 2017-2018

Austin Ogle obtained the First Place at Discovery Day Award, Embry-Riddle Aeronautical University, USA, 2017

Austin Ogle obtained ASPiRE Conference Funds, Florida Gulf Coast University, USA, 2017

Patrick Rupp, Genesis Vargas, and Dylan English obtained Spark Funds, Embry-Riddle Aeronautical University, USA, 2017