Some Hamiltonian Properties of Products of Digraphs. - Martin Sonntag (J. Inf. Process. Cybern., 1985)

Some Results on Hamiltonian Properties of Products of Digraphs I. t-Hamiltonian Properties and Strong Path-Connectedness. - Martin Sonntag (J. Inf. Process. Cybern., 1987)

Some Results on Hamitonian Properties of Products of Digraphs II. Pancyclicity Properties. - Martin Sonntag (J. Inf. Process. Cybern., 1987)

Hamiltonian Properties of the Cartesian Sum of Hypergraphs. - Martin Sonntag (J. Inf. Process. Cybern., 1989)

Hamiltonicity of the Normal Product of Hypergraphs. - Martin Sonntag (J. Inf. Process. Cybern., 1990)

Hamiltonicity and Traceability of the Lexicographic Product of Hypergraphs. - Martin Sonntag (J. Inf. Process. Cybern., 1991)

Corrigendum to: "Hamiltonicity of the Normal Product of Hypergraphs" in: J. Inform. Process. Cybernet. EIK26(1990) 7, 415-433. - Martin Sonntag (J. Inf. Process. Cybern., 1991)

Hamiltonicity of the Disjunction of Two Hypergraphs. - Martin Sonntag (J. Inf. Process. Cybern., 1993)

Reno: a component-based user interface. - Randy Kerr; Mike Markley; Martin Sonntag; Tandy Trower (CHI 95 Conference Companion, 1995)

Sum numbers of hypertrees. - Martin Sonntag; Hanns-Martin Teichert (Discret. Math., 2000)

On the sum number and integral sum number of hypertrees and complete hypergraphs. - Martin Sonntag; Hanns-Martin Teichert (Discret. Math., 2001)

Antimagic vertex labelings of hypergraphs. - Martin Sonntag (Discret. Math., 2002)

Difference labelling of cacti. - Martin Sonntag (Discuss. Math. Graph Theory, 2003)

Competition hypergraphs. - Martin Sonntag; Hanns-Martin Teichert (Discret. Appl. Math., 2004)

Difference labelling of digraphs. - Martin Sonntag (Discuss. Math. Graph Theory, 2004)

A characterization of hypercacti. - Martin Sonntag (Discret. Math., 2007)

Competition hypergraphs of digraphs with certain properties I. Strong connectedness. - Martin Sonntag; Hanns-Martin Teichert (Discuss. Math. Graph Theory, 2008)

Competition hypergraphs of digraphs with certain properties II. Hamiltonicity. - Martin Sonntag; Hanns-Martin Teichert (Discuss. Math. Graph Theory, 2008)

Competition Hypergraphs of Products of Digraphs. - Martin Sonntag; Hanns-Martin Teichert (Graphs Comb., 2009)

Structural Properties and Hamiltonicity of Neighborhood Graphs. - Ingo Schiermeyer; Martin Sonntag; Hanns-Martin Teichert (Graphs Comb., 2010)

Iterated neighborhood graphs. - Martin Sonntag; Hanns-Martin Teichert (Discuss. Math. Graph Theory, 2012)

Neighborhood structures and products of undirected graphs. - Martin Sonntag; Hanns-Martin Teichert (Discret. Math., 2013)

Some Results on Exclusive Sum Labelings of Hypergraphs. - Martin Sonntag; Hanns-Martin Teichert (Graphs Comb., 2015)

Niche hypergraphs. - Christian Garske; Martin Sonntag; Hanns-Martin Teichert (Discuss. Math. Graph Theory, 2016)

Product of digraphs and their competition graphs. - Martin Sonntag; Hanns-Martin Teichert (Discuss. Math. Graph Theory, 2016)

Niche hypergraphs of products of digraphs. - Martin Sonntag; Hanns-Martin Teichert (Discuss. Math. Graph Theory, 2020)

AI-based Conversational Agents for Customer Service - A Study of Customer Service Representative' Perceptions Using TAM 2. - Martin Sonntag; Jens Mehmann; Frank Teuteberg (Wirtschaftsinformatik, 2022)

Trust-Supporting Design Elements as Signals for AI-Based Chatbots in Customer Service: A Behavior-Based Explanatory Model. - Martin Sonntag; Jens Mehmann; Frank Teuteberg (Int. J. Serv. Sci. Manag. Eng. Technol., 2023)

Deriving Trust-Supporting Design Knowledge for AI-Based Chatbots in Customer Service: A Use Case From the Automotive Industry. - Martin Sonntag; Jens Mehmann; Frank Teuteberg (J. Organ. Comput. Electron. Commer., 2023)

Edge intersection hypergraphs. - Martin Sonntag; Hanns-Martin Teichert (Discuss. Math. Graph Theory, 2024)

Development and Evaluation of a Maturity Model for AI Deployment Capability of Manufacturing Companies. - Martin Sonntag; Sebastian Mehmann; Jens Mehmann; Frank Teuteberg (Inf. Syst. Manag., 2024)

AI-Based Chatbots in Customer Service: A Task-Technology Fit (TTF) Model. - Martin Sonntag; Jens Mehmann; Frank Teuteberg (Int. J. Serv. Sci. Manag. Eng. Technol., 2025)

Customer Service Ethics in the Metaverse: A Value-Sensitive Design Science Approach. - Martin Sonntag; Julian Schuir; Jens Mehmann; Frank Teuteberg (Int. J. Hum. Comput. Interact., 2025)