# Dr. Ravi Shankar Nowpada

ProfessorGitam University, India

**Highest Degree**

Ph.D. in Physical Science Engineering from Gitam University, India

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Gitam University, India

**Highest Degree**

Ph.D. in Physical Science Engineering from Gitam University, India

**Share this Profile**

100%

Fuzzy Sets

62%

Cryptography

90%

Bioinformatics

75%

Optimization

55%

Books

0

0

Chapters

0

0

Articles

45

45

Abstracts

2

2

- Usha Madhuri, K., S. Siresha and N. Ravi Shankar, 2012. A new approach for solving fuzzy critical path problem using L-L fuzzy numbers. Appl. Math. Sci., 6: 1303-1324.

Direct Link | - Thorani, Y.L.P., P.P.B. Rao and N.R. Shankar, 2012. Ordering generalized trapezoidal fuzzy numbers. Int. J. Contemp. Math. Sci., 7: 555-573.

Direct Link | - Sireesha, V., K. Srinivasa Rao, P. Phani Bushan Rao and N. Ravi Shankar, 2012. On the latest times and float times of activities in a fuzzy project network with LR fuzzy numbers. Int. J. Fuzzy Syst. Appl., 2: 91-101.
- Sireesha, V., K. Srinivasa Rao, N. Ravi Shankar and S. Suresh Babu, 2012. Critical path analysis in the network with fuzzy interval numbers as activity times. Int. J. Eng. Sci. Technol., 4: 823-832.
- Ravi Shankar, N., M.L. Abdullah, Y.L.P. Thorani and P. Phani Bushan Rao, 2012. Fuzzy risk analysis based on a new approach of ranking fuzzy numbers using orthocenter of centroids. Int. J. Comput. Appl., 42: 24-36.

CrossRef | Direct Link | - Rao, P.P.B. and N.R. Shankar, 2012. Ranking Generalized fuzzy numbers using area, mode, spreads and weights. Int. J. Applied Sci. Engin., 10: 41-57.

Direct Link | - Rama Chandra Rao, G.A.V., P.V. Lakshmi and N.R. Shankar, 2012. Cryptanalysis of a deniable authentication protocol based on bilinear pairing using single sender and group sender. Int. J. Comput. Applic., 41: 10-13.

Direct Link | - Phani Bushan Rao, P. and N. Ravi Shankar, 2012. Fuzzy critical path method based on lexicographic ordering. Pak. J. Stat. Oper. Res., 8: 139-154.
- Sireesha, V. and N. Ravi Shankar, 2011. Analysis of time estimates on right skewed distribution of activity times in PERT. J. Stat. Math., 2: 15-22.
- Ravi Shankar, N., V. Sireesha, S. Siresha and K. Usha Madhuri, 2011. Measuring risk element criticality in a fuzzy project network using trapezoidal fuzzy number method. Appl. Math. Sci., 5: 529-539.

Direct Link | - Ravi Shankar, N., S. Suresh Babu, Y.L.P. Thorani and D. Raghuram, 2011. Right skewed distribution of activity times in PERT. Int. j. Eng. Sci. Technol., 3: 2932-2938.

Direct Link | - Ravi Shankar, N., P. Phani Bushan Rao, S. Siresha and K. Usha Madhuri, 2011. Critical path method in a project network using ant colony optimization. Int. J. Comput. Intell. Res., 7: 7-16.
- Ravi Shankar, N., M.M.K. Raju, G. Srikanth and P. Hima Bindu, 2011. Time, cost and quality trade-off analysis in construction of projects. Contemp. Eng. Sci., 4: 289-299.

Direct Link | - Ravi Shankar, N., K. Srinivasa Rao and S. Siresha, 2011. A new approach to evaluate aracteristics involved in a fuzzy critical path method. Adv. Fuzzy Math., 6: 217-226.
- Ravi Shankar, N. and B. Pardha Saradhi, 2011. Fuzzy critical path method in interval valued activity networks. Int. J. Pure Appl. Sci. Technol., 3: 72-79.

Direct Link | - Phani Bushan Rao, P. and N. Ravi Shankar, 2011. Ranking fuzzy numbers with a distance method using circumcenter of centroids and an index of modality. Adv. Fuzzy Syst., Vol. 2011. 10.1155/2011/178308.

CrossRef | - Phani Bushan Rao, P. and N. Ravi Shankar, 2011. On discriminating fuzzy numbers. Turkish J. Fuzzy Syst., 2: 122-138.

Direct Link | - Phani Bushan Rao, P. and N. Ravi Shankar, 2011. A new fuzzy ranking method to evaluate fuzzy risk. Proceedings of the International Conference on Advances in Supply Chain and Manufacturing Management, December 16-18, 2011, IIT Kharagpur, India -.
- Sireesha, V. and N. Ravi Shankar, 2010. A New approach to find total float time and critical path in a fuzzy project network. Int. J. Eng. Sci. Technol., 2: 600-609.

Direct Link | - Ravi Shankar, N., V. Sireesha, K. Srinivasa Rao and N. Vani, 2010. Fuzzy critical path method based on metric distance ranking of fuzzy numbers. Int. J. Math. Anal., 4: 995-1006.

Direct Link | - Ravi Shankar, N., V. Sireesha and P. Phani Bushan Rao, 2010. Critical path analysis in the fuzzy project network. Adv. Fuzzy Math., 5: 285-294.
- Ravi Shankar, N., V. Sireesha and P. Phani Bushan Rao, 2010. An analytical method for finding critical path in a fuzzy project network. Int. J. Contemp. Math. Sci., 5: 953-962.
- Ravi Shankar, N., T. Srikanth, B. Ravi Kumar and G. Ananda Rao, 2010. Genetic algorithm for object oriented reducts using rough set theory. Int. J. Algebra, 4: 827-842.

Direct Link | - Ravi Shankar, N., T. Srikanth and B. Ravi Kumar, 2010. Dynamic reducts in object oriented information system using rough set theory. Int. J. Eng. Sci. Technol., 2: 122-136.

Direct Link | - Ravi Shankar, N., M.M.K. Raju and P. Hima Bindu, 2010. Discrete time, cost and quality trade-off problem with renewable and non renewable resources. Int. J. Comput. Sci. Math., 2: 285-290.

Direct Link | - Ravi Shankar, N., K.S.N. Rao and V. Sireesha, 2010. Estimating the mean and variance of activity duration in PERT. Int. Math. Forum, 5: 861-868.

Direct Link | - Ravi Shankar, N., G.A. Rao, J.M. Latha and V. Sireesha, 2010. Solving a fuzzy nonlinear optimization problem by genetic algorithm. Int. J. Contemp. Math. Sci., 5: 791-803.

Direct Link | - Ravi Shankar, N., C. Suryanarayana, S. Raja Sekhar and A. Ganapathi Rao, 2010. The kronecker product of symmetric group representations using schur functions. Int. J. Algebra, 4: 579-584.
- Ravi Shankar, N., B. Ravi Kumar, G. Ananda Rao and T. Srikanth, 2010. Reducts in object oriented information system. Int. J. Contemp. Math. Sci., 5: 1771-1787.

Direct Link | - Ravi Shankar, N., B. Ravi Kumar and T. Srikanth, 2010. Rough set model using lattice theory. Int. J. Mach. Intell., 2: 89-92.
- Ravi Shankar, N. and V. Sireesha, 2010. Using modified Dijkstra's algorithm for critical path method in a project network. Int. J. Comput. Appl. Math., 5: 217-225.
- Phani Bushan Rao, P., V. Sireesha and N. Ravi Shankar, 2010. New path float in PERT for right skewed distribution of activity times. Proceedings of the 55th Congress of the Indian Society of Theoretical and Applied Mechanics, December 18-21, 2010, India, pp: 223-228.
- Ravi Shankar, N. and V. Sireesha, 2009. An approximation for the activity duration distribution, supporting original PERT. Appl. Math. Sc., 3: 2823-2834.

Direct Link | - Ravi Shankar, N. and V. Sireesha, 2009. A graphical approach to find the critical path in a project network. Contemp. Eng. Sci., 2: 553-558.

Direct Link | - Ravi Shankar, N. and S.S.R. Babu, 2009. Microsatellites role in HNF4A gene causing type 2 diabetes and MODY. Adv. stud. Biol., 5: 231-242.

Direct Link | - Allam, A.R., S.R. Gumpeny, M.N.V. Thalatam, S.S.R. Babu, N. Ravi Shankar and P. Anuradha, 2008. Study of microsatellites role in BRCA2 Gene causing pancreatic cancer and breast cancer. J. Proteomics Bioinf., 2: 33-35.

Direct Link | - Ravi Shankar, N. and C. Suryanarayana, 2007. Allowed multiplets and coordinate wave functions of the ammonia. Acta Ciencia Ind., 23: 831-837.
- Sarma, C.R., N. Ravi Shankar and S. Rettrup, 2002. A graphical scheme for representing many electron spin-free configurations. Int. J. Quantum Chemi., 86: 417-421.
- Suryanarayana, C. and N. Ravi Shankar, 1998. S-Function identities and their inner products. J. Ind. Acad. Math., 20: 13-17.