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1

IT-Governance Framework Considering Service Quality and Information Security in Banks in India

Singh, Ranjit, Pandiya, Bhartrihari, Upadhyay, Chandra Kant, Singh, Manas K

Journal:

International Journal of Human Capital and Information Technology Professionals

Year:

2020

Language:

english

File:

PDF, 869 KB

english, 2020

2

Virus dynamics of a distributed attack on a targeted network: Effect of firewall and optimal control

Kumari, Sangeeta, Singh, Prerna, Upadhyay, Ranjit Kumar

Journal:

Communications in Nonlinear Science and Numerical Simulation

Year:

2019

Language:

english

File:

PDF, 1.13 MB

english, 2019

3

Transmission dynamics of epidemic spread and outbreak of Ebola in West Africa: fuzzy modeling and simulation

Verma, Renu, Tiwari, S. P., Upadhyay, Ranjit Kumar

Journal:

Journal of Applied Mathematics and Computing

Year:

2019

Language:

english

File:

PDF, 1.65 MB

english, 2019

4

Discrete and data packet delays as determinants of switching stability in wireless sensor networks

Upadhyay, Ranjit Kumar, Kumari, Sangeeta

Journal:

Applied Mathematical Modelling

Year:

2019

Language:

english

File:

PDF, 6.00 MB

english, 2019

5

Dynamics of a three species food chain model with Crowley–Martin type functional response

Ranjit Kumar Upadhyay, Raid Kamel Naji

Journal:

Chaos, Solitons & Fractals

Year:

2009

Language:

english

File:

PDF, 820 KB

english, 2009

6

Effect of seasonality on the dynamics of 2 and 3 species prey–predator systems

Ranjit Kumar Upadhyay, S.R.K. Iyengar

Journal:

Nonlinear Analysis: Real World Applications

Year:

2005

Language:

english

File:

PDF, 1.02 MB

english, 2005

7

Multiple attractors and crisis route to chaos in a model food-chain

Ranjit Kumar Upadhyay

Journal:

Chaos, Solitons & Fractals

Year:

2003

Language:

english

File:

PDF, 231 KB

english, 2003

8

Spatiotemporal pattern formation in a diffusive predator-prey system: an analytical approach

Balram Dubey, Nitu Kumari, Ranjit Kumar Upadhyay

Journal:

Journal of Applied Mathematics and Computing

Year:

2009

Language:

english

File:

PDF, 2.17 MB

english, 2009

9

Wave phenomena and edge of chaos in a diffusive predator-prey system under Allee effect

Ranjit Kumar Upadhyay, Nitu Kumari, Vikas Rai

Journal:

Differential Equations and Dynamical Systems

Year:

2009

Language:

english

File:

PDF, 447 KB

english, 2009

10

Evolving to the edge of chaos: Chance or necessity?

Vikas Rai, Ranjit Kumar Upadhyay

Journal:

Chaos, Solitons & Fractals

Year:

2006

Language:

english

File:

PDF, 584 KB

english, 2006

11

The role of top predator interference on the dynamics of a food chain model

Ranjit Kumar Upadhyay, Raid Kamel Naji, Sharada Nandn Raw, Balram Dubey

Journal:

Communications in Nonlinear Science and Numerical Simulation

Year:

2013

Language:

english

File:

PDF, 831 KB

english, 2013

12

A PREDATOR–PREY INTERACTION MODEL WITH SELF- AND CROSS-DIFFUSION IN AQUATIC SYSTEMS

UPADHYAY, RANJIT KUMAR, PATRA, ATASI, DUBEY, B., THAKUR, N. K.

Journal:

Journal of Biological System

Year:

2014

Language:

english

File:

PDF, 1.47 MB

english, 2014

13

Complex dynamics of ecological systems under nonlinear harvesting: Hopf bifurcation and Turing instability

Upadhyay, Ranjit Kumar, Roy, Parimita, Datta, Jyotiska

Journal:

Nonlinear Dynamics

Year:

2015

Language:

english

File:

PDF, 7.49 MB

english, 2015

14

Complex Dynamics of Wetland Ecosystem with Nonlinear Harvesting: Application to Chilika Lake in Odisha, India

Upadhyay, Ranjit Kumar, Tiwari, S. K., Roy, Parimita

Journal:

International Journal of Bifurcation and Chaos

Year:

2015

Language:

english

File:

PDF, 1.76 MB

english, 2015

15

Dynamics and responses of a predator–prey system with competitive interference and time delay

Upadhyay, Ranjit Kumar, Agrawal, Rashmi

Journal:

Nonlinear Dynamics

Year:

2015

Language:

english

File:

PDF, 1.11 MB

english, 2015

16

Deciphering Dynamics of Recent Epidemic Spread and Outbreak in West Africa: The Case of Ebola Virus

Upadhyay, Ranjit Kumar, Roy, Parimita

Journal:

International Journal of Bifurcation and Chaos

Year:

2016

Language:

english

File:

PDF, 1.23 MB

english, 2016

17

Complex dynamics of sexually reproductive generalist predator and gestation delay in a food chain model: double Hopf-bifurcation to Chaos

Agrawal, Rashmi, Jana, Debaldev, Upadhyay, Ranjit Kumar, Rao, V. Sree Hari

Journal:

Journal of Applied Mathematics and Computing

Year:

2016

Language:

english

File:

PDF, 5.07 MB

english, 2016

18

On the explosive instability in a three-species food chain model with modified Holling type IV functional response

Parshad, Rana D., Upadhyay, Ranjit Kumar, Mishra, Swati, Tiwari, Satish Kumar, Sharma, Swarnali

Journal:

Mathematical Methods in the Applied Sciences

Year:

2017

Language:

english

File:

PDF, 1.29 MB

english, 2017

19

Bifurcation analysis of an e-epidemic model in wireless sensor network

Upadhyay, Ranjit Kumar, Kumari, Sangeeta

Journal:

International Journal of Computer Mathematics

Year:

2017

Language:

english

File:

PDF, 3.18 MB

english, 2017

20

Exploring the dynamics of a Holling–Tanner model with cannibalism in both predator and prey population

Al Basheer, Aladeen, Parshad, Rana D., Quansah, Emmanuel, Yu, Shengbin, Upadhyay, Ranjit Kumar

Journal:

International Journal of Biomathematics

Year:

2018

Language:

english

File:

PDF, 727 KB

english, 2018

21

Emergence of Spatial Patterns in a Damaged Diffusive Eco-Epidemiological System

Upadhyay, Ranjit Kumar, Datta, Jyotiska, Dong, Yueping, Takeuchi, Yasuhiro

Journal:

International Journal of Bifurcation and Chaos

Year:

2018

Language:

english

File:

PDF, 1.36 MB

english, 2018

22

Discrete and data packet delays as determinants of switching stability in wireless sensor networks

Upadhyay, Ranjit Kumar, Kumari, Sangeeta

Journal:

Applied Mathematical Modelling

Year:

2019

File:

PDF, 6.00 MB

2019

23

Bifurcation and bio-economic analysis of a prey-generalist predator model with Holling type IV functional response and nonlinear age-selective prey harvesting

Datta, Jyotiska, Jana, Debaldev, Upadhyay, Ranjit Kumar

Journal:

Chaos, Solitons & Fractals

Year:

2019

Language:

english

File:

PDF, 1.33 MB

english, 2019

24

IT-Governance Framework Considering Service Quality and Information Security in Banks in India

Singh, Ranjit, Pandiya, Bhartrihari, Upadhyay, Chandra Kant, Singh, Manas K

Journal:

International Journal of Human Capital and Information Technology Professionals

Year:

2020

File:

PDF, 869 KB

2020

25

Dynamics of an ecological model living on the edge of chaos

Ranjit Kumar Upadhyay

Journal:

Applied Mathematics and Computation

Year:

2009

Language:

english

File:

PDF, 539 KB

english, 2009

26

Chaotic population dynamics and biology of the top-predator

Vikas Rai, Ranjit Kumar Upadhyay

Journal:

Chaos, Solitons & Fractals

Year:

2004

Language:

english

File:

PDF, 391 KB

english, 2004

27

Short-term recurrent chaos and role of Toxin Producing Phytoplankton (TPP) on chaotic dynamics in aquatic systems

Ranjit Kumar Upadhyay, V. Sree Hari Rao

Journal:

Chaos, Solitons & Fractals

Year:

2009

Language:

english

File:

PDF, 543 KB

english, 2009

28

Wave of chaos in a diffusive system: Generating realistic patterns of patchiness in plankton–fish dynamics

Ranjit Kumar Upadhyay, Nitu Kumari, Vikas Rai

Journal:

Chaos, Solitons & Fractals

Year:

2009

Language:

english

File:

PDF, 3.80 MB

english, 2009

29

Complex dynamics and synchronization in two non-identical chaotic ecological systems

Ranjit Kumar Upadhyay, Vikas Rai

Journal:

Chaos, Solitons & Fractals

Year:

2009

Language:

english

File:

PDF, 525 KB

english, 2009

30

Exploring dynamical complexity in diffusion driven predator–prey systems: Effect of toxin producing phytoplankton and spatial heterogeneities

Ranjit Kumar Upadhyay, Nitu Kumari, Vikas Rai

Journal:

Chaos, Solitons & Fractals

Year:

2009

Language:

english

File:

PDF, 1.43 MB

english, 2009

31

Dynamical consequences of predator interference in a tri-trophic model food chain

Raid Kamel Naji, Ranjit Kumar Upadhyay, Vikas Rai

Journal:

Nonlinear Analysis: Real World Applications

Year:

2010

Language:

english

File:

PDF, 1.09 MB

english, 2010

32

Species extinction problem: genetic vs ecological factors

Ranjit Kumar Upadhyay, Vikas Rai, S.R.K Iyengar

Journal:

Applied Mathematical Modelling

Year:

2001

Language:

english

File:

PDF, 205 KB

english, 2001

33

Crisis-limited chaotic dynamics in ecological systems

Ranjit Kumar Upadhyay, Vikas Rai

Journal:

Chaos, Solitons & Fractals

Year:

2001

Language:

english

File:

PDF, 300 KB

english, 2001

34

Why chaos is rarely observed in natural populations

Ranjit Kumar Upadhyay, Vikas Rai

Journal:

Chaos, Solitons & Fractals

Year:

1997

Language:

english

File:

PDF, 1.34 MB

english, 1997

35

Stability and complexity in ecological systems

Ranjit Kumar Upadhyay, S.R.K Iyengar, Vikas Rai

Journal:

Chaos, Solitons & Fractals

Year:

2000

Language:

english

File:

PDF, 195 KB

english, 2000

36

Modeling the spread of bird flu and predicting outbreak diversity

Ranjit Kumar Upadhyay, Nitu Kumari, V. Sree Hari Rao

Journal:

Nonlinear Analysis: Real World Applications

Year:

2008

Language:

english

File:

PDF, 538 KB

english, 2008

37

Modeling spatiotemporal dynamics of vole populations in Europe and America

Ranjit Kumar Upadhyay, Nitu Kumari, Vikas Rai

Journal:

Mathematical Biosciences

Year:

2010

Language:

english

File:

PDF, 1.42 MB

english, 2010

38

Trophic structure and dynamical complexity in simple ecological models

Vikas Rai, Madhur Anand, Ranjit Kumar Upadhyay

Journal:

Ecological Complexity

Year:

2007

Language:

english

File:

PDF, 1024 KB

english, 2007

39

Restoration and recovery of damaged eco-epidemiological systems: Application to the Salton Sea, California, USA

Upadhyay, Ranjit Kumar, Raw, S.N., Roy, P., Rai, Vikas

Journal:

Mathematical Biosciences

Year:

2013

Language:

english

File:

PDF, 2.21 MB

english, 2013

40

Spread of a disease and its effect on population dynamics in an eco-epidemiological system

Upadhyay, Ranjit Kumar, Roy, Parimita

Journal:

Communications in Nonlinear Science and Numerical Simulation

Year:

2014

Language:

english

File:

PDF, 2.12 MB

english, 2014

41

Deciphering Dynamics of Epidemic Spread: The Case of Influenza Virus

Upadhyay, Ranjit Kumar, Roy, Parimita, Rai, Vikas

Journal:

International Journal of Bifurcation and Chaos

Year:

2014

Language:

english

File:

PDF, 3.29 MB

english, 2014

42

Modeling wetland systems of Keoladeo National Park (KNP), India: the role of space

Upadhyay, Ranjit Kumar, Rai, Vikas, Tiwari, S. K.

Journal:

Wetlands Ecology and Management

Year:

2014

Language:

english

File:

PDF, 8.94 MB

english, 2014

43

Chaos control and synchronization of a three-species food chain model via Holling functional response

Wu, Xiang-Jun, Li, Jie, Upadhyay, Ranjit Kumar

Journal:

International Journal of Computer Mathematics

Year:

2010

Language:

english

File:

PDF, 556 KB

english, 2010

44

Top-predator interference and gestation delay as determinants of the dynamics of a realistic model food chain

Jana, Debaldev, Agrawal, Rashmi, Upadhyay, Ranjit Kumar

Journal:

Chaos, Solitons & Fractals

Year:

2014

Language:

english

File:

PDF, 1.51 MB

english, 2014

45

Modeling the effect of mutual interference in a delay-induced predator-prey system

Upadhyay, Ranjit Kumar, Agrawal, Rashmi

Journal:

Journal of Applied Mathematics and Computing

Year:

2015

Language:

english

File:

PDF, 955 KB

english, 2015

46

Deterministic Chaos Versus Stochastic Oscillation in a Prey-Predator-Top Predator Model

Upadhyay, Ranjit Kumar, Banerjee, Malay, Parshad, Rana, Raw, Sharada Nandan

Journal:

Mathematical Modelling and Analysis

Year:

2011

Language:

english

File:

PDF, 1.29 MB

english, 2011

47

Chaos: An Ecological Reality?

Upadhyay, Ranjit Kumar, Iyengar, S. R. K., Rai, Vikas

Journal:

International Journal of Bifurcation and Chaos

Year:

1998

Language:

english

File:

PDF, 275 KB

english, 1998

48

OBSERVABILITY OF CHAOS AND CYCLES IN ECOLOGICAL SYSTEMS: LESSONS FROM PREDATOR–PREY MODELS

UPADHYAY, RANJIT KUMAR

Journal:

International Journal of Bifurcation and Chaos

Year:

2009

Language:

english

File:

PDF, 1.84 MB

english, 2009

49

NONLINEAR NON-EQUILIBRIUM PATTERN FORMATION IN A SPATIAL AQUATIC SYSTEM: EFFECT OF FISH PREDATION

UPADHYAY, RANJIT KUMAR, THAKUR, N. K., DUBEY, B.

Journal:

Journal of Biological System

Year:

2010

Language:

english

File:

PDF, 2.87 MB

english, 2010

50

DIFFUSION-DRIVEN INSTABILITIES AND SPATIO-TEMPORAL PATTERNS IN AN AQUATIC PREDATOR–PREY SYSTEM WITH BEDDINGTON–DEANGELIS TYPE FUNCTIONAL RESPONSE

UPADHYAY, RANJIT KUMAR, THAKUR, N. K., RAI, V.

Journal:

International Journal of Bifurcation and Chaos

Year:

2011

Language:

english

File:

PDF, 692 KB

english, 2011