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Yayın Abstract book(Maltepe Üniversitesi, 2019) Çakallı, Hüseyin; Savaş, Ekrem; Sakallı, İzzet; Horgan, Jane; Daly, Charlie; Power, James; Kocinac, Ljubi^sa; Cavalanti, M. Marcelo; Corrˆea, Wellington J.; Özsarı, Türker; Sep´ulveda, Mauricio; Asem, Rodrigo V´ejar; Harte, Robin; Açıkgöz, Ahu; Esenbel, Ferhat; Jabor, Ali Ameer; Omran, Ahmed abd-Ali; Varol, Banu Pazar; Kanetov, Bekbolot; Baidzhuranova, Anara; Saktanov, Ulukbek; Kanetova, Dinara; Zhanakunova, Meerim; Liu, Chuan; Yıldırım, Esra Dalan; Şahin, Hakan; Altun, Ishak; Türkoğlu, Duran; Akız, Hürmet Fulya; Mucuk, Osman; Motallebi, Mohammad Reza; Demir, Serap; Şahan, Tunçar; Kelaiaia, Smail; Yaying, Taja; Noiri, Takashi; Vergili, Tane; Çetkin, Vildan; Misajleski, Zoran; Shekutkovski, Nikita; Durmishi, Emin; Berkane, Ali; Belhout, Mohamed; Es-Salih, Aries Mohammed; Sönmez, Ayşe; Messirdi, Bachir; Derhab, Mohammed; Khedim, Tewfik; Karim, Belhadj; Affane, Doria; Yarou, Mustapha Fateh; Yılmaz, Fatih; Sertbaş, Meltem; Bouchelaghem, Faycal; Ardjouni, Abdelouaheb; Djoudi, Ahcene; Çiçek, Gülseren; Mahmudov, Elimhan; El-Metwally, Hamdy A.; AL-kaff, M.; Mustafayev, Heybetkulu; Duru, Hülya; Biroud, KheireddineOn behalf of the Organizing Committee, we are very pleased to welcome you to the 3nd International Confer- ence of Mathematical Sciences (ICMS 2019) to be held between 4-8 September 2019 at Maltepe University in Istanbul. We hope that, ICMS 2019 will be one of the most beneficial scientific events, bringing together mathematicians from all over the world, and demonstrating the vital role that mathematics play in any field of science.Yayın Domination in discrete topology graphs(Maltepe Üniversitesi, 2019) Jabor, Ali Ameer; Omran, Ahmed Abd AliIn this paper we obtain a graph from the discrete topology under some conditions taken from composition of topology, study properties of that graph and the domination number of the discrete topology graph. Finally, the affection of the discrete topology graph domination parameter when a graph is modified by deleting or adding a vertex is studied in this paper. Definition 1. Let (X, ? ) be a topological space. Define the graph G? = (V, E) such that: V={u:u? ? , u?=? , X } E= {uv ? E(G? ) if u?v?= ?, u?=v and u,v ? ? }. Theorem 1. If (X, ? ) is a discrete space and X contains greater than or equal to three elements, then G? is a connected graph. Theorem 2. If (X, ? ) is a discrete space with |X| ? 3, then G? has no cut vertex. Theorem 3. If (X, ? ) is a discrete space with |X| ? 3, then ?(G? ) = 2. Theorem 4. ?(G? ? v) ? ?(G? ). Theorem 5. ?(G? ? e) = ?(G? ).Yayın Topological domination in graph theory(Maltepe Üniversitesi, 2021) Jabor, Ali Ameer; Omran, Ahmed Abd-AliDominating sets play an important role in applications of graph theory. Recent studies in this field studied properties of minimum dominating sets (?-set). The other type of studies produces a topology space from the set of vertices or the set of edges of a graph G. In this paper, the domination topology (?d) has been created form the set of minimal dominating sets of a graph G. The family of all minimal dominating sets (MDS) represents open sets in ?d. The (?d) d-intersection and (?d) d-union have been defined.