R. Uthayakumar

56 papers Journal 55Unranked 1
YearRankTypeTitle / Venue / Authors
2026 J jnl
A two-phase production inventory model for imperfect quality items with multivariate demand, upstream and downstream credit period offers under a carbon tax, and green subsidy.
J. Control. Decis.
C. Jayasankari, R. Uthayakumar
2025 J jnl
A sustainable (Q, R, L) inventory model for reducing defective items with transportation discounts and trade credit financing.
Int. J. Syst. Assur. Eng. Manag.
Balasubramani Malleeswaran, R. Uthayakumar
2023 J jnl
A Chaotic Approach to Recognize the Characteristics of Genetic Codes of Covid Patients.
Comput. methods Biomech. Biomed. Eng. Imaging Vis.
A. A. Navish, R. Uthayakumar
2023 J jnl
A Metaphorical Interpretation on Vessel Segmentation Algorithms by using Local Connected Fractal Dimension.
Comput. methods Biomech. Biomed. Eng. Imaging Vis.
A. A. Navish, M. Priya, R. Uthayakumar
2023 J jnl
A comparative study on estimation of fractal dimension of EMG signal using SWT and FLP.
Comput. methods Biomech. Biomed. Eng. Imaging Vis.
A. A. Navish, M. Priya, R. Uthayakumar
2023 J jnl
An optimal strategy for forecasting demand in a three-echelon supply chain system via metaheuristic optimization.
Soft Comput.
B. Karthick, R. Uthayakumar
2023 J jnl
Optimisation on a constrained integrated supply chain for multiple steel products with investment and freight cost discount.
Int. J. Math. Oper. Res.
S. Tharani, R. Uthayakumar
2022 J jnl
Optimization on dual-channel supply chain model with pricing decision and trapezoidal fuzzy demand under a controllable lead time.
Complex Intell. Syst.
B. Karthick, R. Uthayakumar
2021 J jnl
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.
B. Karthick, R. Uthayakumar
2021 J jnl
An EOQ model of non-instantaneous deteriorating items with price, time-dependent demand and backlogging.
J. Control. Decis.
R. Sundararajan, M. Palanivel, R. Uthayakumar
2020 J jnl
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.
S. Tharani, R. Uthayakumar
2019 J jnl
A two-echelon integrated inventory model under generalized lead time distribution with variable backordering rate.
Int. J. Syst. Assur. Eng. Manag.
M. Ganesh Kumar, R. Uthayakumar
2019 J jnl
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.
S. K. Karuppasamy, R. Uthayakumar
2019 J jnl
Modelling on vendor-managed inventory policies with equal and unequal shipments under GHG emission-trading scheme.
Int. J. Prod. Res.
M. Ganesh Kumar, R. Uthayakumar
2019 J jnl
Multi-item inventory model with variable backorder and price discount under trade credit policy in stochastic demand.
Int. J. Prod. Res.
M. Ganesh Kumar, R. Uthayakumar
2019 J jnl
Single-vendor multi-buyer integrated inventory system for multi-item.
Int. J. Math. Oper. Res.
R. Uthayakumar, M. Ganesh Kumar
2018 J jnl
Constrained integrated inventory model for multi-item under mixture of distributions.
RAIRO Oper. Res.
R. Uthayakumar, M. Ganesh Kumar
2017 J jnl
A production-inventory model with promotional effort, variable production cost and probabilistic deterioration.
Int. J. Syst. Assur. Eng. Manag.
M. Palanivel, R. Uthayakumar
2017 J jnl
A supply chain management in a single-vendor and a single-buyer integrated inventory model with backorders under imperfect production system.
J. Control. Decis.
M. Vijayashree, R. Uthayakumar
2017 J jnl
A two-echelon supply chain coordination with quantity discount incentive for fixed lifetime product in a fuzzy environment.
Int. J. Syst. Assur. Eng. Manag.
K. F. Mary Latha, R. Uthayakumar
2017 J jnl
An integrated production-distribution inventory system involving probabilistic defective and errors in quality inspection under variable setup cost.
Int. Trans. Oper. Res.
S. Priyan, R. Uthayakumar
2017 J jnl
An integrated single vendor-buyer inventory model for imperfect production process with stochastic demand in controllable lead time.
Int. J. Syst. Assur. Eng. Manag.
M. Ganesh Kumar, R. Uthayakumar
2017 J jnl
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.
R. Sundara Rajan, R. Uthayakumar
2017 J jnl
Integrated supply chain model for deteriorating item with exponential demand and triangular fuzzy on holding costs.
J. Control. Decis.
D. Sharmila, R. Uthayakumar
2017 J jnl
Setup cost reduction EMQ inventory system with probabilistic defective and rework in multiple shipments management.
Int. J. Syst. Assur. Eng. Manag.
S. Priyan, R. Uthayakumar
2016 J jnl
An inventory model with imperfect items, stock dependent demand and permissible delay in payments under inflation.
RAIRO Oper. Res.
M. Palanivel, R. Uthayakumar
2016 J jnl
Economic design of an inventory system involving probabilistic deterioration and variable setup cost through mathematical approach.
Int. J. Math. Oper. Res.
S. Priyan, R. Uthayakumar
2016 J jnl
Finite horizon EOQ model for non-instantaneous deteriorating items with probabilistic deterioration and partial backlogging under inflation.
Int. J. Math. Oper. Res.
M. Palanivel, R. Uthayakumar
2016 J jnl
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.
M. Valliathal, R. Uthayakumar
2016 J jnl
Optimal shipment policy with ordering constraint for multi items in healthcare industries.
Int. J. Math. Oper. Res.
C. Velmurugan, R. Uthayakumar
2016 J jnl
Two-echelon supply chain inventory model with controllable lead time.
Int. J. Syst. Assur. Eng. Manag.
M. Vijayashree, R. Uthayakumar
2016 J jnl
Two-warehouse inventory model for non-instantaneous deteriorating items with optimal credit period and partial backlogging under inflation.
J. Control. Decis.
M. Palanivel, R. Uthayakumar
2015 J jnl
Finite horizon EOQ model for non-instantaneous deteriorating items with price and advertisement dependent demand and partial backlogging under inflation.
Int. J. Syst. Sci.
M. Palanivel, R. Uthayakumar
2015 J jnl
Mathematical Modeling and Computational Algorithm to Solve Multi-Echelon Multi-Constraint Inventory Problem with Errors in Quality Inspection.
J. Math. Model. Algorithms Oper. Res.
S. Priyan, R. Uthayakumar
2013 J jnl
Two-echelon inventory model for deteriorating items with credit period dependent demand including shortages under trade credit.
Optim. Lett.
K. Annadurai, R. Uthayakumar
2012 J jnl
An Economic Production Quantity Model for Defective Items with Trapezoidal type Demand Rate.
J. Optim. Theory Appl.
R. Uthayakumar, M. Rameswari
2012 J jnl
Multifractal scaling of crack images from pyroligneous acid dried sludge.
J. Comput. Sci.
R. Uthayakumar, G. Arockia Prabakar, S. Abdul Azis
2011 J jnl
An EOQ model for rebate value and selling-price-dependent demand rate with shortages.
Int. J. Math. Oper. Res.
M. Valliathal, R. Uthayakumar
2011 J jnl
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.
M. Valliathal, R. Uthayakumar
2011 J jnl
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.
M. Valliathal, R. Uthayakumar
2011 J jnl
Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand.
Int. J. Strateg. Decis. Sci.
R. Uthayakumar, M. Valliathal
2011 J jnl
Improved generalized fractal dimensions in the discrimination between Healthy and Epileptic EEG Signals.
J. Comput. Sci.
D. Easwaramoorthy, R. Uthayakumar
2010 J jnl
A finite horizon EPQ model for deteriorating items with shortages under permissible delay in payments.
Int. J. Appl. Decis. Sci.
M. Valliathal, R. Uthayakumar
2010 J jnl
Economic design of an inventory policy for non-instantaneous deteriorating items under permissible delay in payments.
J. Comput. Appl. Math.
K. V. Geetha, R. Uthayakumar
2010 J jnl
Fractal interpolation on the Koch Curve.
Comput. Math. Appl.
P. Paramanathan, R. Uthayakumar
2010 J jnl
Optimal pricing and lot-sizing policy for a two-warehouse supply chain system with perishable items under partial trade credit financing.
Oper. Res.
A. Thangam, R. Uthayakumar
2009 J jnl
A continuous review inventory model with controllable backorder rate and investments.
Int. J. Syst. Sci.
R. Uthayakumar, P. Parvathi
2009 J jnl
Optimal Pricing Strategies for an Inventory System with Perishable Items and Waiting Time Dependent Order Cancellations.
Int. J. Inf. Syst. Supply Chain Manag.
A. Thangam, R. Uthayakumar
2009 — conf
Recognition of Cervical Cancer Based on Fractal Dimension.
ARTCom
G. Jayalalitha, R. Uthayakumar
2009 J jnl
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.
A. Thangam, R. Uthayakumar
2008 J jnl
A two-level supply chain with partial backordering and approximated Poisson demand.
Eur. J. Oper. Res.
A. Thangam, R. Uthayakumar
2008 J jnl
An algorithm for computing the fractal dimension of waveforms.
Appl. Math. Comput.
P. Paramanathan, R. Uthayakumar
2008 J jnl
Application of fractal theory in analysis of human electroencephalographic signals.
Comput. Biol. Medicine
P. Paramanathan, R. Uthayakumar
2008 J jnl
Fractal model for blood flow in cardiovascular system.
Comput. Biol. Medicine
G. Jayalalitha, V. Shanthoshini Deviha, R. Uthayakumar
2007 J jnl
An algorithm for computing fractal dimension of rectifiable irregular graphs.
Appl. Math. Comput.
R. Uthayakumar, P. Paramanathan
2007 J jnl
Fractal dimension of irregular digitalized curves by divider method.
Appl. Math. Comput.
R. Uthayakumar, P. Paramanathan