Ivan Gutman

According to our database, Ivan Gutman authored at least 123 papers between 1981 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of two.

2023

On (exponential) bond incident degree indices of graphs.

Peichao Wei, Muhuo Liu, Ivan Gutman

Discret. Appl. Math., September, 2023

Proofs to Some Open Problems on the Maximum Sombor Index of Graphs.

Sakander Hayat, Muhammad Arshad, Ivan Gutman

Comput. Appl. Math., September, 2023

2022

Hosoya index of VDB-weighted graphs.

Roberto Cruz, Ivan Gutman, Juan Rada

Discret. Appl. Math., 2022

On Sombor index of trees.

Kinkar Chandra Das, Ivan Gutman

Appl. Math. Comput., 2022

2021

Sombor index of chemical graphs.

Roberto Cruz, Ivan Gutman, Juan Rada

Appl. Math. Comput., 2021

2020

Comparing eccentricity-based graph invariants.

Ivan Gutman, Hongbo Hua, Hongzhuan Wang

Discuss. Math. Graph Theory, 2020

Cycle energy and its size dependence.

Ivan Gutman

Discret. Appl. Math., 2020

Beyond the Zagreb indices.

Ivan Gutman, Emina I. Milovanovic, Igor Z. Milovanovic

AKCE Int. J. Graphs Comb., 2020

2019

Some new lower bounds for augmented Zagreb index.

Boris Furtula, Ivan Gutman, Marjan M. Matejic, Emina I. Milovanovic, Igor Z. Milovanovic

J. Appl. Math. Comput., October, 2019

Linear and non-linear inequalities on the inverse sum indeg index.

Ivan Gutman, José M. Rodríguez, José M. Sigarreta Almira

Discret. Appl. Math., 2019

Graph irregularity and its measures.

Hosam Abdo, Darko Dimitrov, Ivan Gutman

Appl. Math. Comput., 2019

2018

Inverse problem on the Steiner Wiener index.

Ivan Gutman, Xueliang Li, Yaping Mao

Discuss. Math. Graph Theory, 2018

Graphs with maximal σ irregularity.

Hosam Abdo, Darko Dimitrov, Ivan Gutman

Discret. Appl. Math., 2018

Relations between total irregularity and non-self-centrality of graphs.

Kexiang Xu, Xiaoqian Gu, Ivan Gutman

Appl. Math. Comput., 2018

Stepwise irregular graphs.

Ivan Gutman

Appl. Math. Comput., 2018

Randić index and information.

Ivan Gutman, Boris Furtula, Vladimir Katanic

AKCE Int. J. Graphs Comb., 2018

2017

Computational prediction of therapeutic peptides based on graph index.

Chunrui Xu, Li Ge, Yusen Zhang, Matthias Dehmer, Ivan Gutman

J. Biomed. Informatics, 2017

Nordhaus-Gaddum-type results for the Steiner Wiener index of graphs.

Yaping Mao, Zhao Wang, Ivan Gutman, He Li

Discret. Appl. Math., 2017

Further results on the largest matching root of unicyclic graphs.

Weijun Liu, Qiang Guo, Yanbo Zhang, Lihua Feng, Ivan Gutman

Discret. Appl. Math., 2017

Cacti with n-vertices and t cycles having extremal Wiener index.

Ivan Gutman, Shuchao Li, Wei Wei

Discret. Appl. Math., 2017

On the maximum ABC index of graphs without pendent vertices.

Zehui Shao, Pu Wu, Yingying Gao, Ivan Gutman, Xiujun Zhang

Appl. Math. Comput., 2017

Generalizations of Szőkefalvi Nagy and Chebyshev inequalities with applications in spectral graph theory.

Ivan Gutman, Kinkar Chandra Das, Boris Furtula, Emina I. Milovanovic, Igor Z. Milovanovic

Appl. Math. Comput., 2017

On coindices of graphs and their complements.

Ivan Gutman

Appl. Math. Comput., 2017

On spectral radius and energy of extended adjacency matrix of graphs.

Kinkar Chandra Das, Ivan Gutman, Boris Furtula

Appl. Math. Comput., 2017

General sum-connectivity index, general product-connectivity index, general Zagreb index and coindices of line graph of subdivision graphs.

Harishchandra S. Ramane, Vinayak V. Manjalapur, Ivan Gutman

AKCE Int. J. Graphs Comb., 2017

2016

A kernel-based clustering method for gene selection with gene expression data.

Huihui Chen, Yusen Zhang, Ivan Gutman

J. Biomed. Informatics, 2016

The Steiner Wiener index of a graph.

Ivan Gutman, Xueliang Li, Yaping Mao

Discuss. Math. Graph Theory, 2016

Graphs with maximum Laplacian and signless Laplacian Estrada index.

Ivan Gutman, Luis Medina, Pamela Pizarro, María Robbiano

Discret. Math., 2016

On Wiener and multiplicative Wiener indices of graphs.

Kinkar Chandra Das, Ivan Gutman

Discret. Appl. Math., 2016

Upper bounds for some graph energies.

Igor Z. Milovanovic, Emina I. Milovanovic, Ivan Gutman

Appl. Math. Comput., 2016

On ordering of complements of graphs with respect to matching numbers.

Hong-Hai Li, Qianqian Wu, Ivan Gutman

Appl. Math. Comput., 2016

On some degree-and-distance-based graph invariants of trees.

Ivan Gutman, Boris Furtula, Kinkar Chandra Das

Appl. Math. Comput., 2016

On Steiner degree distance of trees.

Ivan Gutman

Appl. Math. Comput., 2016

On energy and Laplacian energy of bipartite graphs.

Kinkar Chandra Das, Seyed Ahmad Mojallal, Ivan Gutman

Appl. Math. Comput., 2016

2015

Which tree has the smallest ABC index among trees with k leaves?

Colton Magnant, Pouria Salehi Nowbandegani, Ivan Gutman

Discret. Appl. Math., 2015

The degree resistance distance of cacti.

Junfeng Du, Guifu Su, Jianhua Tu, Ivan Gutman

Discret. Appl. Math., 2015

On extremal trees with respect to the $F$-index.

Hosam Abdo, Darko Dimitrov, Ivan Gutman

CoRR, 2015

On spectral radius and energy of complete multipartite graphs.

Dragan Stevanovic, Ivan Gutman, Masood U. Rehman

Ars Math. Contemp., 2015

Novel inequalities for generalized graph entropies - Graph energies and topological indices.

Xueliang Li, Zhongmei Qin, Meiqin Wei, Ivan Gutman, Matthias Dehmer

Appl. Math. Comput., 2015

On Laplacian energy in terms of graph invariants.

Kinkar Chandra Das, Seyed Ahmad Mojallal, Ivan Gutman

Appl. Math. Comput., 2015

Relations between distance-based and degree-based topological indices.

Kinkar Chandra Das, Ivan Gutman, Mohammad J. Nadjafi-Arani

Appl. Math. Comput., 2015

2014

Wiener index of Eulerian graphs.

Ivan Gutman, Roberto Cruz, Juan Rada

Discret. Appl. Math., 2014

On difference of Zagreb indices.

Boris Furtula, Ivan Gutman, Süleyman Ediz

Discret. Appl. Math., 2014

Zagreb indices of transformation graphs and total transformation graphs.

Sunilkumar M. Hosamani, Ivan Gutman

Appl. Math. Comput., 2014

Degree-based topological indices: Optimal trees with given number of pendents.

Mikhail V. Goubko, Ivan Gutman

Appl. Math. Comput., 2014

2013

On structure-sensitivity of degree-based topological indices.

Boris Furtula, Ivan Gutman, Matthias Dehmer

Appl. Math. Comput., 2013

2012

The matching energy of a graph.

Ivan Gutman, Stephan G. Wagner

Discret. Appl. Math., 2012

On the Zagreb indices equality.

Hosam Abdo, Darko Dimitrov, Ivan Gutman

Discret. Appl. Math., 2012

Some properties of the Narumi-Katayama index.

Ivan Gutman, Modjtaba Ghorbani

Appl. Math. Lett., 2012

q-Wiener index of some compound trees.

Jiaguo Liu, Ivan Gutman, Zengchao Mu, Yusen Zhang

Appl. Math. Comput., 2012

Computer search for trees with minimal ABC index.

Boris Furtula, Ivan Gutman, Milos R. Ivanovic, Damir Vukicevic

Appl. Math. Comput., 2012

2011

First and second extremal bipartite graphs with respect to PI index.

Zahra Yarahmadi, A. R. Ashrafi, Ivan Gutman

Math. Comput. Model., 2011

On the first geometric-arithmetic index of graphs.

Kinkar Chandra Das, Ivan Gutman, Boris Furtula

Discret. Appl. Math., 2011

2010

Lower bounds for Estrada index and Laplacian Estrada index.

Hamidreza Bamdad, Firouzeh Ashraf, Ivan Gutman

Appl. Math. Lett., 2010

2009

The edge-Wiener index of a graph.

Peter Dankelmann, Ivan Gutman, Simon Mukwembi, Henda C. Swart

Discret. Math., 2009

On the degree distance of a graph.

Peter Dankelmann, Ivan Gutman, Simon Mukwembi, Henda C. Swart

Discret. Appl. Math., 2009

Estimating the Szeged index.

Kinkar Chandra Das, Ivan Gutman

Appl. Math. Lett., 2009

2008

Electronic Structure Study of Thermal Intraconversions of Some Dicyclopenta-Fused Polycyclic Aromatic Compounds.

Svetlana Markovic, Sonja Stankovic, Slavko Radenkovic, Ivan Gutman

J. Chem. Inf. Model., 2008

Relations between Clar structures, Clar covers, and the sextet-rotation tree of a hexagonal system.

Shan Zhou, Heping Zhang, Ivan Gutman

Discret. Appl. Math., 2008

2007

On the Cycle-Dependence of Topological Resonance Energy.

Ivan Gutman, Sonja Stankovic, Jelena Durdevic, Boris Furtula

J. Chem. Inf. Model., 2007

2006

On the role of hypercubes in the resonance graphs of benzenoid graphs.

Khaled Salem, Sandi Klavzar, Ivan Gutman

Discret. Math., 2006

A theorem on Wiener-type invariants for isometric subgraphs of hypercubes.

Sandi Klavzar, Ivan Gutman

Appl. Math. Lett., 2006

2005

Variable Neighborhood Search for Extremal Graphs. 10. Comparison of Irregularity Indices for Chemical Trees.

Ivan Gutman, Pierre Hansen, Hadrien Mélot

J. Chem. Inf. Model., 2005

Spectra and energies of iterated line graphs of regular graphs.

Harishchandra S. Ramane, Hanumappa B. Walikar, Siddani Bhaskara Rao, B. Devadas Acharya, Prabhakar Ramrao Hampiholi, Sudhir R. Jog, Ivan Gutman

Appl. Math. Lett., 2005

2004

Algebraic Kekulé Structures of Benzenoid Hydrocarbons.

Ivan Gutman, Damir Vukicevic, Ante Graovac, Milan Randic

J. Chem. Inf. Model., 2004

Chirality Codes and Molecular Structure.

João Aires-de-Sousa, Johann Gasteiger, Ivan Gutman, Dusica Vidovic

J. Chem. Inf. Model., 2004

2003

QSPR/QSAR Studies by Molecular Descriptors By Mircea V. Diudea. Nova Science Publishers 2001, ISBN 1-5672-859-0.

Ivan Gutman

J. Chem. Inf. Comput. Sci., 2003

Harmonic graphs with small number of cycles.

Bojana Borovicanin, Stefan Grünewald, Ivan Gutman, Miroslav Petrovic

Discret. Math., 2003

Graphs with maximum connectivity index.

Gilles Caporossi, Ivan Gutman, Pierre Hansen, Ljiljana Pavlovic

Comput. Biol. Chem., 2003

The number of walks in a grap.

Andreas W. M. Dress, Ivan Gutman

Appl. Math. Lett., 2003

Asymptotic results regarding the number of walks in a graph.

Andreas W. M. Dress, Ivan Gutman

Appl. Math. Lett., 2003

2002

No starlike trees are cospectral.

Mirko Lepovic, Ivan Gutman

Discret. Math., 2002

2001

Modeling Boiling Points of Cycloalkanes by Means of Iterated Line Graph Sequences.

Zeljko Tomoviç, Ivan Gutman

J. Chem. Inf. Comput. Sci., 2001

Quest for Molecular Graphs with Maximal Energy: A Computer Experiment.

Ivan Gutman, Dusica Vidovic

J. Chem. Inf. Comput. Sci., 2001

On Walks in Molecular Graphs.

Ivan Gutman, Christoph Rücker, Gerta Rücker

J. Chem. Inf. Comput. Sci., 2001

On the nullity of line graphs of trees.

Ivan Gutman, Irene Sciriha

Discret. Math., 2001

Binary Coding of Kekulé Structures of Catacondensed Benzenoid Hydrocarbons.

Sandi Klavzar, Aleksander Vesel, Petra Zigert, Ivan Gutman

Comput. Chem., 2001

Matchings in starlike trees.

Ivan Gutman, Oswaldo Araujo, Juan Rada

Appl. Math. Lett., 2001

2000

Relation between Distance-Based Topological Indices.

Ivan Gutman, Zeljko Tomoviç

J. Chem. Inf. Comput. Sci., 2000

The Multiplicative Version of the Wiener Index.

Ivan Gutman, Wolfgang Linert, István Lukovits, Zeljko Tomoviç

J. Chem. Inf. Comput. Sci., 2000

Bounds for the Randi Connectivity Index.

Ivan Gutman, Oswaldo Araujo, Daniel A. Morales

J. Chem. Inf. Comput. Sci., 2000

An Algorithm for the Calculation of the Hyper-Wiener Index of Benzenoid Hydrocarbons.

Sandi Klavzar, Petra Zigert, Ivan Gutman

Comput. Chem., 2000

1999

Spectral Moments of the Edge Adjacency Matrix in Molecular Graphs. Benzenoid Hydrocarbons.

Svetlana Markovic, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1999

Wiener-Number-Related Sequences.

Douglas J. Klein, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1999

The Average Wiener Index of Trees and Chemical Trees.

Andrey A. Dobrynin, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1999

Variable Neighborhood Search for Extremal Graphs. 2. Finding Graphs with Extremal Energy.

Gilles Caporossi, Drago Cvetkovi, Ivan Gutman, Pierre Hansen

J. Chem. Inf. Comput. Sci., 1999

The Average Wiener Index of Hexagonal Chains.

Andrey A. Dobrynin, Ivan Gutman

Comput. Chem., 1999

Variable Neighborhood Search for Extremal Graphs: IV: Chemical Trees with Extremal Connectivity Index.

Gilles Caporossi, Ivan Gutman, Pierre Hansen

Comput. Chem., 1999

1998

A Collective Property of Trees and Chemical Trees.

Mirko Lepovic, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1998

An Algorithm for Counting Spanning Trees in Labeled Molecular Graphs Homeomorphic to Cata-Condensed Systems.

P. E. John, Roger B. Mallion, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1998

Extension of Edge Connectivity Index. Relationships to Line Graph Indices and QSPR Applications.

Ernesto Estrada, Nicolais Guevara, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1998

Algebraic Connections between Topological Indices.

Onn Chan, Ivan Gutman, Tao-Kai Lam, Russell Merris

J. Chem. Inf. Comput. Sci., 1998

1997

Extension of the Z Matrix to Cycle-Containing and Edge-Weighted Molecular Graphs.

Dejan Plavsic, Milan Soskic, Zorislav Dakovic, Ivan Gutman, Ante Graovac

J. Chem. Inf. Comput. Sci., 1997

Wiener Numbers of Phenylenes: An Exact Result.

Ljiljana Pavlovic, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1997

Trees with Extremal Hyper-Wiener Index: Mathematical Basis and Chemical Applications.

Ivan Gutman, Wolfgang Linert, István Lukovits, Andrey A. Dobrynin

J. Chem. Inf. Comput. Sci., 1997

Bounds for the Schultz Molecular Topological Index of Benzenoid Systems in Terms of the Wiener Index.

Ivan Gutman, Sandi Klavzar

J. Chem. Inf. Comput. Sci., 1997

Detour-Cluj Matrix and Derived Invariants.

Mircea V. Diudea, Bazil Pârv, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1997

Wiener Number of Vertex-weighted Graphs and a Chemical Application.

Sandi Klavzar, Ivan Gutman

Discret. Appl. Math., 1997

1996

A New Recursion Relation for the Characteristic Polynomial of a Molecular Graph.

Vladimir R. Rosenfeld, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1996

On the Relation between the Path Numbers 1Z, 2Z and the Hosoya Z Index.

Dejan Plavsic, Milan Soskic, Irena Landeka, Ivan Gutman, Ante Graovac

J. Chem. Inf. Comput. Sci., 1996

A Comparison of the Schultz Molecular Topological Index with the Wiener Index.

Sandi Klavzar, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1996

The Quasi-Wiener and the Kirchhoff Indices Coincide.

Ivan Gutman, Bojan Mohar

J. Chem. Inf. Comput. Sci., 1996

Topological Indices Based on the Line Graph of the Molecular Graph.

Ivan Gutman, Ernesto Estrada

J. Chem. Inf. Comput. Sci., 1996

A Topological Index Based on Distances of Edges of Molecular Graphs.

Ernesto Estrada, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1996

On Matula numbers.

Ivan Gutman, Aleksandar Ivic

Discret. Math., 1996

Graph Transformations Which Preserve the Multiplicity of an Eigenvalue.

Yeong-Nan Yeh, Ivan Gutman, Chin-Mei Fu

Discret. Appl. Math., 1996

1995

On the Definition of the Hyper-Wiener Index for Cycle-Containing Structures.

Douglas J. Klein, István Lukovits, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1995

Labeling of Benzenoid Systems which Reflects the Vertex-Distance Relations.

Sandi Klavzar, Ivan Gutman, Bojan Mohar

J. Chem. Inf. Comput. Sci., 1995

The Szeged Index and an Analogy with the Wiener Index.

Padmakar V. Khadikar, Narayan V. Deshpande, Prabhakar P. Kale, Andrey A. Dobrynin, Ivan Gutman, Gyula Dömötör

J. Chem. Inf. Comput. Sci., 1995

An Algorithm for the Calculation of the Szeged Index of Benzenoid Hydrocarbons.

Ivan Gutman, Sandi Klavzar

J. Chem. Inf. Comput. Sci., 1995

Complementing the proof of the limit of relative atomic moments.

Ivan Gutman, Danail Bonchev, William A. Seitz, Ekaterina Gordeeva

J. Chem. Inf. Comput. Sci., 1995

A Unified Approach to the First Derivatives of Graph Polynomials.

Xueliang Li, Ivan Gutman

Discret. Appl. Math., 1995

1994

Spectral Moments of Polyacenes.

Padmakar V. Khadikar, Narayan V. Deshpande, Prabhakar P. Kale, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1994

Selected properties of the Schultz molecular topological index.

Ivan Gutman

J. Chem. Inf. Comput. Sci., 1994

Frequency of even and odd numbers in distance matrixes of bipartite graphs.

Ivan Gutman

J. Chem. Inf. Comput. Sci., 1994

Further Properties Derivable from the Matula Number of an Alkane.

Seymour B. Elk, Ivan Gutman

J. Chem. Inf. Comput. Sci., 1994

On the sum of all distances in composite graphs.

Yeong-Nan Yeh, Ivan Gutman

Discret. Math., 1994

Graphs with small numbers of independent edges.

Miroslav Petrovic, Ivan Gutman, Mirko Lepovic

Discret. Math., 1994

1990

New theorem for the wiener molecular branching index of trees with perfect matchings.

Ivan Gutman, D. H. Rouvray

Comput. Chem., 1990

1988

Spectral properties of some structurally related graphs.

Ivan Gutman, Ante Graovac, Oskar E. Polansky

Discret. Appl. Math., 1988

1986

On the ordering of graphs with respect to their matching numbers.

Ivan Gutman, Fuji Zhang

Discret. Appl. Math., 1986

Graphs and Graph Polynomials of interest in Chemistry.

Ivan Gutman

Proceedings of the Graphtheoretic Concepts in Computer Science, International Workshop, 1986

1981

On the theory of the matching polynomial.

Chris D. Godsil, Ivan Gutman

J. Graph Theory, 1981