Novel Recurrence Relations for Volumes and Surfaces of N-Balls, Regular N-Simplices, and N-Orthoplices in Integer Dimensions

Szymon Łukaszyk

doi:10.20944/preprints202204.0263.v1

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preprints.org > computer science and mathematics > geometry and topology > doi: 10.20944/preprints202204.0263.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Novel Recurrence Relations for Volumes and Surfaces of N-Balls, Regular N-Simplices, and N-Orthoplices in Integer Dimensions

Szymon Łukaszyk

Version 1 : Received: 26 April 2022 / Approved: 27 April 2022 / Online: 27 April 2022 (14:19:49 CEST)
Version 2 : Received: 3 May 2022 / Approved: 5 May 2022 / Online: 5 May 2022 (10:21:33 CEST)
Version 3 : Received: 6 May 2022 / Approved: 9 May 2022 / Online: 9 May 2022 (09:39:25 CEST)
Version 4 : Received: 19 May 2022 / Approved: 20 May 2022 / Online: 20 May 2022 (09:09:43 CEST)
Version 5 : Received: 24 May 2022 / Approved: 25 May 2022 / Online: 25 May 2022 (09:54:32 CEST)
Version 6 : Received: 25 May 2022 / Approved: 26 May 2022 / Online: 26 May 2022 (08:54:38 CEST)
Version 7 : Received: 28 May 2022 / Approved: 30 May 2022 / Online: 30 May 2022 (11:28:08 CEST)
Version 8 : Received: 1 June 2022 / Approved: 1 June 2022 / Online: 1 June 2022 (09:43:58 CEST)
Version 9 : Received: 7 June 2022 / Approved: 8 June 2022 / Online: 8 June 2022 (12:29:03 CEST)
Version 10 : Received: 10 June 2022 / Approved: 10 June 2022 / Online: 10 June 2022 (16:13:45 CEST)
Version 11 : Received: 14 June 2022 / Approved: 16 June 2022 / Online: 16 June 2022 (10:39:40 CEST)
Version 12 : Received: 18 June 2022 / Approved: 20 June 2022 / Online: 20 June 2022 (09:40:53 CEST)
Version 13 : Received: 23 June 2022 / Approved: 27 June 2022 / Online: 27 June 2022 (11:17:06 CEST)

A peer-reviewed article of this Preprint also exists.

Łukaszyk, S. Novel Recurrence Relations for Volumes and Surfaces of n-Balls, Regular n-Simplices, and n-Orthoplices in Real Dimensions. Mathematics 2022, 10, 2212. Łukaszyk, S. Novel Recurrence Relations for Volumes and Surfaces of n-Balls, Regular n-Simplices, and n-Orthoplices in Real Dimensions. Mathematics 2022, 10, 2212.

Abstract

New recurrence relations for n-balls, regular n-simplices, and n-orthoplices in integer dimensions are submitted. They remove indefiniteness present in known formulas. In negative, integer dimensions volumes of n-balls are zero if n is even, positive if n = -4k - 1, and negative if n = -4k - 3, for natural k. Volumes and surfaces of n-cubes inscribed in n-balls in negative dimensions are complex, wherein for negative, integer dimensions they are associated with integral powers of the imaginary unit. The relations show that the constant of π is absent in 0 and 1 integer dimensions. It is shown that self-dual n-simplices are undefined for n < -1, while n-orthoplices reduce to the empty set for n ≤ -1. Out of three regular, convex polytopes (and n-balls) present in all non-negative dimensions, only n-orthoplices, n-cubes and n-balls are defined in negative dimensions.

Keywords

regular; convex polytopes; negative dimensional spectra

Subject

Computer Science and Mathematics, Geometry and Topology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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