Robuta

https://arxiv.org/abs/2003.10859 [2003.10859] Photon surfaces as pure tension shells: Uniqueness of thin shell wormholes Abstract page for arXiv paper 2003.10859: Photon surfaces as pure tension shells: Uniqueness of thin shell wormholes https://arxiv.org/abs/2002.10859 [2002.10859] Well-partitioned chordal graphs: obstruction set and disjoint paths Abstract page for arXiv paper 2002.10859: Well-partitioned chordal graphs: obstruction set and disjoint paths obstruction set200210859wellpartitioned