Communications in Mathematics - Latest Publications Latest papers https://cm.episciences.org/img/episciences_sign_50x50.png episciences.org https://cm.episciences.org Sat, 01 Oct 2022 15:09:57 +0000 episciences.org https://cm.episciences.org Communications in Mathematics Communications in Mathematics Chebyshev-quasilinearization method for solving fractional singular nonlinear Lane-Emden equations Mon, 19 Sep 2022 12:20:41 +0000 https://doi.org/10.46298/cm.9895 https://doi.org/10.46298/cm.9895 Mohammadi, Amir Ahmadnezhad, Ghader Aghazadeh, Nasser Mohammadi, Amir Ahmadnezhad, Ghader Aghazadeh, Nasser 0 Quasi Yamabe Solitons on 3-Dimensional Contact Metric Manifolds with Q\varphi=\varphi Q Mon, 19 Sep 2022 12:19:27 +0000 https://doi.org/10.46298/cm.9695 https://doi.org/10.46298/cm.9695 Venkatesha, V. Kumara, H. Aruna Venkatesha, V. Kumara, H. Aruna 0 Assosymmetric Operad Mon, 19 Sep 2022 12:17:29 +0000 https://doi.org/10.46298/cm.9740 https://doi.org/10.46298/cm.9740 Zhakhayev, Bekzat Dzhumadil'daev, Askar Abdykassymova, Saule Zhakhayev, Bekzat Dzhumadil'daev, Askar Abdykassymova, Saule 0 Local derivations of semisimple Leibniz algebras Wed, 22 Jun 2022 19:24:51 +0000 https://doi.org/10.46298/cm.9274 https://doi.org/10.46298/cm.9274 Kaygorodov, Ivan Kudaybergenov, Karimbergen Yuldashev, Inomjon Kaygorodov, Ivan Kudaybergenov, Karimbergen Yuldashev, Inomjon 0 An explicit bound for integral points on modular curves Mon, 23 May 2022 18:15:01 +0000 https://doi.org/10.46298/cm.9389 https://doi.org/10.46298/cm.9389 Cai, Yulin Cai, Yulin 0 An existence result for $p$-Laplace equation with gradient nonlinearity in $\mathbb{R}^N$ 0\ \ \forall x\in\mathbb{R}^{N}, \end{split} \end{equation*} where $\Delta_{p}u=\hbox{div}(|\nabla u|^{p-2}\nabla u)$ is the $p$-Laplace operator, $1 Mon, 23 May 2022 18:14:53 +0000 https://doi.org/10.46298/cm.9316 https://doi.org/10.46298/cm.9316 Gupta, Shilpa Dwivedi, Gaurav Gupta, Shilpa Dwivedi, Gaurav 0\ \ \forall x\in\mathbb{R}^{N}, \end{split} \end{equation*} where $\Delta_{p}u=\hbox{div}(|\nabla u|^{p-2}\nabla u)$ is the $p$-Laplace operator, $1 0 Bicomplex numbers as a normal complexified f-algebra Thu, 12 May 2022 12:19:38 +0000 https://doi.org/10.46298/cm.9312 https://doi.org/10.46298/cm.9312 Gargoubi, Hichem Kossentini, Sayed Gargoubi, Hichem Kossentini, Sayed 0 On the Generalised Ricci Solitons and Sasakian Manifolds Thu, 12 May 2022 12:19:26 +0000 https://doi.org/10.46298/cm.9311 https://doi.org/10.46298/cm.9311 Cherif, Ahmed Mohammed Zegga, Kaddour Beldjilali, Gherici Cherif, Ahmed Mohammed Zegga, Kaddour Beldjilali, Gherici 0 A generalization of certain associated Bessel functions in connection with a group of shifts Thu, 12 May 2022 12:18:43 +0000 https://doi.org/10.46298/cm.9305 https://doi.org/10.46298/cm.9305 Choi, J. Shilin, I. A. Choi, J. Shilin, I. A. 0 On existence of normal p-complement of finite groups with restrictions on the conjugacy class sizes 0$ such that $Ind_G(a)_p\in \{1,p^{\alpha}\}$ for every $a$ of $G$ and a $p$-element $x\in G$ such that $Ind_G(x)_p>1$, then $G$ includes a normal $p$-complement.]]> Thu, 12 May 2022 12:18:12 +0000 https://doi.org/10.46298/cm.9294 https://doi.org/10.46298/cm.9294 Gorshkov, Ilya Gorshkov, Ilya 0$ such that $Ind_G(a)_p\in \{1,p^{\alpha}\}$ for every $a$ of $G$ and a $p$-element $x\in G$ such that $Ind_G(x)_p>1$, then $G$ includes a normal $p$-complement.]]> 0 Summability characterizations of positive sequences Thu, 12 May 2022 12:17:40 +0000 https://doi.org/10.46298/cm.9290 https://doi.org/10.46298/cm.9290 Azevedo, Douglas Andrade, Thiago P. Azevedo, Douglas Andrade, Thiago P. 0 Invariance analysis and some new exact analytic solutions of the time-fractional coupled Drinfeld-Sokolov-Wilson equations Thu, 12 May 2022 12:16:59 +0000 https://doi.org/10.46298/cm.9283 https://doi.org/10.46298/cm.9283 Chauhan Astha Arora Rajan Chauhan Astha Arora Rajan 0 EXTRINSIC UPPER BOUNDS THE FIRST EIGENVALUE OF THE p-STEKLOV PROBLEM ON SUBMANIFOLDS Thu, 12 May 2022 12:16:38 +0000 https://doi.org/10.46298/cm.9282 https://doi.org/10.46298/cm.9282 Roth, Julien Roth, Julien 0 On the degree of approximation of continuous functions by a linear transformation of their Fourier series Thu, 12 May 2022 12:16:23 +0000 https://doi.org/10.46298/cm.9273 https://doi.org/10.46298/cm.9273 Krasniqi, Xhevat Z. Krasniqi, Xhevat Z. 0 On commutativity of 3-prime near-rings with generalized (α; β)-derivations Wed, 06 Apr 2022 07:42:55 +0000 https://doi.org/10.46298/cm.9076 https://doi.org/10.46298/cm.9076 Abdelkarim BOUA Ahmed Abdelwanis Abdelkarim BOUA Ahmed Abdelwanis 0 Combinatorial description of the principal congruence subgroup Γ(2) in SL(2, Z) Wed, 30 Mar 2022 14:24:43 +0000 https://doi.org/10.46298/cm.9039 https://doi.org/10.46298/cm.9039 Mabilat, Flavien Mabilat, Flavien 0 On birational automorphisms of Severi-Brauer surfaces Wed, 30 Mar 2022 14:24:28 +0000 https://doi.org/10.46298/cm.9040 https://doi.org/10.46298/cm.9040 Weinstein, Felix Weinstein, Felix 0 Sur la variation de certaines suites de parties fractionnaires a > 0$. We prove the following asymptotic formula :\begin{equation*}\sum_{n\ge 0} \big\lvert\{x/(n+a)\}-\{x/(n+b)\}\big\rvert=\frac{2}{\pi}\zeta(3/2)\sqrt{cx}+O(c^{2/9}x^{4/9}),\\\end{equation*}with $c=b-a$, uniformly for $x \ge 40 c^{-5}(1+b)^{27/2}$.]]> Thu, 23 Dec 2021 16:12:11 +0000 https://doi.org/10.2478/cm-2020-0021 https://doi.org/10.2478/cm-2020-0021 Balazard, Michel Benferhat, Leila Bouderbala, Mihoub Balazard, Michel Benferhat, Leila Bouderbala, Mihoub a > 0$. We prove the following asymptotic formula :\begin{equation*}\sum_{n\ge 0} \big\lvert\{x/(n+a)\}-\{x/(n+b)\}\big\rvert=\frac{2}{\pi}\zeta(3/2)\sqrt{cx}+O(c^{2/9}x^{4/9}),\\\end{equation*}with $c=b-a$, uniformly for $x \ge 40 c^{-5}(1+b)^{27/2}$.]]> 0 A note on the volume of ∇-Einstein manifolds with skew-torsion Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0009 https://doi.org/10.2478/cm-2020-0009 Chrysikos, Ioannis Chrysikos, Ioannis 0 On the gaps between q-binomial coefficients Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0010 https://doi.org/10.2478/cm-2020-0010 Luca, Florian Manganye, Sylvester Luca, Florian Manganye, Sylvester 0 A Weighted Eigenvalue Problems Driven by both p(·)-Harmonic and p(·)-Biharmonic Operators Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0011 https://doi.org/10.2478/cm-2020-0011 Laghzal, Mohamed Khalil, Abdelouahed El Touzani, Abdelfattah Laghzal, Mohamed Khalil, Abdelouahed El Touzani, Abdelfattah 0 On Balancing and Lucas-balancing Quaternions Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0010 https://doi.org/10.2478/cm-2021-0010 Patel, Bijan Kumar Ray, Prasanta Kumar Patel, Bijan Kumar Ray, Prasanta Kumar 0 Symmetric identity for polynomial sequences satisfying A′n+1(x) = (n + 1)An(x) Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0011 https://doi.org/10.2478/cm-2021-0011 Bencherif, Farid Boumahdi, Rachid Garici, Tarek Bencherif, Farid Boumahdi, Rachid Garici, Tarek 0 Multiplicative Lie triple derivations on standard operator algebras 1 and A ⊂ B(X )be a standard operator algebra. In the present paper it is shown that if amapping d : A → A (not necessarily linear) satisfiesd([[U, V ], W]) = [[d(U), V ], W] + [[U, d(V )], W] + [[U, V ], d(W)]for all U, V, W ∈ A, then d = ψ + τ , where ψ is an additive derivation of Aand τ : A → FI vanishes at second commutator [[U, V ], W] for all U, V, W ∈A. Moreover, if d is linear and satisfies the above relation, then thereexists an operator S ∈ A and a linear mapping τ from A into FI satisfyingτ ([[U, V ], W]) = 0 for all U, V, W ∈ A, such that d(U) = SU − US + τ (U)for all U ∈ A.]]> Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0012 https://doi.org/10.2478/cm-2021-0012 Wani, Bilal Ahmad Wani, Bilal Ahmad 1 and A ⊂ B(X )be a standard operator algebra. In the present paper it is shown that if amapping d : A → A (not necessarily linear) satisfiesd([[U, V ], W]) = [[d(U), V ], W] + [[U, d(V )], W] + [[U, V ], d(W)]for all U, V, W ∈ A, then d = ψ + τ , where ψ is an additive derivation of Aand τ : A → FI vanishes at second commutator [[U, V ], W] for all U, V, W ∈A. Moreover, if d is linear and satisfies the above relation, then thereexists an operator S ∈ A and a linear mapping τ from A into FI satisfyingτ ([[U, V ], W]) = 0 for all U, V, W ∈ A, such that d(U) = SU − US + τ (U)for all U ∈ A.]]> 0 (ϕ, φ)-derivations on semiprime rings and Banach algebras Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0013 https://doi.org/10.2478/cm-2021-0013 Wani, Bilal Ahmad Wani, Bilal Ahmad 0 Remarks on Ramanujan’s inequality concerning the prime counting function Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0014 https://doi.org/10.2478/cm-2021-0014 Hassani, Mehdi Hassani, Mehdi 0 G-tridiagonal majorization on Mn,m Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0027 https://doi.org/10.2478/cm-2021-0027 Mohammadhasani, Ahmad Sayyari, Yamin Sabzvari, Mahdi Mohammadhasani, Ahmad Sayyari, Yamin Sabzvari, Mahdi 0 Some type of semisymmetry on two classes of almost Kenmotsu manifolds Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0029 https://doi.org/10.2478/cm-2021-0029 Dey, Dibakar Majhi, Pradip Dey, Dibakar Majhi, Pradip 0 An integral transform and its application in the propagation of Lorentz-Gaussian beams Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0030 https://doi.org/10.2478/cm-2021-0030 Belafhal, A. Halba, E.M. El Usman, T. Belafhal, A. Halba, E.M. El Usman, T. 0 On the completeness of total spaces of horizontally conformal submersions Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0031 https://doi.org/10.2478/cm-2021-0031 Abbassi, Mohamed Tahar Kadaoui Lakrini, Ibrahim Abbassi, Mohamed Tahar Kadaoui Lakrini, Ibrahim 0 A non-linear discrete-time dynamical system related to epidemic SISI model Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0032 https://doi.org/10.2478/cm-2021-0032 Shoyimardonov, Sobirjon K. Shoyimardonov, Sobirjon K. 0 A note on the solvability of homogeneous Riemann boundary problem with infinity index Wed, 22 Dec 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2021-0033 https://doi.org/10.2478/cm-2021-0033 Bory-Reyes, Juan Bory-Reyes, Juan 0 Existentially closed Leibniz algebras and an embedding theorem Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0015 https://doi.org/10.2478/cm-2021-0015 Zargeh, Chia Zargeh, Chia 0 Gradedness of the set of rook placements in An−1 Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0016 https://doi.org/10.2478/cm-2021-0016 Ignatev, Mikhail V. Ignatev, Mikhail V. 0 The image of multilinear polynomials evaluated on 3 × 3 upper triangular matrices Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0017 https://doi.org/10.2478/cm-2021-0017 de Mello, Thiago Castilho de Mello, Thiago Castilho 0 Pre-derivations and description of non-strongly nilpotent filiform Leibniz algebras Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0018 https://doi.org/10.2478/cm-2021-0018 Abdurasulov, K.K. Khudoyberdiyev, A. Kh. Ladra, M. Sattarov, A.M. Abdurasulov, K.K. Khudoyberdiyev, A. Kh. Ladra, M. Sattarov, A.M. 0 Unified computational approach to nilpotent algebra classification problems Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0019 https://doi.org/10.2478/cm-2021-0019 Kadyrov, Shirali Mashurov, Farukh Kadyrov, Shirali Mashurov, Farukh 0 Rota-type operators on 3-dimensional nilpotent associative algebras Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0020 https://doi.org/10.2478/cm-2021-0020 Abdujabborov, N.G. Karimjanov, I.A. Kodirova, M.A. Abdujabborov, N.G. Karimjanov, I.A. Kodirova, M.A. 0 Certain partitions on a set and their applications to different classes of graded algebras Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0021 https://doi.org/10.2478/cm-2021-0021 Calderón Martín, Antonio J. Dieme, Boubacar Calderón Martín, Antonio J. Dieme, Boubacar 0 Weak polynomial identities and their applications Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0022 https://doi.org/10.2478/cm-2021-0022 Drensky, Vesselin Drensky, Vesselin 0 Conservative algebras of 2-dimensional algebras, III Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0023 https://doi.org/10.2478/cm-2021-0023 Arzikulov, Farhodjon Umrzaqov, Nodirbek Arzikulov, Farhodjon Umrzaqov, Nodirbek 0 Actions of the additive group Ga on certain noncommutative deformations of the plane Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0024 https://doi.org/10.2478/cm-2021-0024 Kaygorodov, Ivan Lopes, Samuel A. Mashurov, Farukh Kaygorodov, Ivan Lopes, Samuel A. Mashurov, Farukh 0 A generalisation of Amitsur’s A-polynomials Wed, 14 Jul 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0025 https://doi.org/10.2478/cm-2021-0025 Owen, Adam Pumplün, Susanne Owen, Adam Pumplün, Susanne 0 Rota-Baxter operators and Bernoulli polynomials Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0001 https://doi.org/10.2478/cm-2021-0001 Gubarev, Vsevolod Gubarev, Vsevolod 0 Entropy in Thermodynamics: from Foliation to Categorization Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0002 https://doi.org/10.2478/cm-2021-0002 Kycia, Radosław A. Kycia, Radosław A. 0 Crystallographic actions on Lie groups and post-Lie algebra structures Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0003 https://doi.org/10.2478/cm-2021-0003 Burde, Dietrich Burde, Dietrich 0 Jets and the variational calculus Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0004 https://doi.org/10.2478/cm-2021-0004 Saunders, David J. Saunders, David J. 0 Circulant matrices with orthogonal rows and off-diagonal entries of absolute value 1 Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0005 https://doi.org/10.2478/cm-2021-0005 Contreras, Daniel Uzcátegui Goyeneche, Dardo Turek, Ondřej Václavíková, Zuzana Contreras, Daniel Uzcátegui Goyeneche, Dardo Turek, Ondřej Václavíková, Zuzana 0 A look on some results about Camassa–Holm type equations Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0006 https://doi.org/10.2478/cm-2021-0006 Freire, Igor Leite Freire, Igor Leite 0 Metric groups, unitary representations and continuous logic Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0007 https://doi.org/10.2478/cm-2021-0007 Ivanov, Aleksander Ivanov, Aleksander 0 The inverse problem in the calculus of variations: new developments Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0008 https://doi.org/10.2478/cm-2021-0008 Do, Thoan Prince, Geoff Do, Thoan Prince, Geoff 0 On the Mathematical Theory of Records Thu, 29 Apr 2021 22:00:00 +0000 https://doi.org/10.2478/cm-2021-0009 https://doi.org/10.2478/cm-2021-0009 Stepanov, Alexei Stepanov, Alexei 0 On a question of Schmidt and Summerer concerning 3-systems Mon, 04 Jan 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0007 https://doi.org/10.2478/cm-2020-0007 Schleischitz, Johannes Schleischitz, Johannes 0 Generalization of uniqueness and value sharing of meromorphic functions concerning differential polynomials Mon, 04 Jan 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0008 https://doi.org/10.2478/cm-2020-0008 Waghamore, Harina P. Maligi, Ramya Waghamore, Harina P. Maligi, Ramya 0 Deformations of Metrics and Biharmonic Maps Mon, 04 Jan 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0022 https://doi.org/10.2478/cm-2020-0022 Benkartab, Aicha Cherif, Ahmed Mohammed Benkartab, Aicha Cherif, Ahmed Mohammed 0 Reconciliation of discrete and continuous versions of some dynamic inequalities synthesized on time scale calculus Mon, 04 Jan 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0023 https://doi.org/10.2478/cm-2020-0023 Sahir, Muhammad Jibril Shahab Sahir, Muhammad Jibril Shahab 0 A simple construction of basic polynomials invariant under the Weyl group of the simple finite-dimensional complex Lie algebra Mon, 04 Jan 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0024 https://doi.org/10.2478/cm-2020-0024 Perelomov, Askold M. Perelomov, Askold M. 0 Finite groups with prime graphs of diameter 5 Mon, 04 Jan 2021 23:00:00 +0000 https://doi.org/10.2478/cm-2020-0025 https://doi.org/10.2478/cm-2020-0025 Gorshkov, Ilya B. Kukharev, Andrey V. Gorshkov, Ilya B. Kukharev, Andrey V. 0 Division algebras that generalize Dickson semifields Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0012 https://doi.org/10.2478/cm-2020-0012 Thompson, Daniel Thompson, Daniel 0 Leibniz A-algebras Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0013 https://doi.org/10.2478/cm-2020-0013 Towers, David A. Towers, David A. 0 Reductive homogeneous spaces and nonassociative algebras Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0014 https://doi.org/10.2478/cm-2020-0014 Elduque, Alberto Elduque, Alberto 0 Spectral sequences for commutative Lie algebras Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0015 https://doi.org/10.2478/cm-2020-0015 Wagemann, Friedrich Wagemann, Friedrich 0 Homogeneous Einstein manifolds based on symplectic triple systems Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0016 https://doi.org/10.2478/cm-2020-0016 Fontanals, Cristina Draper Fontanals, Cristina Draper 0 Lie commutators in a free diassociative algebra Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0017 https://doi.org/10.2478/cm-2020-0017 Dzhumadil’daev, A.S. Ismailov, N.A. Orazgaliyev, A.T. Dzhumadil’daev, A.S. Ismailov, N.A. Orazgaliyev, A.T. 0 Conservative algebras and superalgebras: a survey Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0018 https://doi.org/10.2478/cm-2020-0018 Popov, Yury Popov, Yury 0 The variety of dual mock-Lie algebras Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0019 https://doi.org/10.2478/cm-2020-0019 Camacho, Luisa M. Kaygorodov, Ivan Lopatkin, Viktor Salim, Mohamed A. Camacho, Luisa M. Kaygorodov, Ivan Lopatkin, Viktor Salim, Mohamed A. 0 On tangent cones to Schubert varieties in type E Sat, 10 Oct 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0020 https://doi.org/10.2478/cm-2020-0020 Ignatyev, Mikhail V. Shevchenko, Aleksandr A. Ignatyev, Mikhail V. Shevchenko, Aleksandr A. 0 Kappa-Slender Modules Wed, 08 Jul 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0001 https://doi.org/10.2478/cm-2020-0001 Dimitric, Radoslav Dimitric, Radoslav 0 Spectral Theory of Singular Hahn Difference Equation of the Sturm-Liouville Type Wed, 08 Jul 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0002 https://doi.org/10.2478/cm-2020-0002 Allahverdiev, Bilender P. Tuna, Hüseyin Allahverdiev, Bilender P. Tuna, Hüseyin 0 A new parameterized logarithmic kernel function for linear optimization with a double barrier term yielding the best known iteration bound Wed, 08 Jul 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0003 https://doi.org/10.2478/cm-2020-0003 Ayache, Benhadid Khaled, Saoudi Ayache, Benhadid Khaled, Saoudi 0 Polynomials and degrees of maps in real normed algebras Wed, 08 Jul 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0004 https://doi.org/10.2478/cm-2020-0004 Sakkalis, Takis Sakkalis, Takis 0 Solutions of the Diophantine Equation7X2 + Y7 = Z2from Recurrence Sequences Wed, 08 Jul 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0005 https://doi.org/10.2478/cm-2020-0005 Hashim, Hayder R. Hashim, Hayder R. 0 Existence of entropy solutions to nonlinear degenerate parabolic problems with variable exponent and L1-data Wed, 08 Jul 2020 22:00:00 +0000 https://doi.org/10.2478/cm-2020-0006 https://doi.org/10.2478/cm-2020-0006 Sabri, Abdelali Jamea, Ahmed Alaoui, Hamad Talibi Sabri, Abdelali Jamea, Ahmed Alaoui, Hamad Talibi 0 A note on a property of the Gini coefficient Mon, 30 Dec 2019 23:00:00 +0000 https://doi.org/10.2478/cm-2019-0008 https://doi.org/10.2478/cm-2019-0008 Genèev, Marian Genèev, Marian 0 Insertion of a Contra-Baire-1 (Baire-.5) Function Mon, 30 Dec 2019 23:00:00 +0000 https://doi.org/10.2478/cm-2019-0009 https://doi.org/10.2478/cm-2019-0009 Mirmiran, Majid Mirmiran, Majid 0 A Deformed Quon Algebra Mon, 30 Dec 2019 23:00:00 +0000 https://doi.org/10.2478/cm-2019-0010 https://doi.org/10.2478/cm-2019-0010 Randriamaro, Hery Randriamaro, Hery 0 New class of boundary value problem for nonlinear fractional differential equations involving Erdélyi-Kober derivative Mon, 30 Dec 2019 23:00:00 +0000 https://doi.org/10.2478/cm-2019-0011 https://doi.org/10.2478/cm-2019-0011 Arioua, Yacine Titraoui, Maria Arioua, Yacine Titraoui, Maria 0 Oscillation in deviating differential equations using an iterative method Mon, 30 Dec 2019 23:00:00 +0000 https://doi.org/10.2478/cm-2019-0012 https://doi.org/10.2478/cm-2019-0012 Chatzarakis, George E. Jadlovská, Irena Chatzarakis, George E. 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