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2. Necklace (combinatorics) - Wikipedia

   en.wikipedia.org/wiki/Necklace_(combinatorics)

   For this reason, a necklace might also be called a fixed necklace to distinguish it from a turnover necklace. Formally, one may represent a necklace as an orbit of the cyclic group acting on n -character strings over an alphabet of size k , and a bracelet as an orbit of the dihedral group .

3. Necklace problem - Wikipedia

   en.wikipedia.org/wiki/Necklace_problem

   The information specifies how many copies the necklace contains of each possible arrangement of black beads. For instance, for k = 2 {\displaystyle k=2} , the specified information gives the number of pairs of black beads that are separated by i {\displaystyle i} positions, for i = 0 , … , ⌊ n / 2 − 1 ⌋ {\displaystyle i=0,\dots ,\lfloor ...

4. Necklace splitting problem - Wikipedia

   en.wikipedia.org/wiki/Necklace_splitting_problem

   Example of necklace splitting with k = 2 (i.e. two partners), and t = 2 (i.e. two types of beads, here 8 red and 6 green). A 2-split is shown: one partner receives the largest section, and the other receives the remaining two pieces. Necklace splitting is a picturesque name given to several related problems in combinatorics and measure theory.

5. 10 Hard Math Problems That Even the Smartest People in the ...

   www.aol.com/10-hard-math-problems-even-150000090...

   Goldbach’s Conjecture. One of the greatest unsolved mysteries in math is also very easy to write. Goldbach’s Conjecture is, “Every even number (greater than two) is the sum of two primes ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Biden pushes new Russia, Iran, Korea, China effort before ...

   www.aol.com/news/biden-pushes-russia-iran-korea...

   President Joe Biden is pushing U.S. national security agencies ahead of Donald Trump's inauguration to devise new strategies to tackle the risky, deepening ties among Russia, Iran, North Korea and ...

8. Necklace polynomial - Wikipedia

   en.wikipedia.org/wiki/Necklace_polynomial

   Unlike the usual problem of graph coloring, the necklaces are assumed to be aperiodic (not consisting of repeated subsequences), and counted up to rotation (rotating the beads around the necklace counts as the same necklace), but without flipping over (reversing the order of the beads counts as a different necklace). This counting function also ...

9. This Is The Optimal Time To Go On A Walk, According To ...

   www.aol.com/lifestyle/optimal-time-walk...

   Experts explain the best time of day to go on a walk, depending on your goals from weight loss to digestion. There are benefits for morning, afternoon, and evening walks.