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Index ordering when using math symbols

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13

7

I'm making an index where certain entries start with the math symbols $k$, $mathcalC$, $ast$-a.... In the first two cases, I want them to appear in the index as if they start with k and c respectively. In the last case I want the index to ignore $ast$- and treat the word as if it begins with the letter a.

How might I go about doing that?

indexing sorting

share|improve this question

edited Aug 22 '12 at 13:31

Thorsten

9,86965663

asked Aug 22 '12 at 13:26

Eivind DahlEivind Dahl

385211

• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  indexk@$k$ and indexc@$mathcalC$
  
  – egreg
  Aug 22 '12 at 13:28
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @egreg: why don't you post this as an answer?
  
  – bodo
  Aug 22 '12 at 13:29
  

  
  
  
  

add a comment | 

13

7

I'm making an index where certain entries start with the math symbols $k$, $mathcalC$, $ast$-a.... In the first two cases, I want them to appear in the index as if they start with k and c respectively. In the last case I want the index to ignore $ast$- and treat the word as if it begins with the letter a.

How might I go about doing that?

indexing sorting

share|improve this question

edited Aug 22 '12 at 13:31

Thorsten

9,86965663

asked Aug 22 '12 at 13:26

Eivind DahlEivind Dahl

385211

• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  indexk@$k$ and indexc@$mathcalC$
  
  – egreg
  Aug 22 '12 at 13:28
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @egreg: why don't you post this as an answer?
  
  – bodo
  Aug 22 '12 at 13:29
  

  
  
  
  

add a comment | 

I'm making an index where certain entries start with the math symbols $k$, $mathcalC$, $ast$-a.... In the first two cases, I want them to appear in the index as if they start with k and c respectively. In the last case I want the index to ignore $ast$- and treat the word as if it begins with the letter a.

How might I go about doing that?

indexing sorting

share|improve this question

edited Aug 22 '12 at 13:31

Thorsten

9,86965663

asked Aug 22 '12 at 13:26

Eivind DahlEivind Dahl

385211

share|improve this question

edited Aug 22 '12 at 13:31

Thorsten

9,86965663

asked Aug 22 '12 at 13:26

Eivind DahlEivind Dahl

385211

share|improve this question

edited Aug 22 '12 at 13:31

Thorsten

9,86965663

asked Aug 22 '12 at 13:26

Eivind DahlEivind Dahl

385211

edited Aug 22 '12 at 13:31

Thorsten

9,86965663

edited Aug 22 '12 at 13:31

Thorsten

9,86965663

asked Aug 22 '12 at 13:26

Eivind DahlEivind Dahl

385211

asked Aug 22 '12 at 13:26

Eivind DahlEivind Dahl

385211

1 Answer
1

active

oldest

votes

18

you need to give these entries a sort field. you've actually chosen the easiest approach, sorting them in with the alphabetic entries. egreg has provided good examples for the first two:

indexk@$k$ and indexc@$mathcalC$

my suggestion for the * is

indexa sterisk@$ast$

including a space after the a to make sure it sorts at the beginning.

i've been compiling a set of notes on how to prepare a "clean" index, presenting tactics for avoiding all the problems i've seen in my experience as author technical support for the ams; when it's ready for general consumption, it will be posted on the ams web site for general reference, and i'll update this answer with a link.

Addendum:

(1) Regarding the index sort: Remember that the sorting is parallel at each level, so if a symbol is subsidiary to another entry, a sort field needs to be provided at the relevant level. Say you have this two-level entry with multiple sub-entries at the second level:

Entry

  First sub-entry

  Omega (the symbol)

Assuming you want the sub-entries in alphabetical order, you should enter the second sub-entry as

indexEntry!Omega@$Omega$

otherwise it will be sorted before the first sub-entry.

The same principle applies at the third level, if your index entries are nested that deeply.

(2) Between the time of the original answer and this addendum, I have retired, and there is no longer any question that an answer might be the "official" position of my employer. Hence any posting by me will now be in "proper" upper- and lowercase.

There is another consequence implied here. The notes I was compiling on preparing a "clean" index weren't completed before I left AMS. I do intend to complete them, but it's not certain that they will be posted on the AMS web site. They will, however, be posted to CTAN and I'll give a link when this happens.

share|improve this answer

edited 2 mins ago

answered Aug 22 '12 at 13:36

barbara beetonbarbara beeton

70.1k9159380

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Makeindex knows a section for symbols before the letter A. Therefore I would start the sort key with a symbol, if the symbols should be sorted in the symbol section: index$asterisk@$ast$, index$colon@:, …
  
  – Heiko Oberdiek
  Aug 22 '12 at 13:52
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  Were the notes ever published?
  
  – Yiannis Lazarides
  Jun 26 '15 at 7:20
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @YiannisLazarides -- sadly, it's still on my "to do" list, er, pushdown stack. it'll come to the surface sometime, but right now, i can't predict when.
  
  – barbara beeton
  Jun 26 '15 at 12:25
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @barbarabeeton Will be looking forward to it :)
  
  – Eivind Dahl
  Jun 26 '15 at 12:35
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @EivindDahl -- still working; new developments in the glossaries area have caused me to rethink this area. (please keep nagging.)
  
  – barbara beeton
  Jun 1 '18 at 12:47
  

  
  
  
  

 | 
show 12 more comments

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18

you need to give these entries a sort field. you've actually chosen the easiest approach, sorting them in with the alphabetic entries. egreg has provided good examples for the first two:

indexk@$k$ and indexc@$mathcalC$

my suggestion for the * is

indexa sterisk@$ast$

including a space after the a to make sure it sorts at the beginning.

i've been compiling a set of notes on how to prepare a "clean" index, presenting tactics for avoiding all the problems i've seen in my experience as author technical support for the ams; when it's ready for general consumption, it will be posted on the ams web site for general reference, and i'll update this answer with a link.

Addendum:

(1) Regarding the index sort: Remember that the sorting is parallel at each level, so if a symbol is subsidiary to another entry, a sort field needs to be provided at the relevant level. Say you have this two-level entry with multiple sub-entries at the second level:

Entry

  First sub-entry

  Omega (the symbol)

Assuming you want the sub-entries in alphabetical order, you should enter the second sub-entry as

indexEntry!Omega@$Omega$

otherwise it will be sorted before the first sub-entry.

The same principle applies at the third level, if your index entries are nested that deeply.

(2) Between the time of the original answer and this addendum, I have retired, and there is no longer any question that an answer might be the "official" position of my employer. Hence any posting by me will now be in "proper" upper- and lowercase.

There is another consequence implied here. The notes I was compiling on preparing a "clean" index weren't completed before I left AMS. I do intend to complete them, but it's not certain that they will be posted on the AMS web site. They will, however, be posted to CTAN and I'll give a link when this happens.

share|improve this answer

edited 2 mins ago

answered Aug 22 '12 at 13:36

barbara beetonbarbara beeton

70.1k9159380

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Makeindex knows a section for symbols before the letter A. Therefore I would start the sort key with a symbol, if the symbols should be sorted in the symbol section: index$asterisk@$ast$, index$colon@:, …
  
  – Heiko Oberdiek
  Aug 22 '12 at 13:52
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  Were the notes ever published?
  
  – Yiannis Lazarides
  Jun 26 '15 at 7:20
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @YiannisLazarides -- sadly, it's still on my "to do" list, er, pushdown stack. it'll come to the surface sometime, but right now, i can't predict when.
  
  – barbara beeton
  Jun 26 '15 at 12:25
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @barbarabeeton Will be looking forward to it :)
  
  – Eivind Dahl
  Jun 26 '15 at 12:35
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @EivindDahl -- still working; new developments in the glossaries area have caused me to rethink this area. (please keep nagging.)
  
  – barbara beeton
  Jun 1 '18 at 12:47
  

  
  
  
  

 | 
show 12 more comments

18

you need to give these entries a sort field. you've actually chosen the easiest approach, sorting them in with the alphabetic entries. egreg has provided good examples for the first two:

indexk@$k$ and indexc@$mathcalC$

my suggestion for the * is

indexa sterisk@$ast$

including a space after the a to make sure it sorts at the beginning.

i've been compiling a set of notes on how to prepare a "clean" index, presenting tactics for avoiding all the problems i've seen in my experience as author technical support for the ams; when it's ready for general consumption, it will be posted on the ams web site for general reference, and i'll update this answer with a link.

Addendum:

(1) Regarding the index sort: Remember that the sorting is parallel at each level, so if a symbol is subsidiary to another entry, a sort field needs to be provided at the relevant level. Say you have this two-level entry with multiple sub-entries at the second level:

Entry

  First sub-entry

  Omega (the symbol)

Assuming you want the sub-entries in alphabetical order, you should enter the second sub-entry as

indexEntry!Omega@$Omega$

otherwise it will be sorted before the first sub-entry.

The same principle applies at the third level, if your index entries are nested that deeply.

(2) Between the time of the original answer and this addendum, I have retired, and there is no longer any question that an answer might be the "official" position of my employer. Hence any posting by me will now be in "proper" upper- and lowercase.

There is another consequence implied here. The notes I was compiling on preparing a "clean" index weren't completed before I left AMS. I do intend to complete them, but it's not certain that they will be posted on the AMS web site. They will, however, be posted to CTAN and I'll give a link when this happens.

share|improve this answer

edited 2 mins ago

answered Aug 22 '12 at 13:36

barbara beetonbarbara beeton

70.1k9159380

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Makeindex knows a section for symbols before the letter A. Therefore I would start the sort key with a symbol, if the symbols should be sorted in the symbol section: index$asterisk@$ast$, index$colon@:, …
  
  – Heiko Oberdiek
  Aug 22 '12 at 13:52
  

  
  
  
  


• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  Were the notes ever published?
  
  – Yiannis Lazarides
  Jun 26 '15 at 7:20
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @YiannisLazarides -- sadly, it's still on my "to do" list, er, pushdown stack. it'll come to the surface sometime, but right now, i can't predict when.
  
  – barbara beeton
  Jun 26 '15 at 12:25
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @barbarabeeton Will be looking forward to it :)
  
  – Eivind Dahl
  Jun 26 '15 at 12:35
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @EivindDahl -- still working; new developments in the glossaries area have caused me to rethink this area. (please keep nagging.)
  
  – barbara beeton
  Jun 1 '18 at 12:47
  

  
  
  
  

 | 
show 12 more comments

you need to give these entries a sort field. you've actually chosen the easiest approach, sorting them in with the alphabetic entries. egreg has provided good examples for the first two:

indexk@$k$ and indexc@$mathcalC$

my suggestion for the * is

indexa sterisk@$ast$

including a space after the a to make sure it sorts at the beginning.

i've been compiling a set of notes on how to prepare a "clean" index, presenting tactics for avoiding all the problems i've seen in my experience as author technical support for the ams; when it's ready for general consumption, it will be posted on the ams web site for general reference, and i'll update this answer with a link.

Addendum:

(1) Regarding the index sort: Remember that the sorting is parallel at each level, so if a symbol is subsidiary to another entry, a sort field needs to be provided at the relevant level. Say you have this two-level entry with multiple sub-entries at the second level:

Entry

  First sub-entry

  Omega (the symbol)

Assuming you want the sub-entries in alphabetical order, you should enter the second sub-entry as

indexEntry!Omega@$Omega$

otherwise it will be sorted before the first sub-entry.

The same principle applies at the third level, if your index entries are nested that deeply.

(2) Between the time of the original answer and this addendum, I have retired, and there is no longer any question that an answer might be the "official" position of my employer. Hence any posting by me will now be in "proper" upper- and lowercase.

There is another consequence implied here. The notes I was compiling on preparing a "clean" index weren't completed before I left AMS. I do intend to complete them, but it's not certain that they will be posted on the AMS web site. They will, however, be posted to CTAN and I'll give a link when this happens.

share|improve this answer

edited 2 mins ago

answered Aug 22 '12 at 13:36

barbara beetonbarbara beeton

70.1k9159380

indexEntry!Omega@$Omega$

share|improve this answer

edited 2 mins ago

answered Aug 22 '12 at 13:36

barbara beetonbarbara beeton

70.1k9159380

answered Aug 22 '12 at 13:36

barbara beetonbarbara beeton

70.1k9159380

answered Aug 22 '12 at 13:36

barbara beetonbarbara beeton

70.1k9159380