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Probationary Lecturer – Department of Mathematics, University of Peradeniya- 
1981 - University Scholarship for the best performance of the General Science Qualifying Examination, University of Peradeniya, Sri Lanka.
1984 Was the Top of the batch with Second Class Upper Division Honors, Special Degree programme in Mathematics, Faculty of Science, University of Peradeniya, Sri LankaIndian Journal of Computer Science and Engineering (IJCSE),
A.A.I. Perera and B.T.G.S. Kumara, (2011). Automated System for Nurse Scheduling Using Graph Coloring,. Indian Journal of Computer Science and Engineering (IJCSE),, Vol 2, No 3, June-July.
Indian Journal of Mathematics Trends and Technology (IJMTT),
D.G.T.K. Samarasiri and A.A.I. Perera, (2011). Mathematical Induction and Graph Coloring,. Indian Journal of Mathematics Trends and Technology (IJMTT),, Volume 2, Issue 2.
Indian Journal of Mathematics Trends and Technology (IJMTT),
D.G.T.K. Samarasiri and A.A.I. Perera, (2011). Cocycles and Bilinear Forms,. Indian Journal of Mathematics Trends and Technology (IJMTT),, Volume 2, Issue 2.
Research Sessions, University of Peradeniya, Sri Lanka
W.N.P.Rodrigo, W.B. Daundasekara and A.A.I. Perera, (2011). Cutting Stock problem,. Research Sessions, University of Peradeniya, Sri Lanka, .
International Workshop on Hadamard Matrices and Their Applications, RMIT University, Melbourne, Australia
A.A.I. Perera, (2011). Cocyles and Bilinear forms,. International Workshop on Hadamard Matrices and Their Applications, RMIT University, Melbourne, Australia, .
29th Victorian Algebra Conference, La Trobe University, Melbourne, Australia
A.M.C.U.M Athapattu A.A.I. Perera, (2011). Group Representation and Characters,. 29th Victorian Algebra Conference, La Trobe University, Melbourne, Australia, .
Research Sessions, University of Peradeniya, Sri Lanka
A.M.C.U.M . Athapattu and A.A.I. Perera, (2010). Group Representations and Characters,. Research Sessions, University of Peradeniya, Sri Lanka, .
Research Sessions, University of Peradeniya, Sri Lanka
S . Weerasinghe and A.A.I. Perera, (2010). Construction of Costas Like Sequences,. Research Sessions, University of Peradeniya, Sri Lanka, .
Research Sessions, University of Peradeniya, Sri Lanka
D.G.T.K. Samarasiri and A.A.I. Perera, (2010). Cocyles and Bilinear forms,. Research Sessions, University of Peradeniya, Sri Lanka, .
Ceylon Journal of Science (Physical Sciences),
A.A.I. Perera, (2009). Equivalence of Square Designs, Difference Sets and Complete Graphs,. Ceylon Journal of Science (Physical Sciences),, Volume 15.
Ceylon Journal of Science (Physical Sciences), University of Peradeniya, Sri Lanka,
A.A.I. Perera and A.G.K.N. Alupotha, (2009). Integer Solutions of Non-Linear Diophantine Equations using Continued Fractions,. Ceylon Journal of Science (Physical Sciences), University of Peradeniya, Sri Lanka,, Volume 15.
Research Sessions, University of Peradeniya, Sri Lanka
C.J. Samarasinghe and A.A.I. Perera, (2009). Finding Minimum Cost for Construction of Telecommunication Network,. Research Sessions, University of Peradeniya, Sri Lanka, .
Research Sessions, University of Peradeniya, Sri Lanka
N.M.P.S.K. Bandara and A.A.I. Perera, (2009). Construction of new Graphs using Steiner Triple Systems and their Decompositions,. Research Sessions, University of Peradeniya, Sri Lanka, .
Journal of National Science Foundation, Sri Lanka
A.A.I. Perera, (2008). Decomposition of a Cocyclic Matrix as Sum of Monomial Matrices,. Journal of National Science Foundation, Sri Lanka, (Submitted in 2008, corrected version submitted in 2009).
Research Sessions, University of Peradeniya, Sri Lanka
D.G.T.K. Samarasiri and A.A.I. Perera, (2008). Applications of Graph Coloring,. Research Sessions, University of Peradeniya, Sri Lanka, .
Research Sessions, University of Peradeniya, Sri Lanka
J.P.J. Prabath, A.G.K.N. Alupotha and A.A.I. Perera, (2008). Proposals to Improve Knowledge of Mathematics among the Undergraduates,. Research Sessions, University of Peradeniya, Sri Lanka, .
Research sessions, University of Peradeniya, Sri Lanka
AGKN. Alupotha and A.A.I. Perera, (2007). Integer solutions of non-linear Diophantine Equations using Continued Fractions,. Research sessions, University of Peradeniya, Sri Lanka, .
Research sessions, Rajarata University of Sri Lanka
W.M.S.S.B.Doranegama and A.A.I. Perera, (2006). Implimentation of Dijsktras Algorithum,. Research sessions, Rajarata University of Sri Lanka, .
Research sessions, University of Peradeniya, Sri Lanka
M.I.U. Wickramasekara and A.A.I. Perera, (2005). Timetable System based on Graph Coloring,. Research sessions, University of Peradeniya, Sri Lanka , .
Research sessions, University of Peradeniya, Sri Lanka
M.M.J.D. Maheepala and A.A.I. Perera, (2005). Steiner Triple systems of higher order,. Research sessions, University of Peradeniya, Sri Lanka, .
Research Sessions, University of Peradeniya, Sri Lanka
R.D.D.K.Wijekularatne and A.A.I. Perera, (2004). Implementation of a shortest path algorithm,. Research Sessions, University of Peradeniya, Sri Lanka, .
Research sessions, University of Peradeniya, Sri Lanka
S.Chandrakanth and A.A.I. Perera, (2003). Scheduling Lecture Timetable in Course unit System using Graph Coloring,. Research sessions, University of Peradeniya, Sri Lanka, .
Research sessions, University of Peradeniya, Sri Lanka
D.I.N.J. Sikurajapathi and A.A.I. Perera, (2002). Coloring Graphs,. Research sessions, University of Peradeniya, Sri Lanka, .
Australian Journal of Combinatorics
A.A.I. Perera and K.J.Horadam, (2000). Factorization of Relative Difference Sets,. Australian Journal of Combinatorics, 22: pp.141-150 .
Theory and Applications, RMIT City Campus, Australia
A.A.I. Perera, (1999). Ph.D. Thesis on: Orthogonal Cocycles:. Theory and Applications, RMIT City Campus, Australia, .
Research Sessions, University of Peradeniya, Sri Lanka
A.A.I. Perera, (1999). Factorization of Relative Difference Sets,. Research Sessions, University of Peradeniya, Sri Lanka, .
Codes and Cryptography,
AAI Perera and K.J.Horadam, (1998). Cocyclic generalized Hadamard Matrices and Central Relative Difference Sets, Designs,. Codes and Cryptography,, 15: 187 – 200 .
15th Victorian Algebra Conference, Melbourne, Australia
A.A.I. Perera, (1998). Projective Representations, Monomial matrices and Normalized Cocycles,. 15th Victorian Algebra Conference, Melbourne, Australia, .
Lecture Notes in Computer Science, Applied Algebra, Algebraic Algorithms and Error Correcting Codes
K.J.Horadam and AAI Perera, (1997). Codes from Cocycles,. Lecture Notes in Computer Science, Applied Algebra, Algebraic Algorithms and Error Correcting Codes, 1255: 151-163 .
12th International Symposium, AAECC-12,
K.J. Horadam and A.A.I. Perera, (1997). Codes from cocycles,. 12th International Symposium, AAECC-12,, Toulouse, France, June 1997.
Third International Conference on Combinatorial Computing. Melbourne, Australia
A.A.I. Perera and K.J. Horadam, (1997). Cocyclic Generalized Hadamard Matrices and Central Relative Difference Sets,. Third International Conference on Combinatorial Computing. Melbourne, Australia, .