Daxin Zhu

Oct 21, 2024 | mdpi.com | Hongwei Wang |Huilai Zhi |Yinan Li |Daxin Zhu

1. IntroductionIn daily life, due to various types of reasons, it may be very difficult to describe our target with complete certainty. Missing data are inevitable or even acceptable in many situations. At present, incomplete formal contexts have been widely used in characterizing incomplete information systems [1,2,3]. Intuitively, incomplete formal contexts extend classical formal contexts by introducing the uncertain parts.

Sep 27, 2024 | mdpi.com | Taisheng Zeng |Yinan Li |Daxin Zhu |Huilai Zhi

1. IntroductionRussian Roulette is a cruel gambling game. In Russian Roulette, players usually choose to put into a gun no bullets, or one or two bullets, rather than three or more. In other words, participants only have three options: no bullets, one bullet, or two bullets, i.e., three choices. The concepts and methods derived from Russian Roulette have been used in various types of scientific studies for decades.