Acta mathematica scientia,Series B ›› 2025, Vol. 45 ›› Issue (1): 237-256.doi: 10.1007/s10473-025-0119-5

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ARCHIMEDES' PRINCIPLE OF FLOTATION AND FLOATING BODIES: CONSTRUCTION, EXTENSIONS AND RELATED PROBLEMS

Chunyan Liu1, Elisabeth M. Werner2, Deping Ye3, Ning Zhang4   

  1. 1. School of Mathematics and Computer Science, Wuhan Polytechnic University, Wuhan 430048, China;
    2. Department of Mathematics, Case Western Reserve University, Cleveland, OH 44106, USA;
    3. Department of Mathematics and Statistics, Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1C 5S7;
    4. School of Mathematics and Statistics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
  • Received:2024-09-22 Revised:2024-10-26 Published:2025-02-06
  • About author:Chunyan Liu, E-mail,: chunyanliu@whpu.edu.cn; Elisabeth M. Werner, E-mail,: elisabeth.werner@case.edu; Deping Ye, E-mail,: deping.ye@mun.ca; Ning Zhang, E-mail,: nzhang2@hust.edu.cn
  • Supported by:
    Chunyan Liu's work was supported by the Research Funding of Wuhan Polytechnic University (2024RZ083). Elisabeth M. Werner's work was supported by the NSF grant DMS-2103482. Deping Ye's work was supported by an NSERC grant, Canada. Ning Zhang's work was supported by the NSF of China (11901217, 11971005).

Abstract: In this article, we explain how the famous Archimedes' principle of flotation can be used to construct various floating bodies. We survey some of the most important results regarding the floating bodies, including their relations with affine surface area and projection body, their extensions in different settings such as space forms and log-concave functions, and mention some associated open problems.

Key words: floating body, affine surface area, log-concave functions

CLC Number: 

  • 52A20
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