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Kumar Upadhyay, Ranjit

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Author ID: kumar-upadhyay.ranjit Recent zbMATH articles by "Kumar Upadhyay, Ranjit"
Published as: Upadhyay, Ranjit Kumar; Kumar Upadhyay, Ranjit

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84 Publications have been cited 615 times in 432 Documents Cited by Year
Chaos: An ecological reality? Zbl 0935.92037
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.; Rai, Vikas
44
1998
Effect of seasonality on the dynamics of 2 and 3 species prey - predator systems. Zbl 1072.92058
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.
40
2005
Dynamics of a three species food chain model with Crowley-Martin type functional response. Zbl 1198.37132
Upadhyay, Ranjit Kumar; Naji, Raid Kamel
38
2009
Crisis-limited chaotic dynamics in ecological systems. Zbl 0977.92033
Upadhyay, Ranjit Kumar; Rai, Vikas
27
2001
Top-predator interference and gestation delay as determinants of the dynamics of a realistic model food chain. Zbl 1352.92126
Jana, Debaldev; Agrawal, Rashmi; Upadhyay, Ranjit Kumar
25
2014
Chaotic population dynamics and biology of the top-predator. Zbl 1057.92056
Rai, Vikas; Upadhyay, Ranjit Kumar
20
2004
Modeling the virus dynamics in computer network with SVEIR model and nonlinear incident rate. Zbl 1377.34066
Upadhyay, Ranjit Kumar; Kumari, Sangeeta; Misra, A. K.
18
2017
Complex dynamics of a three species food-chain model with Holling type IV functional response. Zbl 1272.49085
Upadhyay, Ranjit Kumar; Raw, Sharada Nandan
17
2011
Multiple attractors and crisis route to chaos in a model food-chain. Zbl 1033.92038
Upadhyay, Ranjit Kumar
17
2003
Wave of chaos in a diffusive system: generating realistic patterns of patchiness in plankton-fish dynamics. Zbl 1197.37121
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
16
2009
Introduction to mathematical modeling and chaotic dynamics. Zbl 1302.00059
Kumar Upadhyay, Ranjit; Iyengar, Satteluri R. K.
15
2014
Stability and complexity in ecological systems. Zbl 0943.92033
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.; Rai, Vikas
14
2000
Spatiotemporal pattern formation in a diffusive predator-prey system: An analytical approach. Zbl 1181.35022
Dubey, Balram; Kumari, Nitu; Upadhyay, Ranjit Kumar
14
2009
Complex dynamics of ecological systems under nonlinear harvesting: Hopf bifurcation and Turing instability. Zbl 1331.92136
Upadhyay, Ranjit Kumar; Roy, Parimita; Datta, Jyotiska
13
2015
The role of top predator interference on the dynamics of a food chain model. Zbl 1277.92035
Upadhyay, Ranjit Kumar; Naji, Raid Kamel; Raw, Sharada Nandn; Dubey, Balram
12
2013
Dynamics and responses of a predator-prey system with competitive interference and time delay. Zbl 1349.37092
Upadhyay, Ranjit Kumar; Agrawal, Rashmi
12
2016
Chaos control and synchronization of a three-species food chain model via Holling functional response. Zbl 1179.92068
Wu, Xiang-Jun; Li, Jie; Upadhyay, Ranjit Kumar
11
2010
Short-term recurrent chaos and role of toxin producing phytoplankton (TPP) on chaotic dynamics in aquatic systems. Zbl 1197.37122
Upadhyay, Ranjit Kumar; Rao, V. Sree Hari
9
2009
Complex dynamics and synchronization in two non-identical chaotic ecological systems. Zbl 1198.37133
Upadhyay, Ranjit Kumar; Rai, Vikas
9
2009
Observability of chaos and cycles in ecological systems: lessons from predator-prey models. Zbl 1182.92067
Upadhyay, Ranjit Kumar
9
2009
On the explosive instability in a three-species food chain model with modified Holling type IV functional response. Zbl 1382.35137
Parshad, Rana D.; Upadhyay, Ranjit Kumar; Mishra, Swati; Tiwari, Satish Kumar; Sharma, Swarnali
9
2017
Exploring dynamical complexity in diffusion driven predator-prey systems: effect of toxin producing phytoplankton and spatial heterogeneities. Zbl 1198.37131
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
9
2009
Mixed mode oscillations and synchronous activity in noise induced modified Morris-Lecar neural system. Zbl 1367.34067
Upadhyay, Ranjit Kumar; Mondal, Argha; Teka, Wondimu W.
8
2017
Restoration and recovery of damaged eco-epidemiological systems: application to the Salton Sea, California, USA. Zbl 1261.92060
Upadhyay, Ranjit Kumar; Raw, S. N.; Roy, P.; Rai, Vikas
8
2013
Evolving to the edge of chaos: Chance or necessity? Zbl 1142.92344
Rai, Vikas; Upadhyay, Ranjit Kumar
8
2006
Diffusion-driven instabilities and spatio-temporal patterns in an aquatic predator-prey system with Beddington-DeAngelis type functional response. Zbl 1215.35161
Upadhyay, Ranjit Kumar; Thakur, N. K.; Rai, V.
8
2011
Exploring the dynamics of a Holling-Tanner model with cannibalism in both predator and prey population. Zbl 1381.92072
Al Basheer, Aladeen; Parshad, Rana D.; Quansah, Emmanuel; Yu, Shengbin; Kumar Upadhyay, Ranjit
8
2018
Spread of a disease and its effect on population dynamics in an eco-epidemiological system. Zbl 1470.92388
Upadhyay, Ranjit Kumar; Roy, Parimita
7
2014
Ecological chaos and the choice of optimal harvesting policy. Zbl 1353.92109
Upadhyay, Ranjit Kumar; Tiwari, S. K.
7
2017
Complex dynamics of sexually reproductive generalist predator and gestation delay in a food chain model: double Hopf-bifurcation to chaos. Zbl 1375.92042
Agrawal, Rashmi; Jana, Debaldev; Kumar Upadhyay, Ranjit; Rao, V. Sree Hari
7
2017
Species extinction problem: genetic vs ecological factors. Zbl 0987.92031
Upadhyay, Ranjit Kumar; Rai, Vikas; Iyengar, S. R. K.
6
2001
Dynamical consequences of predator interference in a tri-trophic model food chain. Zbl 1181.37120
Naji, Raid Kamel; Upadhyay, Ranjit Kumar; Rai, Vikas
6
2010
Modeling the spread of bird flu and predicting outbreak diversity. Zbl 1154.92324
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rao, V. Sree Hari
6
2008
Wave of chaos in a spatial eco-epidemiological system: generating realistic patterns of patchiness in rabbit-lynx dynamics. Zbl 1348.92134
Upadhyay, Ranjit Kumar; Roy, Parimita; Venkataraman, C.; Madzvamuse, A.
6
2016
Ecological dynamics of age selective harvesting of fish population: maximum sustainable yield and its control strategy. Zbl 1372.92083
Jana, Debaldev; Agrawal, Rashmi; Upadhyay, Ranjit Kumar; Samanta, G. P.
6
2016
Bifurcation analysis of a modified Leslie-Gower model with Holling type-IV functional response and nonlinear prey harvesting. Zbl 1445.37075
Zhang, Zizhen; Upadhyay, Ranjit Kumar; Datta, Jyotiska
6
2018
Deciphering dynamics of epidemic spread: the case of influenza virus. Zbl 1296.35201
Upadhyay, Ranjit Kumar; Roy, Parimita; Rai, Vikas
5
2014
Dynamics of an SEIR epidemic model with nonlinear incidence and treatment rates. Zbl 1468.92060
Upadhyay, Ranjit Kumar; Pal, Ashok Kumar; Kumari, Sangeeta; Roy, Parimita
5
2019
Dynamics of generalist predator in a stochastic environment: effect of delayed growth and prey refuge. Zbl 1410.34136
Jana, Debaldev; Agrawal, Rashmi; Upadhyay, Ranjit Kumar
5
2015
Nonlinear non-equilibrium pattern formation in a spatial aquatic system: effect of fish predation. Zbl 1342.92034
Upadhyay, Ranjit Kumar; Thakur, N. K.; Dubey, B.
4
2010
Discrete and data packet delays as determinants of switching stability in wireless sensor networks. Zbl 1481.34085
Upadhyay, Ranjit Kumar; Kumari, Sangeeta
4
2019
Modeling the fear effect and stability of non-equilibrium patterns in mutually interfering predator-prey systems. Zbl 1433.92042
Tiwari, Vandana; Tripathi, Jai Prakash; Mishra, Swati; Upadhyay, Ranjit Kumar
4
2020
Strategies for the existence of spatial patterns in predator-prey communities generated by cross-diffusion. Zbl 1430.92073
Mishra, Swati; Upadhyay, Ranjit Kumar
4
2020
Emergence of spatial patterns in a damaged diffusive eco-epidemiological system. Zbl 1401.35296
Upadhyay, Ranjit Kumar; Datta, Jyotiska; Dong, Yueping; Takeuchi, Yasuhiro
4
2018
Global dynamics of stochastic predator-prey model with mutual interference and prey defense. Zbl 1431.92125
Upadhyay, Ranjit Kumar; Parshad, Rana D.; Antwi-Fordjour, Kwadwo; Quansah, Emmanuel; Kumari, Sarita
4
2019
Modeling the effect of mutual interference in a delay-induced predator-prey system. Zbl 1358.37126
Upadhyay, Ranjit Kumar; Agrawal, Rashmi
4
2015
Synchronization of bursting neurons with a slowly varying d. c. current. Zbl 1373.92030
Upadhyay, Ranjit Kumar; Mondal, Argha
4
2017
Finite time blowup in a realistic food-chain model. Zbl 1300.92085
Parshad, Rana D.; Abderrahmane, Hamid Ait; Upadhyay, Ranjit Kumar; Kumari, Nitu
4
2013
Spiking and bursting patterns of fractional-order Izhikevich model. Zbl 07263234
Teka, Wondimu W.; Upadhyay, Ranjit Kumar; Mondal, Argha
4
2018
Wave phenomena and edge of chaos in a diffusive predator-prey system under Allee effect. Zbl 1211.37120
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
3
2009
Fractional-order leaky integrate-and-fire model with long-term memory and power law dynamics. Zbl 1431.92025
Teka, Wondimu W.; Upadhyay, Ranjit Kumar; Mondal, Argha
3
2017
Complex population dynamics in heterogeneous environments: effects of random and directed animal movements. Zbl 1401.92164
Rai, Vikas; Upadhyay, Ranjit Kumar; Thakur, Nilesh Kumar
3
2012
Transmission dynamics of epidemic spread and outbreak of Ebola in West Africa: fuzzy modeling and simulation. Zbl 1422.92171
Verma, Renu; Tiwari, S. P.; Upadhyay, Ranjit Kumar
3
2019
Complex dynamics of wetland ecosystem with nonlinear harvesting: application to Chilika lake in Odisha, India. Zbl 1319.34095
Upadhyay, Ranjit Kumar; Tiwari, S. K.; Roy, Parimita
3
2015
Harmful algal blooms in fresh and marine water systems: the role of toxin producing phytoplankton. Zbl 1338.92114
Thakur, Nilesh Kumar; Tiwari, S. K.; Upadhyay, Ranjit Kumar
3
2016
The gestation delay: a factor causing complex dynamics in Gause-type competition models. Zbl 1407.92119
Zhang, Zizhen; Upadhyay, Ranjit Kumar; Agrawal, Rashmi; Datta, Jyotiska
3
2018
Delay-induced Hopf bifurcation of an SVEIR computer virus model with nonlinear incidence rate. Zbl 1448.68049
Zhao, Tao; Zhang, Zizhen; Upadhyay, Ranjit Kumar
3
2018
Deterministic chaos versus stochastic oscillation in a prey-predator-top predator model. Zbl 1233.37060
Upadhyay, Ranjit Kumar; Banerjee, Malay; Parshad, Rana; Raw, Sharada Nandan
2
2011
Modeling spatiotemporal dynamics of vole populations in Europe and America. Zbl 1181.92087
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
2
2010
Estimation of biophysical parameters in a neuron model under random fluctuations. Zbl 1427.92034
Upadhyay, Ranjit Kumar; Paul, Chinmoy; Mondal, Argha; Vishwakarma, Gajendra K.
2
2018
Deciphering dynamics of recent epidemic spread and outbreak in West Africa: the case of Ebola virus. Zbl 1347.35225
Upadhyay, Ranjit Kumar; Roy, Parimita
2
2016
Diffusive three species plankton model in the presence of toxic prey: application to Sundarban mangrove wetland. Zbl 1376.92052
Thakur, Nilesh Kumar; Tiwari, S. K.; Dubey, B.; Upadhyay, Ranjit Kumar
2
2017
Complex dynamics of diffusive predator-prey system with Beddington-DeAngelis functional response: the role of prey-taxis. Zbl 1372.92093
Thakur, Nilesh Kumar; Gupta, Rashi; Upadhyay, Ranjit Kumar
2
2017
Dynamics of an ecological model living on the edge of chaos. Zbl 1162.92337
Upadhyay, Ranjit Kumar
2
2009
Disease spread and its effect on population dynamics in heterogeneous environment. Zbl 1334.35355
Upadhyay, Ranjit Kumar; Roy, Parimita
2
2016
Salton sea: an ecosystem in crisis. Zbl 1405.92304
Upadhyay, Ranjit Kumar; Kumari, Sarita; Kumari, Sangeeta; Rai, Vikas
2
2018
Long time dynamics of a three-species food chain model with Allee effect in the top predator. Zbl 1443.92166
Parshad, Rana D.; Quansah, Emmanuel; Black, Kelly; Upadhyay, Ranjit Kumar; Tiwari, S. K.; Kumari, Nitu
2
2016
Modeling Zika transmission dynamics: prevention and control. Zbl 1451.92310
Roy, Parimita; Kumar Upadhyay, Ranjit; Caur, Jasmine
2
2020
Bifurcation and bio-economic analysis of a prey-generalist predator model with Holling type IV functional response and nonlinear age-selective prey harvesting. Zbl 1448.92185
Datta, Jyotiska; Jana, Debaldev; Upadhyay, Ranjit Kumar
2
2019
Exploring dynamical complexity in a time-delayed tumor-immune model. Zbl 1451.92164
Das, Parthasakha; Upadhyay, Ranjit Kumar; Das, Pritha; Ghosh, Dibakar
2
2020
Optimal treatment strategies for delayed cancer-immune system with multiple therapeutic approach. Zbl 07501398
Das, Parthasakha; Das, Samhita; Upadhyay, Ranjit Kumar; Das, Pritha
2
2020
Extinction and coexistence of competing prey species in ecological systems. Zbl 1112.92069
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.
1
2006
Dynamic relationship between the mutual interference and gestation delays of a hybrid tritrophic food chain model. Zbl 1431.92120
Agrawal, Rashmi; Jana, Debaldev; Upadhyay, Ranjit Kumar; Sree Hari Rao, V.
1
2018
Investigation of an explosive food chain model with interference and inhibitory effects. Zbl 1485.92179
Upadhyay, Ranjit Kumar; Mishra, Swati; Parshad, Rana D.; Lyu, Jingjing; Basheer, Aladeen Al
1
2017
Dynamics and patterns of species abundance in ocean: a mathematical modeling study. Zbl 1464.35368
Kumari, Sarita; Upadhyay, Ranjit Kumar; Kumar, Pramod; Rai, Vikas
1
2021
Synchronization analysis through coupling mechanism in realistic neural models. Zbl 1443.34050
Kumar Upadhyay, Ranjit; Mondal, Argha; Aziz-Alaoui, M. A.
1
2017
Spatiotemporal transmission dynamics of recent Ebola outbreak in Sierra Leone, West Africa: impact of control measures. Zbl 1398.92250
Roy, Parimita; Upadhyay, Ranjit Kumar
1
2017
Predator interference effects on biological control: the “paradox” of the generalist predator revisited. Zbl 07249759
Parshad, Rana D.; Bhowmick, Suman; Quansah, Emmanuel; Basheer, Aladeen; Upadhyay, Ranjit Kumar
1
2016
A predator-prey interaction model with self- and cross-diffusion in aquatic systems. Zbl 1302.92117
Upadhyay, Ranjit Kumar; Patra, Atasi; Dubey, B.; Thakur, N. K.
1
2014
Synchronization and pattern formation in a memristive diffusive neuron model. Zbl 1471.92078
Sharma, Sanjeev Kumar; Mondal, Arnab; Mondal, Argha; Upadhyay, Ranjit Kumar; Ma, Jun
1
2021
Dynamics of a modified excitable neuron model: diffusive instabilities and traveling wave solutions. Zbl 1403.92043
Mondal, Argha; Upadhyay, Ranjit Kumar; Mondal, Arnab; Sharma, Sanjeev Kumar
1
2018
Finite time blow-up in a delayed diffusive population model with competitive interference. Zbl 1401.35185
Parshad, Rana D.; Bhowmick, Suman; Quansah, Emmanuel; Agrawal, Rashmi; Upadhyay, Ranjit Kumar
1
2017
Virus dynamics of a distributed attack on a targeted network: effect of firewall and optimal control. Zbl 1464.94038
Kumari, Sangeeta; Singh, Prerna; Upadhyay, Ranjit Kumar
1
2019
Spatial dynamics and pattern formation in biological populations. Zbl 1478.92003
Kumar Upadhyay, Ranjit; Iyengar, Satteluri R. K.
1
2021
Dynamics and patterns of species abundance in ocean: a mathematical modeling study. Zbl 1464.35368
Kumari, Sarita; Upadhyay, Ranjit Kumar; Kumar, Pramod; Rai, Vikas
1
2021
Synchronization and pattern formation in a memristive diffusive neuron model. Zbl 1471.92078
Sharma, Sanjeev Kumar; Mondal, Arnab; Mondal, Argha; Upadhyay, Ranjit Kumar; Ma, Jun
1
2021
Spatial dynamics and pattern formation in biological populations. Zbl 1478.92003
Kumar Upadhyay, Ranjit; Iyengar, Satteluri R. K.
1
2021
Modeling the fear effect and stability of non-equilibrium patterns in mutually interfering predator-prey systems. Zbl 1433.92042
Tiwari, Vandana; Tripathi, Jai Prakash; Mishra, Swati; Upadhyay, Ranjit Kumar
4
2020
Strategies for the existence of spatial patterns in predator-prey communities generated by cross-diffusion. Zbl 1430.92073
Mishra, Swati; Upadhyay, Ranjit Kumar
4
2020
Modeling Zika transmission dynamics: prevention and control. Zbl 1451.92310
Roy, Parimita; Kumar Upadhyay, Ranjit; Caur, Jasmine
2
2020
Exploring dynamical complexity in a time-delayed tumor-immune model. Zbl 1451.92164
Das, Parthasakha; Upadhyay, Ranjit Kumar; Das, Pritha; Ghosh, Dibakar
2
2020
Optimal treatment strategies for delayed cancer-immune system with multiple therapeutic approach. Zbl 07501398
Das, Parthasakha; Das, Samhita; Upadhyay, Ranjit Kumar; Das, Pritha
2
2020
Dynamics of an SEIR epidemic model with nonlinear incidence and treatment rates. Zbl 1468.92060
Upadhyay, Ranjit Kumar; Pal, Ashok Kumar; Kumari, Sangeeta; Roy, Parimita
5
2019
Discrete and data packet delays as determinants of switching stability in wireless sensor networks. Zbl 1481.34085
Upadhyay, Ranjit Kumar; Kumari, Sangeeta
4
2019
Global dynamics of stochastic predator-prey model with mutual interference and prey defense. Zbl 1431.92125
Upadhyay, Ranjit Kumar; Parshad, Rana D.; Antwi-Fordjour, Kwadwo; Quansah, Emmanuel; Kumari, Sarita
4
2019
Transmission dynamics of epidemic spread and outbreak of Ebola in West Africa: fuzzy modeling and simulation. Zbl 1422.92171
Verma, Renu; Tiwari, S. P.; Upadhyay, Ranjit Kumar
3
2019
Bifurcation and bio-economic analysis of a prey-generalist predator model with Holling type IV functional response and nonlinear age-selective prey harvesting. Zbl 1448.92185
Datta, Jyotiska; Jana, Debaldev; Upadhyay, Ranjit Kumar
2
2019
Virus dynamics of a distributed attack on a targeted network: effect of firewall and optimal control. Zbl 1464.94038
Kumari, Sangeeta; Singh, Prerna; Upadhyay, Ranjit Kumar
1
2019
Exploring the dynamics of a Holling-Tanner model with cannibalism in both predator and prey population. Zbl 1381.92072
Al Basheer, Aladeen; Parshad, Rana D.; Quansah, Emmanuel; Yu, Shengbin; Kumar Upadhyay, Ranjit
8
2018
Bifurcation analysis of a modified Leslie-Gower model with Holling type-IV functional response and nonlinear prey harvesting. Zbl 1445.37075
Zhang, Zizhen; Upadhyay, Ranjit Kumar; Datta, Jyotiska
6
2018
Emergence of spatial patterns in a damaged diffusive eco-epidemiological system. Zbl 1401.35296
Upadhyay, Ranjit Kumar; Datta, Jyotiska; Dong, Yueping; Takeuchi, Yasuhiro
4
2018
Spiking and bursting patterns of fractional-order Izhikevich model. Zbl 07263234
Teka, Wondimu W.; Upadhyay, Ranjit Kumar; Mondal, Argha
4
2018
The gestation delay: a factor causing complex dynamics in Gause-type competition models. Zbl 1407.92119
Zhang, Zizhen; Upadhyay, Ranjit Kumar; Agrawal, Rashmi; Datta, Jyotiska
3
2018
Delay-induced Hopf bifurcation of an SVEIR computer virus model with nonlinear incidence rate. Zbl 1448.68049
Zhao, Tao; Zhang, Zizhen; Upadhyay, Ranjit Kumar
3
2018
Estimation of biophysical parameters in a neuron model under random fluctuations. Zbl 1427.92034
Upadhyay, Ranjit Kumar; Paul, Chinmoy; Mondal, Argha; Vishwakarma, Gajendra K.
2
2018
Salton sea: an ecosystem in crisis. Zbl 1405.92304
Upadhyay, Ranjit Kumar; Kumari, Sarita; Kumari, Sangeeta; Rai, Vikas
2
2018
Dynamic relationship between the mutual interference and gestation delays of a hybrid tritrophic food chain model. Zbl 1431.92120
Agrawal, Rashmi; Jana, Debaldev; Upadhyay, Ranjit Kumar; Sree Hari Rao, V.
1
2018
Dynamics of a modified excitable neuron model: diffusive instabilities and traveling wave solutions. Zbl 1403.92043
Mondal, Argha; Upadhyay, Ranjit Kumar; Mondal, Arnab; Sharma, Sanjeev Kumar
1
2018
Modeling the virus dynamics in computer network with SVEIR model and nonlinear incident rate. Zbl 1377.34066
Upadhyay, Ranjit Kumar; Kumari, Sangeeta; Misra, A. K.
18
2017
On the explosive instability in a three-species food chain model with modified Holling type IV functional response. Zbl 1382.35137
Parshad, Rana D.; Upadhyay, Ranjit Kumar; Mishra, Swati; Tiwari, Satish Kumar; Sharma, Swarnali
9
2017
Mixed mode oscillations and synchronous activity in noise induced modified Morris-Lecar neural system. Zbl 1367.34067
Upadhyay, Ranjit Kumar; Mondal, Argha; Teka, Wondimu W.
8
2017
Ecological chaos and the choice of optimal harvesting policy. Zbl 1353.92109
Upadhyay, Ranjit Kumar; Tiwari, S. K.
7
2017
Complex dynamics of sexually reproductive generalist predator and gestation delay in a food chain model: double Hopf-bifurcation to chaos. Zbl 1375.92042
Agrawal, Rashmi; Jana, Debaldev; Kumar Upadhyay, Ranjit; Rao, V. Sree Hari
7
2017
Synchronization of bursting neurons with a slowly varying d. c. current. Zbl 1373.92030
Upadhyay, Ranjit Kumar; Mondal, Argha
4
2017
Fractional-order leaky integrate-and-fire model with long-term memory and power law dynamics. Zbl 1431.92025
Teka, Wondimu W.; Upadhyay, Ranjit Kumar; Mondal, Argha
3
2017
Diffusive three species plankton model in the presence of toxic prey: application to Sundarban mangrove wetland. Zbl 1376.92052
Thakur, Nilesh Kumar; Tiwari, S. K.; Dubey, B.; Upadhyay, Ranjit Kumar
2
2017
Complex dynamics of diffusive predator-prey system with Beddington-DeAngelis functional response: the role of prey-taxis. Zbl 1372.92093
Thakur, Nilesh Kumar; Gupta, Rashi; Upadhyay, Ranjit Kumar
2
2017
Investigation of an explosive food chain model with interference and inhibitory effects. Zbl 1485.92179
Upadhyay, Ranjit Kumar; Mishra, Swati; Parshad, Rana D.; Lyu, Jingjing; Basheer, Aladeen Al
1
2017
Synchronization analysis through coupling mechanism in realistic neural models. Zbl 1443.34050
Kumar Upadhyay, Ranjit; Mondal, Argha; Aziz-Alaoui, M. A.
1
2017
Spatiotemporal transmission dynamics of recent Ebola outbreak in Sierra Leone, West Africa: impact of control measures. Zbl 1398.92250
Roy, Parimita; Upadhyay, Ranjit Kumar
1
2017
Finite time blow-up in a delayed diffusive population model with competitive interference. Zbl 1401.35185
Parshad, Rana D.; Bhowmick, Suman; Quansah, Emmanuel; Agrawal, Rashmi; Upadhyay, Ranjit Kumar
1
2017
Dynamics and responses of a predator-prey system with competitive interference and time delay. Zbl 1349.37092
Upadhyay, Ranjit Kumar; Agrawal, Rashmi
12
2016
Wave of chaos in a spatial eco-epidemiological system: generating realistic patterns of patchiness in rabbit-lynx dynamics. Zbl 1348.92134
Upadhyay, Ranjit Kumar; Roy, Parimita; Venkataraman, C.; Madzvamuse, A.
6
2016
Ecological dynamics of age selective harvesting of fish population: maximum sustainable yield and its control strategy. Zbl 1372.92083
Jana, Debaldev; Agrawal, Rashmi; Upadhyay, Ranjit Kumar; Samanta, G. P.
6
2016
Harmful algal blooms in fresh and marine water systems: the role of toxin producing phytoplankton. Zbl 1338.92114
Thakur, Nilesh Kumar; Tiwari, S. K.; Upadhyay, Ranjit Kumar
3
2016
Deciphering dynamics of recent epidemic spread and outbreak in West Africa: the case of Ebola virus. Zbl 1347.35225
Upadhyay, Ranjit Kumar; Roy, Parimita
2
2016
Disease spread and its effect on population dynamics in heterogeneous environment. Zbl 1334.35355
Upadhyay, Ranjit Kumar; Roy, Parimita
2
2016
Long time dynamics of a three-species food chain model with Allee effect in the top predator. Zbl 1443.92166
Parshad, Rana D.; Quansah, Emmanuel; Black, Kelly; Upadhyay, Ranjit Kumar; Tiwari, S. K.; Kumari, Nitu
2
2016
Predator interference effects on biological control: the “paradox” of the generalist predator revisited. Zbl 07249759
Parshad, Rana D.; Bhowmick, Suman; Quansah, Emmanuel; Basheer, Aladeen; Upadhyay, Ranjit Kumar
1
2016
Complex dynamics of ecological systems under nonlinear harvesting: Hopf bifurcation and Turing instability. Zbl 1331.92136
Upadhyay, Ranjit Kumar; Roy, Parimita; Datta, Jyotiska
13
2015
Dynamics of generalist predator in a stochastic environment: effect of delayed growth and prey refuge. Zbl 1410.34136
Jana, Debaldev; Agrawal, Rashmi; Upadhyay, Ranjit Kumar
5
2015
Modeling the effect of mutual interference in a delay-induced predator-prey system. Zbl 1358.37126
Upadhyay, Ranjit Kumar; Agrawal, Rashmi
4
2015
Complex dynamics of wetland ecosystem with nonlinear harvesting: application to Chilika lake in Odisha, India. Zbl 1319.34095
Upadhyay, Ranjit Kumar; Tiwari, S. K.; Roy, Parimita
3
2015
Top-predator interference and gestation delay as determinants of the dynamics of a realistic model food chain. Zbl 1352.92126
Jana, Debaldev; Agrawal, Rashmi; Upadhyay, Ranjit Kumar
25
2014
Introduction to mathematical modeling and chaotic dynamics. Zbl 1302.00059
Kumar Upadhyay, Ranjit; Iyengar, Satteluri R. K.
15
2014
Spread of a disease and its effect on population dynamics in an eco-epidemiological system. Zbl 1470.92388
Upadhyay, Ranjit Kumar; Roy, Parimita
7
2014
Deciphering dynamics of epidemic spread: the case of influenza virus. Zbl 1296.35201
Upadhyay, Ranjit Kumar; Roy, Parimita; Rai, Vikas
5
2014
A predator-prey interaction model with self- and cross-diffusion in aquatic systems. Zbl 1302.92117
Upadhyay, Ranjit Kumar; Patra, Atasi; Dubey, B.; Thakur, N. K.
1
2014
The role of top predator interference on the dynamics of a food chain model. Zbl 1277.92035
Upadhyay, Ranjit Kumar; Naji, Raid Kamel; Raw, Sharada Nandn; Dubey, Balram
12
2013
Restoration and recovery of damaged eco-epidemiological systems: application to the Salton Sea, California, USA. Zbl 1261.92060
Upadhyay, Ranjit Kumar; Raw, S. N.; Roy, P.; Rai, Vikas
8
2013
Finite time blowup in a realistic food-chain model. Zbl 1300.92085
Parshad, Rana D.; Abderrahmane, Hamid Ait; Upadhyay, Ranjit Kumar; Kumari, Nitu
4
2013
Complex population dynamics in heterogeneous environments: effects of random and directed animal movements. Zbl 1401.92164
Rai, Vikas; Upadhyay, Ranjit Kumar; Thakur, Nilesh Kumar
3
2012
Complex dynamics of a three species food-chain model with Holling type IV functional response. Zbl 1272.49085
Upadhyay, Ranjit Kumar; Raw, Sharada Nandan
17
2011
Diffusion-driven instabilities and spatio-temporal patterns in an aquatic predator-prey system with Beddington-DeAngelis type functional response. Zbl 1215.35161
Upadhyay, Ranjit Kumar; Thakur, N. K.; Rai, V.
8
2011
Deterministic chaos versus stochastic oscillation in a prey-predator-top predator model. Zbl 1233.37060
Upadhyay, Ranjit Kumar; Banerjee, Malay; Parshad, Rana; Raw, Sharada Nandan
2
2011
Chaos control and synchronization of a three-species food chain model via Holling functional response. Zbl 1179.92068
Wu, Xiang-Jun; Li, Jie; Upadhyay, Ranjit Kumar
11
2010
Dynamical consequences of predator interference in a tri-trophic model food chain. Zbl 1181.37120
Naji, Raid Kamel; Upadhyay, Ranjit Kumar; Rai, Vikas
6
2010
Nonlinear non-equilibrium pattern formation in a spatial aquatic system: effect of fish predation. Zbl 1342.92034
Upadhyay, Ranjit Kumar; Thakur, N. K.; Dubey, B.
4
2010
Modeling spatiotemporal dynamics of vole populations in Europe and America. Zbl 1181.92087
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
2
2010
Dynamics of a three species food chain model with Crowley-Martin type functional response. Zbl 1198.37132
Upadhyay, Ranjit Kumar; Naji, Raid Kamel
38
2009
Wave of chaos in a diffusive system: generating realistic patterns of patchiness in plankton-fish dynamics. Zbl 1197.37121
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
16
2009
Spatiotemporal pattern formation in a diffusive predator-prey system: An analytical approach. Zbl 1181.35022
Dubey, Balram; Kumari, Nitu; Upadhyay, Ranjit Kumar
14
2009
Short-term recurrent chaos and role of toxin producing phytoplankton (TPP) on chaotic dynamics in aquatic systems. Zbl 1197.37122
Upadhyay, Ranjit Kumar; Rao, V. Sree Hari
9
2009
Complex dynamics and synchronization in two non-identical chaotic ecological systems. Zbl 1198.37133
Upadhyay, Ranjit Kumar; Rai, Vikas
9
2009
Observability of chaos and cycles in ecological systems: lessons from predator-prey models. Zbl 1182.92067
Upadhyay, Ranjit Kumar
9
2009
Exploring dynamical complexity in diffusion driven predator-prey systems: effect of toxin producing phytoplankton and spatial heterogeneities. Zbl 1198.37131
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
9
2009
Wave phenomena and edge of chaos in a diffusive predator-prey system under Allee effect. Zbl 1211.37120
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rai, Vikas
3
2009
Dynamics of an ecological model living on the edge of chaos. Zbl 1162.92337
Upadhyay, Ranjit Kumar
2
2009
Modeling the spread of bird flu and predicting outbreak diversity. Zbl 1154.92324
Upadhyay, Ranjit Kumar; Kumari, Nitu; Rao, V. Sree Hari
6
2008
Evolving to the edge of chaos: Chance or necessity? Zbl 1142.92344
Rai, Vikas; Upadhyay, Ranjit Kumar
8
2006
Extinction and coexistence of competing prey species in ecological systems. Zbl 1112.92069
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.
1
2006
Effect of seasonality on the dynamics of 2 and 3 species prey - predator systems. Zbl 1072.92058
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.
40
2005
Chaotic population dynamics and biology of the top-predator. Zbl 1057.92056
Rai, Vikas; Upadhyay, Ranjit Kumar
20
2004
Multiple attractors and crisis route to chaos in a model food-chain. Zbl 1033.92038
Upadhyay, Ranjit Kumar
17
2003
Crisis-limited chaotic dynamics in ecological systems. Zbl 0977.92033
Upadhyay, Ranjit Kumar; Rai, Vikas
27
2001
Species extinction problem: genetic vs ecological factors. Zbl 0987.92031
Upadhyay, Ranjit Kumar; Rai, Vikas; Iyengar, S. R. K.
6
2001
Stability and complexity in ecological systems. Zbl 0943.92033
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.; Rai, Vikas
14
2000
Chaos: An ecological reality? Zbl 0935.92037
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.; Rai, Vikas
44
1998
all top 5

Cited by 756 Authors

62 Kumar Upadhyay, Ranjit
17 Parshad, Rana D.
14 Kumari, Nitu
14 Zhang, Zizhen
12 Rai, Vikas
12 Zhao, Min
11 Jana, Debaldev
11 Wang, Weiming
9 Yu, Hengguo
8 Agrawal, Rashmi
8 Aziz-Alaoui, Moulay-Ahmed
8 Dai, Chuanjun
7 Dubey, Balram
7 Roy, Parimita
7 Thakur, Nilesh Kumar
7 Tripathi, Jai Prakash
7 Wang, Xiaoqin
6 Kumari, Sangeeta
6 Kundu, Soumen
6 Lin, Xiaolin
6 Naji, Raid Kamel
6 Quansah, Emmanuel
5 Agarwal, Ravi P.
5 Chattopadhyay, Joydev
5 Das, Pritha
5 Datta, Jyotiska
5 Kengne, Jacques
5 Pal, Nikhil Ranjan
5 Tiwari, Satish Kumar
5 Zhong, Shou-Ming
4 Bairagi, Nandadulal
4 Bashkirtseva, Irina Adol’fovna
4 Beauregard, Matthew A.
4 Bi, Dianjie
4 Cai, Yongli
4 Gakkhar, Sunita
4 Letellier, Christophe
4 Lin, Yezhi
4 Misra, Arvind Kumar
4 Mohammadi, Hakimeh
4 Rezapour, Shahram
4 Ryashko, Lev Borisovich
4 Samanta, Sudip K.
4 Tiwari, Pankaj Kumar
4 Wu, Xiangjun
4 Zhao, Tao
3 Banerjee, Malay
3 Basheer, Aladeen
3 Dai, Binxiang
3 Das, Parthasakha
3 Das, Samhita
3 Dhar, Joydip
3 Iyengar, Satteluri R. K.
3 Kouachi, Said
3 Kumar, Ankit
3 Maitra, Sarit
3 Mandal, Partha Sarathi
3 Merdan, Hüseyin
3 Mohan, Nishith
3 Pal, Samaresh
3 Rao, Vadrevu Sree Hari
3 Tang, Leiyu
3 Tian, Baodan
3 Tian, Yanling
3 Tiwari, Vandana
3 Wang, Hailing
3 Wei, Junjie
3 Yafia, Radouane
3 Yang, Ruizhi
3 Yuan, Sanling
3 Zou, Junchen
2 Abbas, Syed
2 Abderrahmane, Hamid Ait
2 Agnihotri, Kulbhushan
2 Aguirre, Luis Antonio
2 Al-Tuwairqi, Salma M.
2 Alebraheem, Jawdat
2 Antwi-Fordjour, Kwadwo
2 Avila-Vales, Eric Jose
2 Bahashwan, Walaa S.
2 Bao, Bocheng
2 Bao, Han
2 Batabyal, Saikat
2 Bhowmick, Amiya Ranjan
2 Bhowmick, Suman
2 Bi, Qinsheng
2 Black, Kelly
2 Bollt, Erik M.
2 Bouguima, Sidi Mohamed
2 Bugalia, Sarita
2 Camara, Baba Issa
2 Chatterjee, Anal
2 Chen, Mo
2 Chen, Shihua
2 Das, Harekrishna
2 Din, Qamar
2 Dong, Yaying
2 Dubey, Ved Prakash
2 Duman, Oktay
2 Fotsin, Hilaire Bertrand
...and 656 more Authors
all top 5

Cited in 91 Serials

70 Chaos, Solitons and Fractals
38 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering
26 Advances in Difference Equations
22 Journal of Applied Mathematics and Computing
21 Applied Mathematics and Computation
14 Applied Mathematical Modelling
13 Nonlinear Dynamics
13 International Journal of Biomathematics
12 Nonlinear Analysis. Real World Applications
11 Discrete Dynamics in Nature and Society
11 Communications in Nonlinear Science and Numerical Simulation
8 Computers & Mathematics with Applications
8 Mathematical Biosciences
8 Physica A
7 Complexity
6 Mathematical Problems in Engineering
6 Differential Equations and Dynamical Systems
6 Chaos
6 Journal of Biological Systems
5 Journal of Mathematical Analysis and Applications
5 Mathematics and Computers in Simulation
5 Journal of Theoretical Biology
5 Journal of Applied Analysis and Computation
4 Abstract and Applied Analysis
4 Discrete and Continuous Dynamical Systems. Series B
4 Mathematical Biosciences and Engineering
3 Journal of the Franklin Institute
3 Mathematical Methods in the Applied Sciences
3 Bulletin of Mathematical Biology
3 Journal of Biological Dynamics
3 AIMS Mathematics
2 Indian Journal of Pure & Applied Mathematics
2 International Journal of Systems Science
2 Automatica
2 Ricerche di Matematica
2 Acta Applicandae Mathematicae
2 Fractals
2 Nonlinear Analysis. Modelling and Control
2 Boundary Value Problems
2 Nonlinear Analysis. Hybrid Systems
2 International Journal of Differential Equations
2 ISRN Biomathematics
2 Journal of Applied Nonlinear Dynamics
2 International Journal of Applied and Computational Mathematics
1 Journal of Mathematical Biology
1 Physics Letters. A
1 ZAMP. Zeitschrift für angewandte Mathematik und Physik
1 International Journal of Mathematics and Mathematical Sciences
1 Journal of Computational and Applied Mathematics
1 Journal of Differential Equations
1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
1 SIAM Journal on Control and Optimization
1 Theoretical Population Biology
1 Systems & Control Letters
1 Bulletin of the Iranian Mathematical Society
1 Physica D
1 Mathematical and Computer Modelling
1 Applications of Mathematics
1 International Journal of Computer Mathematics
1 Journal of Nonlinear Science
1 Computational and Applied Mathematics
1 Filomat
1 NoDEA. Nonlinear Differential Equations and Applications
1 Journal of Mathematical Chemistry
1 Mathematical and Computer Modelling of Dynamical Systems
1 Journal of Discrete Mathematical Sciences & Cryptography
1 Methodology and Computing in Applied Probability
1 Applied Sciences
1 Qualitative Theory of Dynamical Systems
1 International Journal of Nonlinear Sciences and Numerical Simulation
1 The ANZIAM Journal
1 Mathematical Modelling and Analysis
1 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis
1 Dynamics of Continuous, Discrete & Impulsive Systems. Series B. Applications & Algorithms
1 Communications on Pure and Applied Analysis
1 SIAM Journal on Applied Dynamical Systems
1 Cubo
1 Applications and Applied Mathematics
1 Mathematical Modelling of Natural Phenomena
1 Asian-European Journal of Mathematics
1 Communications in Theoretical Physics
1 Advances in Mathematical Physics
1 Journal of the Korean Society for Industrial and Applied Mathematics
1 Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp’yuternye Nauki
1 Journal of Mathematics
1 Mathematics
1 International Journal of Engineering Mathematics
1 Nonautonomous Dynamical Systems
1 Journal of Function Spaces
1 Cogent Mathematics
1 Computational and Mathematical Biophysics

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