Counterexamples to a monotonicity conjecture for the threshold pebbling number. - Johan Björklund; Cecilia Holmgren (Discret. Math., 2012)

Legendrian contact homology in the product of a punctured Riemann surface and the real line. - Johan Björklund (J. Lond. Math. Soc., 2016)

Approximation of subgraph counts in the uniform attachment model. - Johan Björklund; Cecilia Holmgren; Svante Janson; Tiffany Y. Y. Lo (Comb. Probab. Comput., 2025)