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  2. Ch (digraph) - Wikipedia

    en.wikipedia.org/wiki/Ch_(digraph)

    In Catalan ch represents final sound. In the past it was widely used, but nowadays it is only present in some surnames (e.g. Domènech, Albiach). In medieval Catalan it was occasionally used to represent sound. In native French words, ch represents [ʃ] as in chanson (song).

  3. Total coloring - Wikipedia

    en.wikipedia.org/wiki/Total_coloring

    A trivial lower bound for χ″(G) is Δ(G) + 1. Some graphs such as cycles of length and complete bipartite graphs of the form K n,n need Δ(G) + 2 colors but no graph has been found that requires more colors. This leads to the speculation that every graph needs either Δ(G) + 1 or Δ(G) + 2 colors, but never more: Total coloring conjecture ...

  4. Coloring book - Wikipedia

    en.wikipedia.org/wiki/Coloring_book

    A coloring book (British English: colouring-in book, colouring book, or colouring page) is a type of book containing line art to which people are intended to add color using crayons, colored pencils, marker pens, paint or other artistic media. Traditional coloring books and coloring pages are printed on paper or card.

  5. List coloring - Wikipedia

    en.wikipedia.org/wiki/List_coloring

    For a graph G, let χ(G) denote the chromatic number and Δ(G) the maximum degree of G.The list coloring number ch(G) satisfies the following properties.. ch(G) ≥ χ(G).A k-list-colorable graph must in particular have a list coloring when every vertex is assigned the same list of k colors, which corresponds to a usual k-coloring.

  6. AOL Mail

    mail.aol.com/?icid=aol.com-nav

    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. Voiceless postalveolar affricate - Wikipedia

    en.wikipedia.org/wiki/Voiceless_postalveolar...

    The voiceless palato-alveolar sibilant affricate or voiceless domed postalveolar sibilant affricate is a type of consonantal sound used in some spoken languages.The sound is transcribed in the International Phonetic Alphabet with t͡ʃ , t͜ʃ tʃ (formerly the ligature ʧ ), or, in broad transcription, c .

  8. Pinyin table - Wikipedia

    en.wikipedia.org/wiki/Pinyin_table

    Final is in Group a or is a direct combination of: i+Group a final; u+Group a final; ü+Group a final; Final of i, u, ü group is a modified combination of: i+Group a final; u+Group a final; ü+Group a final; syllable is direct combination of initial and final (or follows rules for no-initial syllables outlined at the top of the page)

  9. Words in Colour - Wikipedia

    en.wikipedia.org/wiki/Words_in_Colour

    Words in Colour is an approach to literacy invented by Caleb Gattegno. [1] Words in Colour first appeared in 1962, published simultaneously in the UK and US. Later versions were published in French ( French : Lecture en Couleurs ) and Spanish ( Spanish : Letras en Color ).