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   (1 - 50 of 151)
Journal Articles

Solving the transportation problem using a multi-attribute model

By: Muhammad, Bashir F.. General Letters in Mathematics. Vol. 12, no. 3 (2022), pp.126-138, 13 p.

Journal Articles

Comparison of some group variable selection methods in high dimensional multiple linear regression via simulation study

By: Ibrahim, Rijin Abd al-Qadir; Hashim, Husayn Abd al-Rahman. General Letters in Mathematics. Vol. 12, no. 3 (2022), pp.126-138, 13 p.

Journal Articles

Weakly r-Supercontinuous functions

By: Tanha, Zahra A.; Amin, Zanyar A.. General Letters in Mathematics. Vol. 12, no. 3 (2022), pp.116-125, 10 p.

Journal Articles

Schultz and modified Schultz polynomials of chain from alternating hexagonal and quadruple rings

By: Abd al-Qadir, Maha Walid; Ali, Ahmad Muhammad; Abd Allah, Mahmud Midian. General Letters in Mathematics. Vol. 12, no. 3 (2022), pp.105-115, 11 p.

Journal Articles

Countably and locally compactness in bitopological spaces

By: Awdah Allah, Jamal Ayasirah. General Letters in Mathematics. Vol. 12, no. 3 (2022), pp.148-153, 6 p.

Journal Articles

Estimating regression coefficients using bootstrap with application to Covid-19 data

By: Ahmad, Rojeen Taha; Ismail, Shilan Said. General Letters in Mathematics. Vol. 12, no. 2 (2022), pp.96-104, 9 p.

Journal Articles

Existence and Ulam stability of solutions for Caputo-Hadamard fractional differential equations

By: Anwar, Abd al-Jawad K.; Murad, Shayma Adil. General Letters in Mathematics. Vol. 12, no. 2 (2022), pp.85-95, 11 p.

Journal Articles

Soft pre separation axioms and function with soft pre closed graph

By: Ahmad, Nimat K.; Khalaf, Ilyas B.. General Letters in Mathematics. Vol. 12, no. 2 (2022), pp.75-84, 10 p.

Journal Articles

A stochastic maximum principle for a minimization problem under partial information

By: Tatiagoum, Eric K.. General Letters in Mathematics. Vol. 12, no. 2 (2022), pp.64-74, 11 p.

Journal Articles

New search direction of steepest descent method for solving large linear systems

By: Ali, Iyad Ramadan; Fathi, Bayda Ghanim. General Letters in Mathematics. Vol. 12, no. 2 (2022), pp.57-63, 7 p.

Journal Articles

Epsilon-Diskcyclic operators

By: Abu Jahil, Abd Allah M.; Asad, Asad Y.. General Letters in Mathematics. Vol. 12, no. 2 (2022), pp.49-56, 8 p.

Journal Articles

Conjugated Gradient with Four Terms for Nonlinear Unconstrained Optimization

By: Ahmed Anwer Mustafa. General Letters in Mathematics. Vol. 12, no. 1 (2022), pp.40-48, 9 p.

Journal Articles

A New Accurate Approximate Solution of Singular Two-Point Boundary Value Problems

By: Anakira, N. Ratib; O. Y. Ababneh; A. S. Heilat…[et al.]. General Letters in Mathematics. Vol. 12, no. 1 (2022), pp.31-39, 9 p.

Journal Articles

On Nano Sβ-Open Sets In Nano Topological Spaces

By: Pirbal, Osama T.; Nehmat K. Ahmed. General Letters in Mathematics. Vol. 12, no. 1 (2022), pp.23-30, 8 p.

Journal Articles

On Chaotic Operators

By: Abu Jahel, Abdallah M.; As’ad, As’ad Y. General Letters in Mathematics. Vol. 12, no. 1 (2022), pp.1-8, 8 p.

Journal Articles

Two different scenarios when the Collatz conjecture fails

By: Ahmad, Maya Muhsin. General Letters in Mathematics. Vol. 11, no. 2 (2021), pp.46-54, 9 p.

Journal Articles

A new coefficient of conjugate gradient method with global convergence for unconstrained optimization problems

By: Tahir, Mardin Sh.; Sharif, Salah G.. General Letters in Mathematics. Vol. 11, no. 2 (2021), pp.36-45, 10 p.

Journal Articles

Forecasting of Covid-19 deaths in South Africa using the autoregressive integrated moving average time series model

By: Kinyili, Musyoka; Wanyonyi, Maurice. General Letters in Mathematics. Vol. 11, no. 2 (2021), pp.26-35, 10 p.

Journal Articles

Taylor approximation for solving linear and nonlinear Ill-Posed Volterra equations via an iteration method

By: Guechi, Sumayyah; Guechi, Mufidah. General Letters in Mathematics. Vol. 11, no. 2 (2021), pp.18-25, 8 p.

Journal Articles

The relationship between petroleum price and real exchange rate : an example of Iraq

By: Said, Dindar Said; Abd al-Aziz, Sadiq Taha; Rashid, Sarbast Kamal…[et al.]. General Letters in Mathematics. Vol. 11, no. 1 (2021), pp.12-17, 6 p.

Journal Articles

Mathematical formalism on "Arabic Language DNA"

By: al-Rawajifah, Ayman Id; al-Tawalibah, Zuhayr Khalid. General Letters in Mathematics. Vol. 11, no. 1 (2021), pp.10-11, 2 p.

Journal Articles

Global convergence of new three terms conjugate gradient for unconstrained optimization

By: Mustafa, Ahmad Anwar; Sharif, Salah Ghazi. General Letters in Mathematics. Vol. 11, no. 1 (2021), pp.1-9, 9 p.

Journal Articles

Analysis of the spread of COVID-19 in Morocco based on a SEIR epidemic model

By: Ammi, Mawlay Rashid Sidi; Tahiri, Mustafa. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.72-78, 7 p.

Journal Articles

Definition of a lightweight cryptographic solution to secure health data on IoT and cloud

By: Chhaybi, Akram; Lazaar, Saiida. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.54-60, 7 p.

Journal Articles

A performance comparison of lightweight cryptographic algorithms suitable for IoT transmissions

By: Jebrane, Jihane; Lazaar, Saiida. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.46-53, 8 p.

Journal Articles

A lightweight cryptographic solution to secure digital transmissions on resource-constrained environments

By: Lazaar, Saiida. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.38-45, 8 p.

Journal Articles

Generalization of poincare inequality in a sobolev space with exponent constant to the case of sobolev space with a variable exponent

By: Ammi, Mawlay Rashid Sidi; Dahi, Ibrahim. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.31-37, 7 p.

Journal Articles

Contribution of wavelets to cybersecurity : intrusion detection systems using neural networks

By: Lazaar, Saiida. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.24-30, 7 p.

Journal Articles

Modeling and analysis of high power synchronous generator

By: Bin Abbud, Azizah. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.18-23, 6 p.

Journal Articles

Preface to the special issue on the international conference on cyber security and recent trends in mathematical modeling

By: Lazaar, Saiida; Ammi, Mawlay Rashid Sidi. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.0-0, 1 p.

Journal Articles

Local existence and uniqueness for a fractional SIRS model with Mittag-Leffler law

By: Ammi, Mawlay Rashid Sidi; Tahiri, Mustafa; Torres, Delfim F. M.. General Letters in Mathematics. Vol. 10, no. 2 (2021), pp.61-71, 11 p.

Journal Articles

A New Statistical Trend in Medical Research : nested design

By: Petronilla, Ogoke Uchenna. General Letters in Mathematics. Vol. 10, no. 1 (2021), pp.11-17, 7 p.

Journal Articles

Elements of Cartesian Analysis in Saidou Spaces

By: Saidou, Nourrdin. General Letters in Mathematics. Vol. 10, no. 1 (2021), pp.1-10, 10 p.

Journal Articles

Periodic solutions for nonlinear systems of multiple integro - integral differential equations of (V F)‎ and (F V)‎ type with isolated singular kernels

By: Butris, Rad N.; Faris, Hewa Selman. General Letters in Mathematics. Vol. 9, no. 2 (2020), pp.106-128, 23 p.

Journal Articles

A New conjugate gradient method for unconstrained optimization problems with descent property

By: Khattab, Husayn Aqil; Sharif, Salah Ghazi. General Letters in Mathematics. Vol. 9, no. 2 (2020), pp.101-105, 5 p.

Journal Articles

On Katugampola Laplace transform

By: al-Khatib, Muhammad S.; Salim, Tariq O.; Abu Hani, Ata A. K.. General Letters in Mathematics. Vol. 9, no. 2 (2020), pp.93-100, 8 p.

Journal Articles

On strong CNZ rings and their extensions

By: Ahmad, Shannar Abd al-Karim. General Letters in Mathematics. Vol. 9, no. 2 (2020), pp.80-92, 13 p.

Journal Articles

Chord length distribution and the distance between two random points in a convex body in Rn

By: Aramyan, Rafiq; Yeranyan, Daniel. General Letters in Mathematics. Vol. 9, no. 2 (2020), pp.74-79, 6 p.

Journal Articles

On the coneighbor eigenvalues and coneighbor energy of a graph

By: Ibrahim, Nechirvan Badal. General Letters in Mathematics. Vol. 9, no. 2 (2020), pp.67-73, 7 p.

Journal Articles

Optimal models for estimating future infected cases of COVID - 19 in Oman

By: al-Sayyabi, Ahmad; al-Baali, Muhyi al-Din; Purnama, Anton. General Letters in Mathematics. Vol. 9, no. 2 (2020), pp.53-66, 14 p.

Journal Articles

A new self-scaling variable metric (DFP)‎ method for unconstrained optimization problems

By: Sharif, Salah Ghazi; Ibrahim, Ala Luqman; Yasin, Zaynah Talal. General Letters in Mathematics. Vol. 9, no. 1 (2020), pp.46-52, 7 p.

Journal Articles

DHO conjugate gradient method for unconstrained optimization

By: Umar, Dlovan Hajj. General Letters in Mathematics. Vol. 9, no. 1 (2020), pp.42-45, 4 p.

Journal Articles

Homotopy sumudu transformation method for solving fractional delay differential equations

By: Anaqirah, Nidal Ratib; Abd al-Karim, H.; Abu Dawwas, Mutasim. General Letters in Mathematics. Vol. 9, no. 1 (2020), pp.33-41, 9 p.

Journal Articles

General RM rings

By: Ahmad, Shinar Abd al-Karim. General Letters in Mathematics. Vol. 9, no. 1 (2020), pp.17-32, 16 p.

Journal Articles

QSPR analysis of chemical graph theory

By: Kanabur, Rachanna; Giregol, S. K.; Nagaral, Akshata…[et al.]. General Letters in Mathematics. Vol. 9, no. 1 (2020), pp.9-16, 8 p.

Journal Articles

Neighborhoods of certain p-valent analytic functions defined by using generalized differential operators

By: Ammurah, Ala; Dalalaah, Ula; Ulaymat, Anas. General Letters in Mathematics. Vol. 9, no. 1 (2020), pp.1-8, 8 p.

Journal Articles

Identifying factors influencing decision making using logistic regression

By: al-Zawbai, Ubayd Mahmud Muhsin; Tabrah, Hasan Mustafa. General Letters in Mathematics. Vol. 8, no. 2 (2020), pp.83-89, 7 p.

Journal Articles

Designing the shape of corona virus using the PDE method

By: Ahmad, Jiyar Jafar. General Letters in Mathematics. Vol. 8, no. 2 (2020), pp.75-82, 8 p.

Journal Articles

Generalized the divisor sum Tk-function of graph

By: Salih, Hariwan Fadhil M.; Ibrahim, Nechirvan Badal. General Letters in Mathematics. Vol. 8, no. 2 (2020), pp.67-74, 8 p.

Journal Articles

ω-N-α-open sets and ω-N-α-continuity in bitopological spaces

By: Granados, Carlos. General Letters in Mathematics. Vol. 8, no. 2 (2020), pp.41-50, 10 p.

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