*May 18–20, 2016, Serbian Academy of Sciences and Arts, Belgrade, Serbia*

**Wednesday, May 18
Club of the Serbian Academy of Sciences and Arts, Knez Mihajlova 35, 2nd floor**

Registration from 16.00

Welcome cocktail, 17.00-19.00

**Thursday, May 19, Room 2 at the 3rd floor**

Registration, 8.30-9.00

Opening, 9.00-9.30

Invited speaker, 9.30-10.20

- W. Haemers,
*Spectral characterizations of graphs*

Short break, 10.20-10.30

Section 1, 10.30-11.50

- D. Stevanović,
*Comparing closed walk counts in trees consisting of three paths* - M.A. Fiol,
*Equivalent characterizations of the spectra of graphs and applications to measures of distance-regularity* - M. Fürer,
*Locating the eigenvalues for graphs of small clique-width* - A. Krapež,
*Special graphs and quasigroup functional equations*

Coffee break, 11.50-12.10

Section 2, 12.10-13.30

- D. Cvetković,
*Three examples of a ground-breaking impact of the variable neighborhood search on investigations in graph theory* - E. Kaya,
*On the Co-PI spectral radius and the Co-PI energy of graphs* - A.D. Maden,
*Improved bounds for the normalized Laplacian energy of graphs* - E. Zogić,
*Resolvent energy of graphs*

Lunch break, 13.30-15.00

Invited speaker, 15.00-15.50

Short break, 15.50-16.00

Section 3, 16.00-17.20

- P. Hansen,
*Cospectrality of graphs with respect to distance matrices* - C. Dalfó,
*Cospectral digraphs from locally line digraphs* - I. Jovanović,
*Constructing graphs with given spectrum and spectral radius at most 2* - N. Abreu,
*A Nordhaus-Gaddum upper bound to the second eigenvalue of a graph*

Coffee break, 17.20-17.40

Section 4, 17.40-19.00

- M. Mitjana,
*The Kirchhoff index of some molecular graphs* - M. Bradonjić,
*Asymptotic laws for maximum coloring of random geometric graphs* - S. Sorgun,
*On Laplacian spectrum of the nilpotent graphs over the ring Z*_{n} - A.M. Encinas,
*Resistive distances on networks*

Conference Dinner, Hotel Palace, from 20.00

**Friday, May 20, Room 2 at the 3rd floor**

Invited speaker, 9.00-9.50

Short break, 9.50-10.00

Section 5, 10.00-11.20

- P. Rowlinson,
*Some graphs with just three distinct eigenvalues* - F. Belardo,
*Star complement technique and the eigenbasis of -2 in signed line graphs* - T. Koledin,
*Regular graphs with a small number of distinct eigenvalues* - I. Sciriha,
*A nut graph lies in an extremal singular graph*

Coffee break, 11.20-11.40

Section 6, 11.40-13.00

- X. Wang,
*The algebraic connectivity of an interdependent network* - N. Djurdjevac-Conrad,
*Spectral method for finding dominant graph structures: from undirected to directed graphs* - V. Todorčević,
*Some remarks on spectral recognition of music melodies* - R.E. Kooij,
*Inconsistencies among spectral robustness metrics*

Lunch break, 13.00-14.30

Invited speaker, 14.30-15.20

Break, 15.20-15.30

Section 7, 15.30-16.50

- V. Vujčić,
*A survey on the complexity indices for the Travelling salesman problem* - K. Das,
*On (signless) Laplacian eigenvalues of graphs* - Lj. Pavlović,
*Conjecture for the geometric-arithmetic index with given minimum degree* - P. Van Mieghem,
*Fundamental weights of a graph*

Coffee break, 16,50 - 17,10

Section 8, 17.10-18.50

- D. Cardoso,
*Spectral and combinatorial properties of lexicographic powers of graphs* - B. Borovićanin,
*On the maximum and minimum Zagreb indices of some classes of trees* - M. Rašajski,
*Some notes on maximal number of cycles in reflexive cacti* - B. Mihajlović,
*Some transformations that preserve*sgn(λ_{2}-r)