You Can't Paint Yourself into a Corner

نویسنده

  • Michael O. Albertson
چکیده

Thomassen posed the following problem: Suppose G is a planar graph and W V (G) such that the distance between any two vertices in W is at least 100. Can a 5-coloring of W be extended to a 5-coloring of G? It is known that no 4-coloring result of this nature can hold. We provide a best possible solution to Thomassen's problem as well as some generalizations.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

“You can’t fuse yourself”: contemporary British-Asian music and the musical expression of identity

The Open University's repository of research publications and other research outputs " You can't fuse yourself " : contemporary British-Asian music and the musical expression of identity Journal Article How to cite: Clayton, Martin (1998). " You can't fuse yourself " : contemporary British-Asian music and the musical expression of identity. Copyright and Moral Rights for the articles on this si...

متن کامل

P14: How to Find a Talent?

Talents may be artistic or technical, mental or physical, personal or social. You can be a talented introvert or a talented extrovert. Learning to look for your talents in the right places and building those talents into skills and abilities might take some work, but going about it creatively will let you explore your natural abilities and find your innate talents. You’re not going to fin...

متن کامل

The Age of DIY

R ecently, a friend asked me to write about Bitcoin. This has always been an interesting topic. I wrote about electronic cash in 1997, 1 when the November/December issue of this magazine ran a theme on the topic. My advice then, as now, was " Hold on to your wallet. " After looking into Bitcoin, I realized I couldn't add much to what you can get on this interesting topic yourself, starting with...

متن کامل

Analogy and Conceptual Change, or You can't step into the same mind twice

Sometimes analogy researchers talk as if the freshness of an experience of analogy resides solely in seeing that something is like something else -seeing that the atom is like a solar system, that heat is like flowing water, that paint brushes work like pumps, or that electricity is like a teeming crowd. But analogy is more than this. Analogy isn't just seeing that the atom is like a solar syst...

متن کامل

Why can't you tickle yourself?

It is well known that you cannot tickle yourself. Here, we discuss the proposal that such attenuation of self-produced tactile stimulation is due to the sensory predictions made by an internal forward model of the motor system. A forward model predicts the sensory consequences of a movement based on the motor command. When a movement is self-produced, its sensory consequences can be accurately ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • J. Comb. Theory, Ser. B

دوره 73  شماره 

صفحات  -

تاریخ انتشار 1998