## Volume 80 Parts 1, 2 and 3 (2021)

#### Part 1

- Hans van Ditmarsch, David Fernández Duque, Vaishnavi Sundararajan and SP. Suresh
- W.H.W. Wong and E.G. Tay
- Grahame Erskine, Peter Fratrič and Jozef Širáň
- Tianbing Xia, Guoxin Zuo, Mingyuan Xia and Liantang Lou
- R. Lakshmi and T. Poovaragavan
- Terry A. McKee
- Maidoun Mortada, Amine El Sahili and Mouhamad El Joubbeh
- About paths with three blocks, pp.99–105

- Sergi Elizalde
- Anthony B. Evans
- Paul Drube
- Rebecca Patrias and Oliver Pechenik
- Path-cordial abelian groups, pp.157–166

#### Part 2

- P. Devi Priya and S. Monikandan
- Reconstruction of 2-connected parity graphs, pp.167–177

- Gloria Rinaldi
- Danny Dyer, Jared Howell and Brittany Pittman
- The watchman's walk problem on directed graphs, pp.197–216

- F. Aguiló, M.A. Fiol and S. Pérez
- Ryan C. Bunge, Brian D. Darrow, Jr., Saad I. El-Zanati, Kimberly P. Hadaway, Megan K. Pryor, Alexander J. Romer, Alexandra Squires and Anna C. Stover
- Salvatore Milici
- Fiorenza Morini and Marco Antonio Pellegrini
#### Part 3

- Yanxun Chang, Peter J. Dukes and Tao Feng
- Leaves for packings with block size four, pp.281–304

- L.K. Mork, Keith Sullivan, Trenton Vogt and Darin J. Ulness
- Giulio Cerbai
- Laura Chávez-Lomelí, Criel Merino, Guadalupe Rodríguez Sánchez and Geoffrey Whittle
- A new polynomial for polymatroids, pp.342–360

- Joshua Carlson, Robin Eagleton, Jesse Geneson, John Petrucci, Carolyn Reinhart and Preetul Sen
- The damage throttling number of a graph, pp.361–385

- Yehong Shao and Huiya Yan
- On $s$-fully cycle extendable line graphs, pp.386–400

- Brandon Du Preez
- Plane graphs with large faces and small diameter, pp.401–418

- Hemanshu Kaul, Jeffrey A. Mudrock and Michael J. Pelsmajer
- On equitable list arboricity of graphs, pp.419–441

- Teresa W. Haynes, Jason T. Hedetniemi, Stephen T. Hedetniemi, Alice A. McRae and Raghuveer Mohan
- Upper bounds on the coalition number, pp.442–453