More about 4-isosceles planar sets

被引:2
|
作者
Xu, CQ [1 ]
Ren, D
机构
[1] Shandong Univ, Dept Math, Jinan 250100, Peoples R China
[2] Hebei Normal Univ, Math Dept, Shijiazhuang 050016, Peoples R China
关键词
D O I
10.1007/s00454-003-0825-4
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
A finite planar set is k-isosceles for k greater than or equal to 3 if every k-point subset of the set contains a point equidistant from the other two. In [1] Fishburn obtains several important results about isosceles planar sets and poses a series of conjectures and open questions. We disprove Conjecture 1 in [1] and provide another 34 nonsimilar 4-isosceles 8-point planar sets which answer one of the open questions in [1] negatively.
引用
收藏
页码:655 / 663
页数:9
相关论文
共 50 条
  • [21] A Multivalued Approach to the Planar Isosceles Three Body Problem
    Cristina Chiralt
    Luis Marco
    José Martínez-Alfaro
    Set-Valued Analysis, 2008, 16 : 443 - 459
  • [22] On 5-isosceles sets in the plane, with linear restriction
    Lan W.
    Wei X.
    Ding R.
    Journal of Applied Mathematics and Computing, 2008, 28 (1-2) : 381 - 390
  • [23] A Multivalued Approach to the Planar Isosceles Three Body Problem
    Chiralt, Cristina
    Marco, Luis
    Martinez Alfaro, Jose
    SET-VALUED ANALYSIS, 2008, 16 (04): : 443 - 459
  • [24] Once more about the semipolar sets and regular excessive functions
    Beznea, L
    Boboc, N
    POTENTIAL THEORY - ICPT 94, 1996, : 255 - 274
  • [25] QUALITATIVE STUDY OF THE PLANAR ISOSCELES 3-BODY PROBLEM
    SIMO, C
    MARTINEZ, R
    CELESTIAL MECHANICS, 1987, 41 (1-4): : 179 - 251
  • [26] Order and chaos in the planar isosceles three-body problem
    Zare, K
    Chesley, S
    CHAOS, 1998, 8 (02) : 475 - 494
  • [27] On a Polya functional for rhombi, isosceles triangles, and thinning convex sets
    van den Berg, Michiel
    Ferone, Vincenzo
    Nitsch, Carlo
    Trombetti, Cristina
    REVISTA MATEMATICA IBEROAMERICANA, 2020, 36 (07) : 2091 - 2105
  • [28] More about the cofinality and the covering of the ideal of strong measure zero sets
    Cardona, Miguel A.
    Mejia, Diego A.
    ANNALS OF PURE AND APPLIED LOGIC, 2025, 176 (04)
  • [29] More about chiral symmetry restoration at finite temperature in the planar limit
    Narayanan, R.
    Neuberger, H.
    PHYSICS LETTERS B, 2007, 646 (04) : 202 - 207
  • [30] TAME AND CHAOTIC BEHAVIOR IN THE PLANAR ISOSCELES 3-BODY PROBLEM
    Diacu, Florin Nicolae
    CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY, 1990, 50 (04): : 313 - 324