Dr. Nagarajan's research involves developing sophisticated mathematical and
computational tools to gain insight into biological systems and processes. His current
research areas include: 

Bioinformatics, Systems Biology, Machine Learning Applications, Time Series
Analysis/Signal Processing. 

Microarrays

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Power-law Signatures and Patchiness in Genechip Oligonucleotide Microarrays, Applications of Computational Intelligence in Bioinformatics and Biomedicine (2007)
 

Singular Spectrum Analysis