\oddelek{ARS MATHEMATICA CONTEMPORANEA}
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Mednarodna matemati�na revija \textit{Ars Mathematica Contemporanea} (AMC) je v letu 2021
objavila svoj 20. in 21. letnik v �tirih �tevilkah.

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Skupaj je bilo v obeh letnikih objavljenih 40 �lankov. Od tega je bilo 3 �lankov slovenskih avtorjev oziroma soavtorjev.

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Oba letnika sta iz�la v papirnati obliki (ISSN 1855-3966). Vsi objavljeni �lanki so prosto dostopni tudi v elektronski obliki  na svetovnem spletu: \url{https://amc-journal.eu/index.php/amc}  (ISSN 1855-3966).

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Raz�irjeni uredni�ki odbor AMC sestavlja prek 70, ve�inoma tujih matematikov.

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Revijo indeksirajo naslednje baze podatkov: \textit{MathSciNet (indexed cover-to-cover), zbMATH, COBISS, SCOPUS, Science Citation Index-Expanded (SCIE),
Web of Science, ISI Alerting Service, Current Contents/Physical, Chemical \& Earth Sciences  (CC/PC \& ES), dblp computer science bibliography (indexed cover-to-cover).}



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\naslov{Vol. 20, No. 1 (2021)}
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\begin{seznam}
% \kazaloRevija {AVTORJI} {NASLOV} {STRAN}
% \kazaloRevija {} {} {}
% \kazaloRevija {} {} {}
% \kazaloRevija {} {} {}

% 10 (1)
\kazaloRevija {Marco Buratti, Douglas Robert Stinson} {New results on modular Golomb rulers, optical orthogonal codes and related structures} {1--27}
\kazaloRevija {Marialaura Noce} {A family of fractal non-contracting weakly branch groups} {29--36}
\kazaloRevija {Ioannis Ivrissimtzis, David Singerman, James Strudwick} {From Farey fractions to the Klein quartic and beyond} {37--50}
\kazaloRevija {Tim Penttila, Alessandro Siciliano} {On the incidence maps of incidence structures} {51--68}
\kazaloRevija {Alfredo Garc�a Olaverri, Javier Tejel Altarriba, Alexander Pilz} {On plane subgraphs of complete topological drawings} {69--87}
\kazaloRevija {G�bor Korchm�ros, G�bor P�ter Nagy} {Graphical Frobenius representations of non-abelian groups} {89--102}
\kazaloRevija {Alexander L. Gavrilyuk, Jano� Vidali, Jason S. Williford} {On few-class $Q$-polynomial association schemes: feasible parameters and nonexistence results} {103--127}
\kazaloRevija {Michael A. Henning, Douglas F. Rall} {The enclaveless competition game} {129--142}
\kazaloRevija {Javier Bracho, Luis Montejano, Eric Pauli P�rez, Jorge Luis Ra\-m�\-rez Alfons�n} {Strongly involutive self-dual polyhedra} {143--149}
\kazaloRevija {Krzysztof Petelczyc, Krzysztof Pra�mowski, Mariusz �ynel} {Geometry of the parallelism in polar spine spaces and their line reducts} {151--170}
\end{seznam}

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\naslov{Vol. 20, No. 2 (2021)}
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\begin{seznam}
%\kazaloRevija {AVTORJI} {NASLOV} {STRAN}
% 10 (0)
\kazaloRevija {Mohammad Farrokhi Derakhshandeh Ghouchan, Ebrahim Ghorbani, Hamid Reza Maimani, Farhad Rahimi Mahid} {Some algebraic properties of Sierpi�ski-type graphs} {171--186}
\kazaloRevija {Sebastian M. Cioab\u{a}, Krystal Guo, Willem H. Haemers} {The chromatic index of strongly regular graphs} {187--194}
\kazaloRevija {Gunnar Brinkmann} {A simple and elementary proof of Whitney's unique embedding theorem} {195--197}
\kazaloRevija {Jinlian Zhang, Xuhui Peng, Yichao Chen} {The average genus for bouquets of circles and dipoles} {199--208}
\kazaloRevija {Selim Bahad{\i}r, T{\i}naz Ekim, Didem G�z�pek} {Well-totally-dominated graphs} {209--222}
\kazaloRevija {Monika Pil�niak} {Nordhaus-Gaddum type inequalities for the distinguishing index} {223--231}
\kazaloRevija {Abel Cabrera Mart�nez, Juan Alberto Rodr�guez-Vel�zquez} {Closed formulas for the total Roman domination number of lexicographic product graphs} {233--241}
\kazaloRevija {Nobin Thomas, Lisa Mathew, Sastha Sriram, K. G. Subramanian} {Wiener-type indices of Parikh word representable graphs} {243--260}
\kazaloRevija {Darij Grinberg} {A double Sylvester determinant} {261--274}
\kazaloRevija {Bijo S. Anand, Manoj Changat, Prasanth G. Narasimha-Shenoi, Mary Shalet Thottungal Joseph} {Boundary-type sets of strong product of directed graphs} {275--288}
\end{seznam}

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\naslov{Vol. 21, No. 1 (2021)}
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\begin{seznam}
%\kazaloRevija {AVTORJI} {NASLOV} {STRAN}
% 10 (1)
\kazaloRevijaArt {Gareth A. Jones} {Realisation of groups as automorphism groups in permutational categories} {\#P1.01, 22 pp.}
\kazaloRevijaArt {Csilla Bujt�s, Mario Gionfriddo, Elena Guardo, Lorenzo Milazzo, Salvatore Milici, Zsolt Tuza} {Complex uniformly resolvable decompositions of $K_v$} {\#P1.02, 10 pp.}
\kazaloRevijaArt {Sandi Klav�ar, Douglas F. Rall, Ismael G. Yero} {General $d$-position sets} {\#P1.03, 12 pp.}
\kazaloRevijaArt {Angela Aguglia, Luca Giuzzi, Masaaki Homma} {On Hermitian varieties in $PG(6, q^2)$} {\#P1.04, 11 pp.}
\kazaloRevijaArt {Gabriela Araujo-Pardo, Juan Carlos D\'{i}az-Pati\~{n}o, Christian Rubio-Montiel} {Achromatic numbers of Kneser graphs} {\#P1.05, 13 pp.}
\kazaloRevijaArt {Jes�s Antonio �lvarez L�pez, Ram�n Barral Lij�, Hiraku Nozawa} {Coarse distinguishability of graphs with symmetric growth} {\#P1.06, 18 pp.}
\kazaloRevijaArt {Andriaherimanana Sarobidy Razafimahatratra} {On complete multipartite derangement graphs} {\#P1.07, 15 pp.}
\kazaloRevijaArt {Saveliy V. Skresanov} {On 2-closures of rank 3 groups} {\#P1.08, 20 pp.}
\kazaloRevijaArt {Constantin Costara} {Nonlinear maps preserving the elementary symmetric functions} {\#P1.09, 8 pp.}
\kazaloRevijaArt {Gang Chen, Jiawei He, Ilia Ponomarenko, Andrey Vasil'ev} {A characterization of exceptional pseudocyclic association schemes by multidimensional intersection numbers} {\#P1.10, 18 pp}
\end{seznam}

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\naslov{Vol. 21, No. 2 (2021)}
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\begin{seznam}
%\kazaloRevija {AVTORJI} {NASLOV} {STRAN}
%% 10 (1)
\kazaloRevijaArt {Kan Hu, Young Soo Kwon, Jun-Yang Zhang} {Classification of skew morphisms of cyclic groups which are square roots of automorphisms} {\break \#P2.01, 23 pp.}
\kazaloRevijaArt {Mi-Mi Zhang, Jin-Xin Zhou} {Trivalent dihedrants and bi-dihedrants} {\#P2.02, 26 pp.}
\kazaloRevijaArt {Brian Tianyao Chan} {A generalization of balanced tableaux and marriage problems withArt unique solutions} {\#P2.03, 17 pp.}
\kazaloRevijaArt {Sergi Elizalde, Rigoberto Fl�rez, Jos� Luis Ram�rez} {Enumerating symmetric peaks in non-decreasing Dyck paths} {\#P2.04, 23 pp.}
\kazaloRevijaArt {Lowell Abrams, Lindsey-Kay Lauderdale} {Density results for Graovac-Pisanski�s distance number} {\#P2.05, 15 pp.}
\kazaloRevijaArt {Mariusz Grech} {Decompositions of the automorphism groups of edge-colored graphs into the direct product of permutation groups} {\#P2.06, 11 pp.}
\kazaloRevijaArt {Aleksander Vesel} {Efficient proper embedding of a daisy cube} {\#P2.07, 12 pp.}
\kazaloRevijaArt {Przemys�aw Gordinowicz, Pawe� Twardowski} {The polynomial method for list-colouring extendability of outerplanar graphs} {\#P2.08, 17 pp.}
\kazaloRevijaArt {Amela Muratovi�-Ribi�} {On generalized strong complete mappings and mutually orthogonal Latin squares} {\#P2.09, 7 pp.}
\kazaloRevijaArt {Stephen P. Glasby, Emilio Pierro, Cheryl E. Praeger} {Point-primitive generalised hexagons and octagons and projective linear groups} {\#P2.10, 9~pp}
\end{seznam}

