## List of accepted abstracts

**Section 1 (Algebra, Discrete Mathematics, Combinatorics and Number Theory)
**

- Risto Atanasov, Groups and loops partitioned by subgroups
- Arben Baushi, Characteristic of tiling generated by a root of polynomial P(x) = x^4 – 3x^3 + x^2 – 2x – 1
- Aleksandar Bikov, Nedyalko Nenov, The edge Folkman number $F_e(3, 3; 4)$ is greater than 19
- Lidija Gorachinova-Ilieva, Emilija Spasova-Kamcheva, An algebraic representation of a class of homogeneous Steiner quadruple systems
- Valentina Miovska, Vesna Celakoska-Jordanova, Vector valued hyperstructures
- İbrahim Şentürk, Tahsin Öner, Categorical syllogisms on Heyting algebras

**Section 2 (Complex Analysis, Real Analysis and Functional Analysis)
**

- Ekrem (Aljimi) Alimi, Elida Hoxha, Florim Hyseni, Xhevdet Thaqi, Approximation for periodic functions via weighted A-statistical convergence for sequences of positive linear operators
- Katerina Anevska, Risto Malčeski, Remark about characterization of 2-inner product
- Teodor Bulboacă, On the theory of differential subordination and superordination
- Stela Çeno, Gladiola Tigno, Asymmetric inner product and asymmetric quasi norm function
- Anila Duka, Ndricim Sadikaj, On quasiconformal selfmappings of the unit disk and the unit ball
- Paul Gauthier, Approximation by: Riemann zeta-function; polynomials (rational functions) with constrained zeros (poles)
- Martin Lukarevski, Samoil Malcheski, Sequentially convergent mappings and common fixed points of mappings in 2-Banach space
- Aleksa Malceski, Alit Ibrahimi, Risto Malceski, Extending Kannan and Chatterjea theorems in 2-Banach spaces by using sequentially convergent mappings
- Samoil Malcheski, Some characterizations of 2-inner product
- Samoil Malcheski, Katerina Anevska, Risto Malcheski, A characterization of strictly convex 2-normed space
- Milutin Obradovic, Recent results on a class of univalent functions
- Zerrin Önder, Ümit Totur, Ibrahim Çanak, Statistical extensions of some classical Tauberian theorems for Cesàro summability of triple sequences
- Dilek Söylemez, On modified Bleimann, Butzer and Hahn approximation operators
- Ledia Subashi, Properties of a tiling generated by the golden ratio
- Nikola Tuneski, David Shoikhet, Mark Elin, Some results about a filtration of starlike functions
- Kastriot Zoto, Ilir Vardhami, Common fixed points in b-dislocated metric spaces using (E.A) property

**Section 3 (Differential Equations and Dynamical Systems)**

- Slagjana Brsakoska, About the zeros and the oscillatory character of the solution of one areolar equation of second order
- Lazo Dimov, On the types of linear differential equations of second order and their solutions
- Diana Dolićanin-Đekić, Strongly isochronous centers of two-dimensional cubic systems with degenerate infinity
- Billur Kaymakçalan, Second order dynamic operator with transmission conditions and associated contractive operator
- Seda Kızılbudak Çalışkan, Serpil Uslu, Spectral properties of eigenvalues and eigenfunctions of a discontinuous boundary value problem with retarded argument
- Ekaterina Madamlieva, Loreta Kasmska, Snezhana Hristova, Approximate method for the initial value problem for impulsive difference equations
- Gjorgji Markoski, Monika Peshevska, Aleksandar Gjurchinovski, Extended discrete transformation method for nonlinear systems of ordinary and fractional differential equations
- Maya Mincheva, Multistationarity in reaction networks models
- Zerrin Özçubukcu, Oya Ünal, On the regularized trace formula of the second order differential operator equation with semi-periodic boundary conditions
- Boro Piperevski, For one system differential equations dual of the system of Lorenz
- Ahmet Yantir, On continuous dependence of solutions of dynamic equations
- Burcu Silindir Yantir, On integrable extensions
- Biljana Zlatanovska, Approximation for the solutions of Lorenz system with systems of differential equations

**Section 4 (Topology, Geometry, Differential Geometry and Mathematical Physics)**

- Ferihe Atalan, Elif Medetoğullari, Birman-Hilden property and Non-orientable surfaces
- Sonja Čalamani, Dončo Dimovski, Marzanna Sevveryn-Kuzmanovska, Theorems of metrizations in (3,j,ρ)-B-metrizable spaces, j\in {1,2}
- Ivko Dimitric, Hypersurfaces of quaternionic projective space of Chen type 2
- Tomi Dimovski, Donco Dimovski, Convergence of sequences in (3, j, \rho)-N-metrizable spaces, j\in {1,2}
- Gjorgji Markoski, Abdulla Buklla, On product of quasicomponents
- Şerife Nur Bozdağ, Ali Çalişkan, Analysis of curves with Lie groups
- Vildan Özdemir, Tunahan Turhan, Nihat Ayyildiz, Some characterizations of point-line trajectories in Lorentz 3-space
- Vildan Özdemir, Tunahan Turhan, Nihat Ayyildiz, Kinematic geometry of pseudo-spherical evolutes
- Ndricim Sadkaj, Anila Duka, Equations of motion of classical non-relativistic strings and relativistic strings
- Ndricim Sadkaj, Anila Duka, Some examples of Calabi–Yau manifolds
- Akifumi Sako, Noncommutative Kähler Manifolds and their Fock representations
- Nikita Shekutkovski, Zoran Misajleski, Connection between strong proximative and strong approximative sequences
- Kostadin Trencevski, Application of the geometry of curves in 3-dimensional Euclidean space
- Tunahan Turhan, Vildan Özdemir, Nihat Ayyildiz, On matrices and vector field in Minkowski 3-space

**Section 5 (Probability, Statistics, Numerical Mathematics and Optimization)**

- Esin Avci, Using Informative Prior from Meta Analysis in Bayesian Approach
- Marko Dimovski, Irena Stojkovska, Regularized least-square optimization method for variable selection in regression models
- Maria Dobreva, Ivan Chenchev, Clinical evaluation of treatment of gingival recessions supported by Bayesian statistics
- Aneta Gacovska-Barandovska, Elisaveta Pancheva, An example on application of randomly indexed central order statistics
- Lazim Kamberi, Ylldrita Seferi, Dashmir Ibishi, Using Queueing theory-M/M/1 in Hospital Tetovo
- Milena Kresoja, Marko Dimovski, Irena Stojkovska, Zorana Lužanin, Stochastic approximation with adaptive step sizes for optimization in noisy environment and its application in regression models
- Filip Nikolovski, Irena Stojkovska, Complex-step gradient approximation and performance analysis of nonmonotone optimization algorithms in noisy environment
- Veska Noncheva, Imputation of missing categorical values in survey research data
- Gökhan Özçelik, Cevriye Temel Gencer, A Game Theoretical Approach for Supplier Interdiction on Single Echelon Supply Chain in Competitive Environment
- Marija Stanić, An optimal set of quadrature rules for trigonometric polynomials
- Mehmet Ünver, Gökhan Özçelik, Identification of a fuzzy measure that meets redundancy among criteria in Multicriteria Decision Making Problem

**Section 6 (Actuarial Mathematics, Mathematical Finance and Modeling in Economy)**

- Stevo Gjorgiev, Vlatko Kochovski, An approach to the Income function movement when its components change according to the principle of the geometric progression

**Section 7 (Mathematical Aspects of Computer Sciences)
**

- Igor Janevski, Vanco Cabukovski, Roman Golubovski, Mathematical calibration of sensors for embedded applications
- Anastasios Papapostolu, Dimitar Birov, A pi-calculus ADL for semi-automatic code generation
- Mimoza Petrova, Vanco Cabukovski, Roman Golubovski, Supporting education in math sciences with a low-budget LMS SAKAI

**Section 8 (History of Mathematics and Mathematics Education)**

- Risto Atanasov, Online homework systems in Calculus
- Risto Atanasov, Teaching online mathematics course for undergraduate students
- Vesna Celakoska-Jordanova, Emilija Celakoska, Mathematical terminology: On the names of fractions in the Macedonian language
- Vesna Celakoska-Jordanova, Emilija Celakoska, Names of foreign mathematicians in the mathematical literature in Macedonian
- Ana Donevska-Todorova, An overview on the curricula for linear algebra in the Macedonian gymnasiums
- Metodi Glavche, Katerina Anevska, Risto Malcheski, Better integrated teaching of geometry and algebra in primary education
- Valentina Gogovska, Logical fallacies as a tool for empowering students’ thinking and reasoning in math classes
- Sava Grozdev, Deko Dekov, Computer Discovered Mathematics and Applications in Education
- Slagjana Jakimovik, Early learning of mathematics and the use of picture books in teaching
- Borislav Lazarov, Albena Vassileva, Age Factor Index in a Math Contest Paper for 5
^{th}and 6^{th}Grade Students - Jasmina Markoska, Gjorgji Markoski, Geometrical solving of some systems of equations
- Jasmina Markoska, Gjorgji Markoski, Examination of the students’ previous knowledge before and after the first year of secondary education
- Valentina Miovska, Aneta Gacovska-Barandovska, Most frequent errors and misconceptions of first year math students in high school problems
- Boce Mitrevski, Aneta Gacovska-Barandovska, Lambe Barandovski, Application of math knowledge in solving problems of geometrical optics
- Gordana Nikolovska, Irena Stojkovska, Algebraic Strategies for Predictions in Elementary Mathematics Education
- Branislav Popović, Infinity in mathematics teaching in primary school
- Mejdin Saliji, Aneta Velkovska, Donco Dimovski, Analysis of tasks and tests in mathematics for eighth grade in nine-years primary school
- Biljana Shuminoska, Irena Stojkovska, Mathematical modeling in mathematics education through solving realistic Fermi problems
- Zoran Trifunov, Marice Lazarovska, Solving real-life problems for increasing the motivation of students in learning mathematics

**Poster session**

- Behar Baxhaku, Fevzi Berisha, Statistical approximation properties of bivariate extension of q-Lupaş-Stancu operators
- Artan Berisha, Faton Berisha, Modified AES for increasing data security and its parallel implementation
- Marijana Toshevska, Math teachers’ past and current experience affecting their future test grading

**Workshop 1: International Workshop on generalized functions and pseudo-differential operators**

- Jelena Aleksic, Stevan Pilipovic, Ivana Vojnovic, H–distributions with unbounded multipliers
- Sanja Atanasova, Stevan Pilipovic, Katerina Saneva, Jasson Vindas, Asymptotic behavior of distributions and time-frequency analysis
- Marco Cappiello, Pseudodifferential operators and wave front sets on quasi-analytic Gelfand-Shilov spaces
- Sandro Coriasco, A sharp Weyl formula for tensor products of pseudodifferential operators
- Andreas Debrouwere, Non-triviality of certain spaces of analytic functions. Ultrahyperfunctions and hyperfunctions of fast growth.
- Gregory Debruyne, Complex Tauberian theorems for Laplace transforms
- Pavel Dimovski, Stevan Pilipovic, Bojan Prangoski, Jasson Vindas, Modulation spaces related to translation-invariant Banach spaces of quasi-analytic ultradistributions
- Smiljana Jaksic, Structure theorems for G-type spaces of ultradistributions over $R_+^d$
- Marko Kostic, Stevan Pilipovic, Daniel Velinov, C-distribution semigroups and C-ultradistribution semigroups in locally convex spaces
- Daniel Lorenz, Strictly Hyperbolic Equations with Low-Regular Coefficients with Respect to Time
- Dennis Nemzer, Boehmians of $L^2$- Growth
- Alessandro Palmieri, Recent progress for wave models with scale invariant mass and dissipation
- Stevan Pilipovic, Nenad Teofanov, Filip Tomic, Beyond Gevrey regularity
- Bojan Prangoski, Complex powers of infinite order pseudodifferential operators
- Maximilian Reich, Recent Progress on Composition in Weighted Modulation Spaces
- Michael Reissig, Some non-standard pseudo-calculus in the treatment of dispersive equations
- Joachim Toft, Small test function and large distribution spaces, invariant under Fourier transformation
- Ville Turunen, Theory and applications of time-frequency analysis
- Jasson Vindas, On general Stieltjes moment problems
- Djordje Vuckovic, Eigenexpansions of ultradifferentiable functions and ultradistributions in R^n

**Workshop 2: Fixed point theory and its applications**

- Umit Aksoy, Inci M. Erhan, Erdal Karapinar, Applications of fixed point theory results to ordinary and partial differential equations
- İshak Altun, Some fixed point results on quasi metric spaces
- Hacer Dağ, Hakan Şimşek, A fixed point theorem for multivalued mappings on quasi metric space
- Gonca Durmaz, Murat Olgun, Some relations between recent fixed point results on metric space
- Inci Erhan, Selma Gulyaz, Erdal Karapinar, Quasi-disloacated spaces
- Erdal Karapinar, Advances on fixed point theory
- Mahpeyker Öztürk, Modular spaces and some fixed point theorem
- Rezan Sevinik Adıgüzel, Some properties of the q-quadratic lattices
- Ali Uçum, On classification of bi-null curves in R_{3}^{6}

**Students Institute**

- Vera Dimovska, Combinatorial game theory: An analysis of a fair game
- Paolina Gadjulova, Simulation of an ecosystem with three species on a toroidal lattice
- Vanessa Getseva: Haplotype phasing of structural variations in genomes of individuals
- Filip Selamovski, Analysis of terrorism through game theory