پیوندهای مفید
اخبار و اعلانات
آمار
| تعداد نشریات | 13 |
| تعداد شماره‌ها | 200 |
| تعداد مقالات | 2,008 |
| تعداد مشاهده مقاله | 2,679,522 |
| تعداد دریافت فایل اصل مقاله | 1,936,924 |
Scientific cooperation Ashrafi–Gutman | ||
| Journal of Discrete Mathematics and Its Applications | ||
| دوره 8، شماره 1، شهریور 2023، صفحه 1-3 اصل مقاله (196.88 K) | ||
| نوع مقاله: Special Issue of JDMA in the Memory of Prof. Ali Reza Ashrafi | ||
| شناسه دیجیتال (DOI): 10.22061/jdma.2023.9934.1055 | ||
| نویسنده | ||
| Ivan Gutman | ||
| Department of Chemistry | ||
| تاریخ دریافت: 04 بهمن 1401، تاریخ بازنگری: 14 بهمن 1401، تاریخ پذیرش: 27 بهمن 1401 | ||
| چکیده | ||
| Ali Reza was my friend. I firmly believe that this friendship was mutual. In my long academic career, I had scientific cooperation with numerous colleagues (more than 800), but very few of them where my friends. Somewhere in the first years of the present century, I noticed that in Iran there is a mathematician producing remarkable results in Mathematical Chemistry. Soon we got in touch, soon we started to do joint research, soon Ali Reza became member of Editorial Board of our “MATCH Communications in Mathematical and in Computer Chemistry” (where he published a total of 43 contributions). Eventually, we met on many mathematical chemistry conferences held in Iran, when I experienced the unforgettable Iranian hospitality. We also met on a couple of conferences in Dubrovnik, Croatia, on one of which Ali Reza was elected member of the International Academy of Mathematical Chemistry (to what I contributed a bit). | ||
| کلیدواژه‌ها | ||
| scientific cooperation؛ match journal؛ Alireza Ashrafi | ||
| مراجع | ||
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[1] G. H. Fath–Tabar, A. R. Ashrafi, I. Gutman, Note on Estrada and L-Estrada indices of graphs, Bull. Cl. Sci. Math. Nat. Sci. Math. 139 (2009) 1–16. [2] G. H. Fath–Tabar, A. R. Ashrafi, I. Gutman, Note on Laplacian energy of graphs, Bull. - Acad. Serbe Sci. Arts, Cl. Sci. Math. Nat., Sci. Math. 137 (2008) 1–10. [3] A. Ghalavand, A. R. Ashrafi, I. Gutman, Extremal graphs for the second multiplicative Zagreb index, Bull. Inter. Math. Virtual Inst. 8 (2018) 369–383. [4] A. Ghalavand, A. R. Ashrafi, I. Gutman, New upper and lower bounds for some degree–based graph invariants, Kragujev. J. Math. 44 (2020) 181–188. [5] I. Gutman, A. R. Ashrafi, On the PI index of phenylenes and their hexagonal squeezes, MATCH Commun. Math. Comput. Chem. 60 (2008) 135–142. [6] I. Gutman, A. R. Ashrafi, The edge version of the Szeged index, Croat. Chem. Acta 81 (2008) 263–266. [7] I. Gutman, A. R. Ashrafi, G. H. Fath–Tabar, Graphhay ham energy [Equienergetic graphs], Farhang va Andishe-e-Riazi [Culture and Thinking of Mathematics] 15 (1389) 41–50. in Persian, 1389 ∼ 2011. [8] I. Gutman, A. Ghalavand, T. Dehghan–Zadeh, A. R. Ashrafi, Graphs with smallest forgotten index, Iran. J. Math. Chem. 8 (2017) 259–273. [9] M. Hakimi–Nezhaad, A. R. Ashrafi, I. Gutman, Note on degree Kirchhoff index of graphs, Trans. Comb. 2(3) (2013) 43–52. [10] M. H. Khalifeh, H. Yousefi–Azari, A. R. Ashrafi, I. Gutman, The edge Szeged index of product graphs, Croat. Chem. Acta 81 (2008) 277–281. [11] H. Khodashenas, M. J. Nadjafi–Arani, A. R. Ashrafi, I. Gutman, A new proof of the Szeged–Wiener theorem and a new characterization of block graphs, Kragujev. J. Math. 35 (2011) 165–172. [12] H. Shabani, A. R. Ashrafi, I. Gutman, Geometric–arithmetic index: An algebraic approach, Stud. Univ. Babes-Bolyai Chem. 55 (2010) 107–112. [13] H. Shabani, A. R. Ashrafi, I. Gutman, On revised Szeged index of graphs, Util. Math. 95 (2014) 281–288. [14] H. Shabani, A. R. Ashrafi, I. Gutman, B. Furtula, On extensions of Wiener index, MATCH Commun. Math. Comput. Chem. 69 (2013) 589–596. [15] M. Tavakoli, F. Rahbarnia, M. Mirzavaziri, A. R. Ashrafi, I. Gutman, Extremely irregular graphs, Kragujev. J. Math. 37 (2013) 135–139. [16] Z. Yarahmadi, A. R. Ashrafi, I. Gutman, First and second extremal bipartite graphs with respect to PI index, Math. Comput. Model. 54 (2011) 2460–2463. | ||
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آمار تعداد مشاهده مقاله: 191 تعداد دریافت فایل اصل مقاله: 182 |
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