R. Uthayakumar

Publication Activity (10 Years)

Years Active: 2007-2023
Publications (10 Years): 29

Top Topics

Stochastic Demand

Top Venues

Int. J. Syst. Assur. Eng. Manag.

Int. J. Math. Oper. Res.

J. Control. Decis.

RAIRO Oper. Res.

Publications

A. A. Navish, R. Uthayakumar
A Chaotic Approach to Recognize the Characteristics of Genetic Codes of Covid Patients. Comput. methods Biomech. Biomed. Eng. Imaging Vis. 11 (3) (2023)
B. Karthick, R. Uthayakumar
An optimal strategy for forecasting demand in a three-echelon supply chain system via metaheuristic optimization. Soft Comput. 27 (16) (2023)
S. Tharani, R. Uthayakumar
Optimisation on a constrained integrated supply chain for multiple steel products with investment and freight cost discount. Int. J. Math. Oper. Res. 24 (1) (2023)
A. A. Navish, M. Priya, R. Uthayakumar
A comparative study on estimation of fractal dimension of EMG signal using SWT and FLP. Comput. methods Biomech. Biomed. Eng. Imaging Vis. 11 (3) (2023)
A. A. Navish, M. Priya, R. Uthayakumar
A Metaphorical Interpretation on Vessel Segmentation Algorithms by using Local Connected Fractal Dimension. Comput. methods Biomech. Biomed. Eng. Imaging Vis. 11 (2) (2023)
B. Karthick, R. Uthayakumar
A single-consignor multi-consignee multi-item model with permissible payment delay, delayed shipment and variable lead time under consignment stock policy. RAIRO Oper. Res. 55 (4) (2021)
R. Sundararajan, M. Palanivel, R. Uthayakumar
An EOQ model of non-instantaneous deteriorating items with price, time-dependent demand and backlogging. J. Control. Decis. 8 (2) (2021)
S. Tharani, R. Uthayakumar
A novel approach to safety stock management in an integrated supply chain with controllable lead time and ordering cost reduction using present value. RAIRO Oper. Res. 54 (5) (2020)
S. K. Karuppasamy, R. Uthayakumar
Coordination of a three-level supply chain with variable demand and order size dependent trade credit in healthcare industries. Int. J. Syst. Assur. Eng. Manag. 10 (2) (2019)
M. Ganesh Kumar, R. Uthayakumar
Multi-item inventory model with variable backorder and price discount under trade credit policy in stochastic demand. Int. J. Prod. Res. 57 (1) (2019)
M. Ganesh Kumar, R. Uthayakumar
A two-echelon integrated inventory model under generalized lead time distribution with variable backordering rate. Int. J. Syst. Assur. Eng. Manag. 10 (4) (2019)
M. Ganesh Kumar, R. Uthayakumar
Modelling on vendor-managed inventory policies with equal and unequal shipments under GHG emission-trading scheme. Int. J. Prod. Res. 57 (11) (2019)
R. Uthayakumar, M. Ganesh Kumar
Single-vendor multi-buyer integrated inventory system for multi-item. Int. J. Math. Oper. Res. 14 (3) (2019)
R. Uthayakumar, M. Ganesh Kumar
Constrained integrated inventory model for multi-item under mixture of distributions. RAIRO Oper. Res. 52 (3) (2018)
M. Vijayashree, R. Uthayakumar
A supply chain management in a single-vendor and a single-buyer integrated inventory model with backorders under imperfect production system. J. Control. Decis. 4 (4) (2017)
M. Palanivel, R. Uthayakumar
A production-inventory model with promotional effort, variable production cost and probabilistic deterioration. Int. J. Syst. Assur. Eng. Manag. 8 (1s) (2017)
S. Priyan, R. Uthayakumar
An integrated production-distribution inventory system involving probabilistic defective and errors in quality inspection under variable setup cost. Int. Trans. Oper. Res. 24 (6) (2017)
K. F. Mary Latha, R. Uthayakumar
A two-echelon supply chain coordination with quantity discount incentive for fixed lifetime product in a fuzzy environment. Int. J. Syst. Assur. Eng. Manag. 8 (2s) (2017)
D. Sharmila, R. Uthayakumar
Integrated supply chain model for deteriorating item with exponential demand and triangular fuzzy on holding costs. J. Control. Decis. 4 (4) (2017)
M. Ganesh Kumar, R. Uthayakumar
An integrated single vendor-buyer inventory model for imperfect production process with stochastic demand in controllable lead time. Int. J. Syst. Assur. Eng. Manag. 8 (2s) (2017)
R. Sundara Rajan, R. Uthayakumar
Comprehensive solution procedure for optimizing replenishment policies of instantaneous deteriorating items with stock-dependent demand under partial trade credit linked to order quantity. Int. J. Syst. Assur. Eng. Manag. 8 (2s) (2017)
S. Priyan, R. Uthayakumar
Setup cost reduction EMQ inventory system with probabilistic defective and rework in multiple shipments management. Int. J. Syst. Assur. Eng. Manag. 8 (2) (2017)
S. Priyan, R. Uthayakumar
Economic design of an inventory system involving probabilistic deterioration and variable setup cost through mathematical approach. Int. J. Math. Oper. Res. 8 (3) (2016)
C. Velmurugan, R. Uthayakumar
Optimal shipment policy with ordering constraint for multi items in healthcare industries. Int. J. Math. Oper. Res. 8 (2) (2016)
M. Palanivel, R. Uthayakumar
Finite horizon EOQ model for non-instantaneous deteriorating items with probabilistic deterioration and partial backlogging under inflation. Int. J. Math. Oper. Res. 8 (4) (2016)
M. Palanivel, R. Uthayakumar
Two-warehouse inventory model for non-instantaneous deteriorating items with optimal credit period and partial backlogging under inflation. J. Control. Decis. 3 (2) (2016)
M. Valliathal, R. Uthayakumar
Optimal replenishment policies of an EOQ model for non-instantaneous Weibull deteriorating items with ramp-type of demand under shortages. Int. J. Math. Oper. Res. 8 (1) (2016)
M. Palanivel, R. Uthayakumar
An inventory model with imperfect items, stock dependent demand and permissible delay in payments under inflation. RAIRO Oper. Res. 50 (3) (2016)
M. Vijayashree, R. Uthayakumar
Two-echelon supply chain inventory model with controllable lead time. Int. J. Syst. Assur. Eng. Manag. 7 (1s) (2016)
M. Palanivel, R. Uthayakumar
Finite horizon EOQ model for non-instantaneous deteriorating items with price and advertisement dependent demand and partial backlogging under inflation. Int. J. Syst. Sci. 46 (10) (2015)
S. Priyan, R. Uthayakumar
Mathematical Modeling and Computational Algorithm to Solve Multi-Echelon Multi-Constraint Inventory Problem with Errors in Quality Inspection. J. Math. Model. Algorithms Oper. Res. 14 (1) (2015)
K. Annadurai, R. Uthayakumar
Two-echelon inventory model for deteriorating items with credit period dependent demand including shortages under trade credit. Optim. Lett. 7 (6) (2013)
R. Uthayakumar, G. Arockia Prabakar, S. Abdul Azis
Multifractal scaling of crack images from pyroligneous acid dried sludge. J. Comput. Sci. 3 (1-2) (2012)
R. Uthayakumar, M. Rameswari
An Economic Production Quantity Model for Defective Items with Trapezoidal type Demand Rate. J. Optim. Theory Appl. 154 (3) (2012)
M. Valliathal, R. Uthayakumar
An EOQ model for rebate value and selling-price-dependent demand rate with shortages. Int. J. Math. Oper. Res. 3 (1) (2011)
M. Valliathal, R. Uthayakumar
Effects of ramp type demand and Weibull deterioration rate on retailers' optimal pricing and lot-sizing policies for deteriorating items with partial backlogging. Int. J. Data Anal. Tech. Strateg. 3 (4) (2011)
D. Easwaramoorthy, R. Uthayakumar
Improved generalized fractal dimensions in the discrimination between Healthy and Epileptic EEG Signals. J. Comput. Sci. 2 (1) (2011)
M. Valliathal, R. Uthayakumar
Designing a new computational approach of partial backlogging on the economic production quantity model for deteriorating items with non-linear holding cost under inflationary conditions. Optim. Lett. 5 (3) (2011)
R. Uthayakumar, M. Valliathal
Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand. Int. J. Strateg. Decis. Sci. 2 (3) (2011)
K. V. Geetha, R. Uthayakumar
Economic design of an inventory policy for non-instantaneous deteriorating items under permissible delay in payments. J. Comput. Appl. Math. 233 (10) (2010)
P. Paramanathan, R. Uthayakumar
Fractal interpolation on the Koch Curve. Comput. Math. Appl. 59 (10) (2010)
M. Valliathal, R. Uthayakumar
A finite horizon EPQ model for deteriorating items with shortages under permissible delay in payments. Int. J. Appl. Decis. Sci. 3 (4) (2010)
A. Thangam, R. Uthayakumar
Optimal pricing and lot-sizing policy for a two-warehouse supply chain system with perishable items under partial trade credit financing. Oper. Res. 10 (2) (2010)
R. Uthayakumar, P. Parvathi
A continuous review inventory model with controllable backorder rate and investments. Int. J. Syst. Sci. 40 (3) (2009)
G. Jayalalitha, R. Uthayakumar
Recognition of Cervical Cancer Based on Fractal Dimension. ARTCom (2009)
A. Thangam, R. Uthayakumar
Two-echelon trade credit financing for perishable items in a supply chain when demand depends on both selling price and credit period. Comput. Ind. Eng. 57 (3) (2009)
A. Thangam, R. Uthayakumar
Optimal Pricing Strategies for an Inventory System with Perishable Items and Waiting Time Dependent Order Cancellations. Int. J. Inf. Syst. Supply Chain Manag. 2 (4) (2009)
P. Paramanathan, R. Uthayakumar
An algorithm for computing the fractal dimension of waveforms. Appl. Math. Comput. 195 (2) (2008)
G. Jayalalitha, V. Shanthoshini Deviha, R. Uthayakumar
Fractal model for blood flow in cardiovascular system. Comput. Biol. Medicine 38 (6) (2008)
A. Thangam, R. Uthayakumar
A two-level supply chain with partial backordering and approximated Poisson demand. Eur. J. Oper. Res. 187 (1) (2008)
P. Paramanathan, R. Uthayakumar
Application of fractal theory in analysis of human electroencephalographic signals. Comput. Biol. Medicine 38 (3) (2008)
R. Uthayakumar, P. Paramanathan
An algorithm for computing fractal dimension of rectifiable irregular graphs. Appl. Math. Comput. 190 (1) (2007)
R. Uthayakumar, P. Paramanathan
Fractal dimension of irregular digitalized curves by divider method. Appl. Math. Comput. 189 (1) (2007)