# Questions tagged [canonicalization]

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### How to get all necklaces without the full permutations' set?

There are previous posts, such as Delete duplicates from list of lists as if on a necklace, that give a way to find all necklaces from a set of lists. The methods presented there work well for a small ...
• 65
81 views

### Non-linear equation

I have to solve this equation but the problem is X is function of x it means X[x] $$X(X-a)+ b e^{-2 X t}=B,$$ a,b,B are constants. How we can I get some result for ...
1 vote
136 views

### How to put numerator and denominator in a canonical form?

I have the following expression that I obtained after some computation: ...
79 views

### Simplifying expression using pattern matching inside Assuming[]

I want to simplify a sum of terms that look like so: ...
• 1,534
472 views

### How can I get the unique solution?

The eight queens puzzle has 92 distinct solutions. If solutions that differ only by the symmetry operations of rotation and reflection of the board are counted as one, the puzzle has 12 solutions. My ...
• 6,996
2k views

### Delete duplicates from list of lists as if on a necklace

Given a list of lists of integers, all of the same length, I want to regard two elements as equivalent if one is the rotated and/or reflected version of another (that is, if the two lists are the same ...
• 4,209
217 views

### How to remove symmetries from this list?

First of all, I work with modular arithmetics and the elements of the arithmetics are lists themselves. I recognize two kinds of symmetries - shift and mirroring. We could define shift of a list like ...
• 325
1k views

### Normal ordering in Mathematica

I want to create a function which normally orders a string of field operators. Consider the following: \langle0\vert\hat{a}(k_n) \cdots \hat{a}(k_2)\hat{a}(k_1)\hat{a}^\dagger(k_1)\hat{a}^\dagger(...
• 977
121 views

### How to canonically reorganize a list using only a limited set of manipulations?

I want to canonically reorganize (like Sort) a sequence of four objects seq[a,b,c,d], but the only manipulations allowed are <...
• 19.6k