**Commenced**in January 2007

**Frequency:**Monthly

**Edition:**International

**Paper Count:**996

# World Academy of Science, Engineering and Technology

## [Mathematical and Computational Sciences]

### Online ISSN : 1307-6892

##### 996 Stochastic Variation of the Hubble's Parameter Using Ornstein-Uhlenbeck Process

**Authors:**
Mary Chriselda A

**Abstract:**

**Keywords:**
Chapman Kolmogorov forward differential equations,
fourier transformation,
hubble's parameter,
ornstein-uhlenbeck process ,
stochastic differential equations

##### 995 Numerical Simulation of Phase Transfer during Cryosurgery for an Irregular Tumor Using Hybrid Approach

**Authors:**
Rama Bhargava,
Surabhi Nishad

**Abstract:**

**Keywords:**
cryosurgery,
EFGM,
hybrid,
nanoparticles

##### 994 A Study on Weddernburn – Artin Theorem for Rings

**Authors:**
Fahad Suleiman,
Sammani Abdullahi

**Abstract:**

**Keywords:**
Commutativity,
Wedderburn theorem,
Semisimple ring,
R module

##### 993 A Hybrid Block Multistep Method for Direct Numerical Integration of Fourth Order Initial Value Problems

**Authors:**
Adamu S. Salawu,
Ibrahim O. Isah

**Abstract:**

**Keywords:**
Chebyshev polynomial,
collocation,
hybrid multistep method,
initial value problems,
interpolation

##### 992 Analysing Causal Effect of London Cycle Superhighways on Traffic Congestion

**Authors:**
Prajamitra Bhuyan

**Abstract:**

**Keywords:**
average treatment effect,
confounder,
difference-in-difference,
intelligent transportation system,
potential outcome

##### 991 An Efficient Discrete Chaos in Generalized Logistic Maps with Applications in Image Encryption

**Authors:**
Ashish Ashish

**Abstract:**

**Keywords:**
chaos,
period-doubling,
logistic map,
Lyapunov exponent,
image encryption

##### 990 Functionally Graded of Thermoelastic Materials with Power Law by Adomian's Decomposition Method

**Authors:**
Hamdy M. Youssef,
Eman A. Al-Lehaibi

**Abstract:**

**Keywords:**
Adomian,
decomposition method,
generalized thermoelasticity,
algorithm

##### 989 Structural Invertibility and Optimal Sensor Node Placement for Error and Input Reconstruction in Dynamic Systems

**Authors:**
Maik Kschischo,
Dominik Kahl,
Philipp Wendland,
Andreas Weber

**Abstract:**

**Keywords:**
data-driven dynamic systems,
inversion of dynamic systems,
observability,
experimental design,
sensor node placement

##### 988 The Non-Stationary BINARMA(1,1) Process with Poisson Innovations: An Application on Accident Data

**Authors:**
Y. Sunecher,
N. Mamode Khan,
V. Jowaheer

**Abstract:**

**Keywords:**
non-stationary,
BINARMA(1,
1) model,
Poisson innovations,
conditional maximum likelihood,
CML

##### 987 Design of In-House Test Method for Assuring Packing Quality of Bottled Spirits

**Authors:**
S. Ananthakrishnan,
U. H. Acharya

**Abstract:**

**Keywords:**
ANOVA,
Corrugated box,
DOE,
Quartile

##### 986 The Martingale Options Price Valuation for European Puts Using Stochastic Differential Equation Models

**Authors:**
H. C. Chinwenyi,
H. D. Ibrahim,
F. A. Ahmed

**Abstract:**

**Keywords:**
equivalent martingale measure,
European put option,
girsanov theorem,
martingales,
monte carlo method,
option price valuation formula

##### 985 Modeling the Compound Interest Dynamics Using Fractional Differential Equations

**Authors:**
Muath Awadalla,
Maen Awadallah

**Abstract:**

**Keywords:**
compound interest,
fractional differential equation,
hadamard fractional derivative,
optimization

##### 984 Role of Additional Food Resources in an Ecosystem with Two Discrete Delays

**Authors:**
Ankit Kumar,
Balram Dubey

**Abstract:**

**Keywords:**
additional food,
gestation delay,
Hopf-bifurcation,
prey-predator

##### 983 Stochastic Matrices and Lp Norms for Ill-Conditioned Linear Systems

**Authors:**
Riadh Zorgati,
Thomas Triboulet

**Abstract:**

**Keywords:**
conditioning,
generalized inverse,
linear system,
norms,
stochastic matrix

##### 982 Nonparametric Quantile Regression for Multivariate Spatial Data

**Authors:**
S. H. Arnaud Kanga,
O. Hili,
S. Dabo-Niang

**Abstract:**

**Keywords:**
conditional quantile,
kernel,
nonparametric,
stationary

##### 981 Co-Integration Model for Predicting Inflation Movement in Nigeria

**Authors:**
Salako Rotimi,
Oshungade Stephen,
Ojewoye Opeyemi

**Abstract:**

**Keywords:**
economic,
inflation,
model,
series

##### 980 Investigating the Flow Physics within Vortex-Shockwave Interactions

**Authors:**
Frederick Ferguson,
Dehua Feng,
Yang Gao

**Abstract:**

**Keywords:**
vortex dominated flows,
shockwave interactions,
high Reynolds number,
integro-differential scheme

##### 979 Subclass of Close-To-Convex Harmonic Mappings

**Authors:**
Jugal K. Prajapat,
Manivannan M.

**Abstract:**

**Keywords:**
analytic,
univalent,
starlike,
convex and close-to-convex

##### 978 Analysis of the Unreliable M/G/1 Retrial Queue with Impatient Customers and Server Vacation

**Authors:**
Fazia Rahmoune,
Sofiane Ziani

**Abstract:**

**Keywords:**
modeling,
retrial queue,
unreliable server,
vacation,
stochastic analysis

##### 977 Optimal Tetra-Allele Cross Designs Including Specific Combining Ability Effects

**Authors:**
Mohd Harun,
Cini Varghese,
Eldho Varghese,
Seema Jaggi

**Abstract:**

**Keywords:**
general combining ability,
optimality,
specific combining ability,
tetra-allele cross,
webPTC

##### 976 Analysis of Chatterjea Type F-Contraction in F-Metric Space and Application

**Authors:**
Awais Asif

**Abstract:**

**Keywords:**
Chatterjea type F-contraction,
F-cauchy sequence,
F-convergent,
multi valued mappings

##### 975 Several Spectrally Non-Arbitrary Ray Patterns of Order 4

**Authors:**
Ling Zhang,
Feng Liu

**Abstract:**

**Keywords:**
spectrally arbitrary,
nilpotent matrix ,
ray patterns,
sign patterns

##### 974 Positive Bias and Length Bias in Deep Neural Networks for Premises Selection

**Authors:**
Jiaqi Huang,
Yuheng Wang

**Abstract:**

**Keywords:**
automated theorem proving,
premises selection,
deep learning,
interpreting deep learning

##### 973 A Hybrid Model of Structural Equation Modelling-Artificial Neural Networks: Prediction of Influential Factors on Eating Behaviors

**Authors:**
Maryam Kheirollahpour,
Mahmoud Danaee,
Amir Faisal Merican,
Asma Ahmad Shariff

**Abstract:**

**Keywords:**
hybrid model,
structural equation modeling,
artificial neural networks,
eating behavior patterns

##### 972 Monte Carlo Estimation of Heteroscedasticity and Periodicity Effects in a Panel Data Regression Model

**Authors:**
Nureni O. Adeboye,
Dawud A. Agunbiade

**Abstract:**

**Keywords:**
audit fee lagrange multiplier test,
heteroscedasticity,
lagrange multiplier test,
Monte-Carlo scheme,
periodicity

##### 971 Rank of Semigroup: Generating Sets and Cases Revealing Limitations of the Concept of Independence

**Authors:**
Zsolt Lipcsey,
Sampson Marshal Imeh

**Abstract:**

**Keywords:**
generating sets,
independent set,
rank,
cyclic semigroup,
basis,
commutative

##### 970 Monotonicity of the Jensen Functional for f-Divergences via the Zipf-Mandelbrot Law

**Authors:**
Neda Lovričević,
Đilda Pečarić,
Josip Pečarić

**Abstract:**

**Keywords:**
Jensen functional,
monotonicity,
Csiszar divergence functional,
f-divergences,
Zipf-Mandelbrot law

##### 969 Multi-Objective Optimization of Combined System Reliability and Redundancy Allocation Problem

**Authors:**
Vijaya K. Srivastava,
Davide Spinello

**Abstract:**

**enumeration procedure for mixed integer optimization problems for solving multi-objective reliability and redundancy allocation problem subject to design constraints. The formulated problem is to find the optimum level of unit reliability and the number of units for each subsystem. A number of illustrative examples are provided and compared to indicate the application of the superiority of the proposed method.**

^{n}**Keywords:**
integer programming,
mixed integer programming,
multi-objective optimization,
Reliability Redundancy Allocation

##### 968 Causal Estimation for the Left-Truncation Adjusted Time-Varying Covariates under the Semiparametric Transformation Models of a Survival Time

**Authors:**
Yemane Hailu Fissuh,
Zhongzhan Zhang

**Abstract:**

**Keywords:**
causal estimation,
EM algorithm,
semiparametric transformation models,
time-to-event outcomes,
time-varying covariate

##### 967 An Estimating Equation for Survival Data with a Possibly Time-Varying Covariates under a Semiparametric Transformation Models

**Authors:**
Yemane Hailu Fissuh,
Zhongzhan Zhang

**Abstract:**

**Keywords:**
EM algorithm,
estimating equation,
semiparametric transformation models,
time-to-event outcomes,
time varying covariate