R. Uthayakumar

Orcid: 0000-0002-8819-1520

Affiliations:
  • Gandhigram Rural University, Department of Mathematics, India


According to our database1, R. Uthayakumar authored at least 60 papers between 2007 and 2023.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

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Bibliography

2023
An optimal strategy for forecasting demand in a three-echelon supply chain system via metaheuristic optimization.
Soft Comput., August, 2023

A Chaotic Approach to Recognize the Characteristics of Genetic Codes of Covid Patients.
Comput. methods Biomech. Biomed. Eng. Imaging Vis., May, 2023

A comparative study on estimation of fractal dimension of EMG signal using SWT and FLP.
Comput. methods Biomech. Biomed. Eng. Imaging Vis., May, 2023

A Metaphorical Interpretation on Vessel Segmentation Algorithms by using Local Connected Fractal Dimension.
Comput. methods Biomech. Biomed. Eng. Imaging Vis., March, 2023

Optimisation on a constrained integrated supply chain for multiple steel products with investment and freight cost discount.
Int. J. Math. Oper. Res., 2023

2022
A sustainable inventory model for setup and ordering cost reduction under a controllable lead time.
Int. J. Math. Oper. Res., 2022

2021
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., 2021

Imperfect production supply chain model considering price-sensitive demand and quantity discounts under free distribution approach.
RAIRO Oper. Res., 2021

An EOQ model of non-instantaneous deteriorating items with price, time-dependent demand and backlogging.
J. Control. Decis., 2021

Inflation and time value of money in a vendor-buyer inventory system with transportation cost and ordering cost reduction.
J. Control. Decis., 2021

2020
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., 2020

Integrated production inventory model with variable production rate on quality of products involving probabilistic defective under variable setup cost.
RAIRO Oper. Res., 2020

A neoteric approach to geometric shipment policy in an integrated supply chain with setup cost reduction and freight cost using service level constraint.
RAIRO Oper. Res., 2020

2019
A two-echelon integrated inventory model under generalized lead time distribution with variable backordering rate.
Int. J. Syst. Assur. Eng. Manag., 2019

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., 2019

Modelling on vendor-managed inventory policies with equal and unequal shipments under GHG emission-trading scheme.
Int. J. Prod. Res., 2019

Multi-item inventory model with variable backorder and price discount under trade credit policy in stochastic demand.
Int. J. Prod. Res., 2019

Single-vendor multi-buyer integrated inventory system for multi-item.
Int. J. Math. Oper. Res., 2019

2018
Constrained integrated inventory model for multi-item under mixture of distributions.
RAIRO Oper. Res., 2018

2017
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., 2017

Setup cost reduction EMQ inventory system with probabilistic defective and rework in multiple shipments management.
Int. J. Syst. Assur. Eng. Manag., 2017

A production-inventory model with promotional effort, variable production cost and probabilistic deterioration.
Int. J. Syst. Assur. Eng. Manag., 2017

A two-echelon supply chain coordination with quantity discount incentive for fixed lifetime product in a fuzzy environment.
Int. J. Syst. Assur. Eng. Manag., 2017

An integrated single vendor-buyer inventory model for imperfect production process with stochastic demand in controllable lead time.
Int. J. Syst. Assur. Eng. Manag., 2017

An inventory model with uncertain demand and lost sales reduction under service level constraint.
Int. J. Syst. Assur. Eng. Manag., 2017

A supply chain management in a single-vendor and a single-buyer integrated inventory model with backorders under imperfect production system.
J. Control. Decis., 2017

Integrated supply chain model for deteriorating item with exponential demand and triangular fuzzy on holding costs.
J. Control. Decis., 2017

An integrated production-distribution inventory system involving probabilistic defective and errors in quality inspection under variable setup cost.
Int. Trans. Oper. Res., 2017

2016
Two-echelon supply chain inventory model with controllable lead time.
Int. J. Syst. Assur. Eng. Manag., 2016

An inventory model with imperfect items, stock dependent demand and permissible delay in payments under inflation.
RAIRO Oper. Res., 2016

Two-warehouse inventory model for non-instantaneous deteriorating items with optimal credit period and partial backlogging under inflation.
J. Control. Decis., 2016

Optimal shipment policy with ordering constraint for multi items in healthcare industries.
Int. J. Math. Oper. Res., 2016

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., 2016

Economic design of an inventory system involving probabilistic deterioration and variable setup cost through mathematical approach.
Int. J. Math. Oper. Res., 2016

Finite horizon EOQ model for non-instantaneous deteriorating items with probabilistic deterioration and partial backlogging under inflation.
Int. J. Math. Oper. Res., 2016

Mid-sagittal plane detection in brain magnetic resonance image based on multifractal techniques.
IET Image Process., 2016

2015
Mathematical Modeling and Computational Algorithm to Solve Multi-Echelon Multi-Constraint Inventory Problem with Errors in Quality Inspection.
J. Math. Model. Algorithms Oper. Res., 2015

Finite horizon EOQ model for non-instantaneous deteriorating items with price and advertisement dependent demand and partial backlogging under inflation.
Int. J. Syst. Sci., 2015

2013
Two-echelon inventory model for deteriorating items with credit period dependent demand including shortages under trade credit.
Optim. Lett., 2013

2012
An Economic Production Quantity Model for Defective Items with Trapezoidal type Demand Rate.
J. Optim. Theory Appl., 2012

Multifractal scaling of crack images from pyroligneous acid dried sludge.
J. Comput. Sci., 2012

2011
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., 2011

Improved generalized fractal dimensions in the discrimination between Healthy and Epileptic EEG Signals.
J. Comput. Sci., 2011

Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand.
Int. J. Strateg. Decis. Sci., 2011

An EOQ model for rebate value and selling-price-dependent demand rate with shortages.
Int. J. Math. Oper. Res., 2011

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., 2011

2010
Optimal pricing and lot-sizing policy for a two-warehouse supply chain system with perishable items under partial trade credit financing.
Oper. Res., 2010

Economic design of an inventory policy for non-instantaneous deteriorating items under permissible delay in payments.
J. Comput. Appl. Math., 2010

A finite horizon EPQ model for deteriorating items with shortages under permissible delay in payments.
Int. J. Appl. Decis. Sci., 2010

Fractal interpolation on the Koch Curve.
Comput. Math. Appl., 2010

2009
A continuous review inventory model with controllable backorder rate and investments.
Int. J. Syst. Sci., 2009

Optimal Pricing Strategies for an Inventory System with Perishable Items and Waiting Time Dependent Order Cancellations.
Int. J. Inf. Syst. Supply Chain Manag., 2009

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., 2009

Recognition of Cervical Cancer Based on Fractal Dimension.
Proceedings of the ARTCom 2009, 2009

2008
A two-level supply chain with partial backordering and approximated Poisson demand.
Eur. J. Oper. Res., 2008

Application of fractal theory in analysis of human electroencephalographic signals.
Comput. Biol. Medicine, 2008

Fractal model for blood flow in cardiovascular system.
Comput. Biol. Medicine, 2008

An algorithm for computing the fractal dimension of waveforms.
Appl. Math. Comput., 2008

2007
An algorithm for computing fractal dimension of rectifiable irregular graphs.
Appl. Math. Comput., 2007

Fractal dimension of irregular digitalized curves by divider method.
Appl. Math. Comput., 2007


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