“Topology of the Semigroup of Singular Endomorphisms” (with K. S. S. Nambooripad), Semigroup Forum, pp. 224-248, 2000. Copy available HERE.
“Geometry of the Biordered Set of Idempotent Endomorphisms” (with K.S.S. Nambooripad), Southeast Asian Bulletin of Mathematics, Vol. 27, pp. 95-112, 2003. Copy available HERE.
“Strongly Unit Regular Subemigroups of T_X”, Southeast Asian Bulletin of Mathematics, Vol. 31, pp. 269-274, 2007. Copy available HERE.
"Bundle Structure of the Green Classes in M_n(K)", Semigroup Forum (DOI: 10.1007/s00233-011-9314-x), 24 June 2011. Copy available HERE.
"A Pedagogically Significant Approach to Inputting Mathematical Expressions at Runtime in C" (jointly with Jisha Jose Panackal and Salkala K S), International Journal of Computer Applications (online journal). A preliminary version of the paper was presented in the International Conference on Information Systems and Technology, held in MES College of Engineering, Kuttippuram, during 16-17 May 2011. Available HERE or HERE.
"'കാൽക്കുലസിന്റെ കേരളീയ രീതിയും രാമാനുജന്റെ ഗണിത സംഭാവനകളും' എന്ന അബദ്ധപ്പഞ്ചാംഗം" (9 pages). Bhashaposhini, March 2025. (Comments on an article by Dr. Unnikrishnan Thekkeppatt in the January 2025 issue of the Malayalam monthly Bhashaposhini.) Available HERE.