File:Brunnian-4loops.svg
Jump to navigation
Jump to search
Size of this PNG preview of this SVG file: 588 × 600 pixels. Other resolutions: 235 × 240 pixels | 470 × 480 pixels | 753 × 768 pixels | 1,004 × 1,024 pixels | 2,007 × 2,048 pixels.
Original file (SVG file, nominally 588 × 600 pixels, file size: 2 KB)
Summary
| Description | 4-loop Brunnian link — no two loops are directly linked, but all four are collectively linked, and cutting any loop frees all the other loops. |
| Date | |
| Source |
Redrawn version of illustration in Hermann Brunn's 1892 article "Über Verkettung", by way of Dale Rolfsen's 1976 book Knots and Links (p. 67). SVG version of Image:Brunnian.png . Converted from the following PostScript code: %!
.1 dup scale
105 setlinewidth/c{rcurveto}def/m{moveto}def/l{rlineto}def/x
{gsave 135 setlinewidth 0 setgray stroke grestore stroke}def
0 .6 0 setrgbcolor
4000 3960 m
0 276.14 -447.72 500 -1000 500 c
-552.28 0 -1000 -223.86 -1000 -500 c
0 -276.14 447.72 -500 1000 -500 c
552.28 0 1000 223.86 1000 500 c closepath x
0 0 1 setrgbcolor
2787.38 5338.86 m
121.9 121.9 287.23 190.38 459.62 190.38 c
130 0 l
172.39 0 337.72 -68.48 459.62 -190.38 c
919.24 -919.24 l
121.9 -121.9 190.38 -287.23 190.38 -459.62 c
0 -172.39 -68.48 -337.72 -190.38 -459.62 c
-919.24 -919.24 l
-121.9 -121.9 -287.23 -190.38 -459.62 -190.38 c
-130 0 l
-172.39 0 -337.72 68.48 -459.62 190.38 c
-1206.5 1206.5 l
-45.71 45.71 -71.39 107.71 -71.39 172.36 c
0 64.65 25.68 126.65 71.39 172.36 c closepath x
1 0 0 setrgbcolor
2163.38 5338.86 m
121.9 121.9 287.23 190.38 459.62 190.38 c
130 0 l
172.39 0 337.72 -68.48 459.62 -190.38 c
1206.5 -1206.5 l
45.71 -45.71 71.39 -107.71 71.39 -172.36 c
0 -64.65 -25.68 -126.65 -71.39 -172.36 c
-1206.5 -1206.5 l
-121.9 -121.9 -287.23 -190.38 -459.62 -190.38 c
-130 0 l
-172.39 0 -337.72 68.48 -459.62 190.38 c
-919.24 919.24 l
-121.9 121.9 -190.38 287.23 -190.38 459.62 c
0 172.39 68.48 337.72 190.38 459.62 c closepath x
1 1 0 setrgbcolor
3690 5260 m
0 381.08 -308.92 690 -690 690 c
-381.08 0 -690 -308.92 -690 -690 c
0 -2600 l
0 -381.08 308.92 -690 690 -690 c
381.08 0 690 308.92 690 690 c closepath x
135 setlinewidth 0 setgray
2000.15 3951.27 m
9.52 -272.7 454.37 -491.27 999.85 -491.27 c
545.48 0 990.33 218.57 999.85 491.27 c stroke
105 setlinewidth 0 .6 0 setrgbcolor
2000 3960 m
0 -276.14 447.72 -500 1000 -500 c
552.28 0 1000 223.86 1000 500 c stroke
135 setlinewidth 0 setgray
3388.34 5529.14 m
164.52 -2.87 321.82 -68.03 440.18 -182.33 c stroke
3828.53 2573.19 m
-118.36 -114.3 -275.67 -179.46 -440.18 -182.33 c stroke
1881.14 4432.62 m 624 624 l stroke
1881.14 3487.38 m 624 -624 l stroke
105 setlinewidth 0 0 1 setrgbcolor
3377 5529.24 m
172.39 0 337.72 -68.48 459.62 -190.38 c stroke
3836.62 2581.14 m
-121.9 -121.9 -287.23 -190.38 -459.62 -190.38 c stroke
1868.14 4419.62 m 650 650 l stroke
1868.14 3500.38 m 650 -650 l stroke
showpage
%EOF |
| Author | AnonMoos |
| SVG development |
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:30, 11 April 2013 | | 588 × 600 (2 KB) | wikimediacommons>AnonMoos | simplify, slightly adjust margins |
File usage
The following page uses this file:
