Dr. Karthiyayini O
Professor
 Teaching
Professor, PES University  Electronic City Campus, Bangalore, 2018  Till date
Professor, PESIT  Bangalore South Campus (Formerly PES School of Engineering), Bangalore, 2016  2018
Associate Professor, PESIT  Bangalore South Campus(Formerly PES School of Engineering), Bangalore, 2011  2016
Assistant Professor, PESIT  Bangalore South Campus (Formerly PES School of Engineering), Bangalore, 2010  2011
Lecturer, PESIT  Bangalore South Campus (Formerly PES School of Engineering), Bangalore, 2005  2010
Lecturer, Vidya Vikas Institute of Engineering & Technology, Mysore, 1999  2005
Engineering Mathematics for Ist year BTech of PES Unversity
Engineering Mathematics for 1st and 2nd year B. E of V.T.U
Quantitative Techniques 1st year MBA of V.T.U during 2013 14
Operations Research for 1st year MBA of V.T.U during 2012 13
Discrete Mathematical Structures for 2nd year B. E Computer science and Information science branch of V.T.U. during 2007  08
Graph theory for 2nd year Computer science and Information science branch of V.T.U. during 2003  04
Mathematics for 1st year MCA of V.T.U during 2003  04
Chairperson, Department of Science & Humanities, PES University  Electronic City Campus, Bangalore from 2018 till date.
Head of the Department, Department of Science & Humanities from 2011 to 2018
Head of Mathematics Research Centre, PESIT  Bangalore South Campus from 2012 till date
Geometric function Theory
Total No. of Research Scholars : 03
No. of Scholars who are awarded PhD : 01

Latha S and Karthiyayini O, Some interesting properties of functions in the generalized Ruscheweyh class proceedings of National conference on Advances in Mathematics and its Applications, 21 � 29, 2004.
Kanas. S, Sivasankari.V, Karthiyayini.O, and Sivasubramanian.S, Second Hankel determinant for a certain subclass of Biclose to Convex Functions defined by Kaplan, Symmetry, 13(4), 2021, 567.
Sivasankari. V, Karthiyayini. O and Magesh. N , Certain subclass of biunivalent functions defined using the Chebyshev polynomials, Afrika Mathematica, 32(1), 2021, 89103 .
Karthiyayini. O and Sivasankari. V, A new subclass of biunivalent function defined using convolution, Palestine Journal of Mathematics, 8 (1), 2019, 229234
Ravikumar R, Radha Gupta and Karthiyayini O, A New Approach to Find the Initial Basic Feasible Solution of a Transportation Problem, International Journal of Research � Granthaalayah A knowledge Repository, 6(5), May 2018( ISSN 23500530(O), ISSN 23943629(P), DOI: 10.5281/zenodo.1283413).
Ravikumar R, Radha Gupta and Karthiyayini O, A Comparative Study Of Initial Basic Feasible Solution Of Fuzzy Transportation Problems Using Anova, Journal of Emerging Technologies and Innovative Research, 5(8), August 2018.www.jetir.org , (ISSN23495162).
Ravikumar R, Radha Gupta, Karthiyayini O and Anita Chaturvedi, A New Heuristic Approach To Find The Initial Basic Feasible Solution Of Crisp And Fuzzy Transportation Problems, Universal Journal of Mathematics and Mathematical Sciences,11(2), 2018, Pages 105113 ISSN: 22771417 . http://dx.doi.org/10.17654/UM011020105
Karthiyayini. O and Sivasankari. V, A new subclass of biunivalent functions associated with Chebyshev polynomial, Asia Pacific Journal of Mathematics, 5(2), 2018, 226232.
Karthiyayini. O and Sivasankari. V, A new subclass of meromorphic biunivalent functions associated with linear operator, Int. J. Pure. Appl. Math. 10(2), 2017, 141146.
Karthiyayini. O and Sivasankari. V, A new subclass of meromorphic function, Int. J. Comp. Mat. Sci. 6(7), 2017, 815.
O Karthiyayini and V Sivasankari, A New Subclass of BiUnivalent Functions Associated with Chebyshev Polynomial, Asia Pacific Journal of Mathematics, 5(2), 226  232.
Ravikumar R, Radha Gupta and O Karthiyayini , A New Heuristic Approach To Find The Initial Basic Feasible Solution Of Crisp And Fuzzy Transportation Problems, Universal Journal of Mathematics and Mathematical Sciences, 11(2), 2018, 105113, ISSN: 22771417 . http://dx.doi.org/10.17654/UM011020105
Ravikumar R, Radha Gupta and O Karthiyayini ,A Comparative Study Of Initial Basic Feasible Solution Of Fuzzy Transportation Problems Using Anova, JETIR, 5(8), August 2018, www.jetir.org , (ISSN23495162).
Ravikumar R, Radha Gupta and O Karthiyayini , A New Approach to Find the Initial Basic Feasible Solution of a Transportation Problem, International Journal of Research � Granthaalayah A knowledge Repository, 6 (5), May 2018, ISSN 23500530(O), ISSN 23943629(P), DOI: 10.5281/zenodo.1283413.
O Karthiyayini and V Sivasankari, A New Subclass of Meromorphic Bi  Univalent Functions Associated with a Linear Operator, International Journal of Pure and Applied Mathematical Sciences (IJPAMS), 10(2), 2017, 141  146.
O Karthiyayini and V Sivasankari, A New Subclass of Meromorphic Functions, International Journal of Computer & Mathematical Sciences (IJCMS), 6(7), 2017, 8  15.
O Karthiyayini and V Sivasankari, Subordination Results for a Class of ϒ�Spirallike Functions, Annals of Oradea University  Mathematics Fascicola 24 (1), 2017, 1924.
Ravikumar R, Radha Gupta and O Karthiyayini, Statistical investigation of various methods to find the Initial Basic Feasible Solution of a Transportation problem, International Journal for Research in Applied Science & Engineering Technology, 5( VII), July 2017(IJRASET), ISSN: 23219653; IC Value: 45.98; SJ Impact Factor:6.887
O Karthiyayini and V Sivasankari, Coefficient inequality for some subclass of meromorphic functions, Advances in Theoretical and Applied Mathematics 11 (3), 2016, 275279.
O Karthiyayini and V Sivasankari, New subclasses of biunivalent functions defined by subordination, International conference on mathematics 2015 4 (2), 453456.
O Karthiyayini and V Sivasankari, New subclasses of biunivalent functions defined using the convolution structure, International Journal of Mathematical Archive 6 (12), 2015, 5761.
Harikrishna S, Abida Begum and Karthiyayini Roy, Performance of Fenugreek (Trigonella foenum graecum) Seed Extract as Inhibitor on Mild steel under Corrosive MediumA Statistical View, International Journal of ChemTech Research CODEN( USA): IJCRGG ISSN : 09744290, Vol.5, No.4, April June 2013, 18291834.
Latha S and Karthiyayini O, Coefficient Inequalities for A New Class of Analytic Functions Defined Using The Convolution Structure, Advances in Applied Mathematical Analysis, Volume 7 Number 2 (2012), pp. 103108.
Latha S and Karthiyayini O, Neighborhoods of certain classes of analytic functions with negative coefficients, Advances in Applied Mathematical Analysis, Volume 7 Number 2 (2012), pp. 93102.
Latha S and Karthiyayini O, Coefficient Estimates for a certain class of analytic functions defined using the Generalized Carlson Shaffer Operator, International Journal of Mathematical Archive3(9), 2012, 34723476.
Latha S and Karthiyayini O, Inclusion and Neighborhood Properties of Certain Analytic Functions with Negative Coefficients, Advances in Applied Mathematical Analysis, Vol 6, Number 1(2011), pp.7984.
Latha S and Karthiyayini O, Convolution Conditions for Certain Analytic Functions�, �International Journal of Mathematical Sciences and Engineering Applications, Vol 5, No.3, 2011.
Latha S and Karthiyayini O, Coefficient Inequalities for Certain Classes of Analytic and Univalent Functions, International journal of Mathematical Archive 2(2), 19, Feb 2011.
Latha S and Karthiyayini O, On Subclasses of Ruscheweyh Class Function of Order α and type β , International Journal of Mathematical Sciences and Engineering Applications, Vol 4, No.1, March 2010.
Latha S and Karthiyayini O, Certain Class Of Analytic and Univalent Functions Involving The Ruscheweyh Derivative Operator, International Journal of Mathematical Analysis, Vol. 3, no. 33 � 36, 2009.
Latha S and Karthiyayini O, A New Subclass of Multivalent Functions, Advances in Inequalities for Series, 135  145, 2008. [Book Chapter]
Education
PhD in Mathematics, University of Mysore, 2009