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Month: December 2013

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Algebraic general topology Filters General Topology Nonsmooth analysis

A negative result on a conjecture

By Victor Porton
On December 18, 2013

Due my research about singularities the problem formulated in this blog post was solved negatively with help of Alex Ravsky who has found a counter-example. The conjecture was: $latex \mathrm{GR}(\Delta \times^{\mathsf{FCD}} \Delta)$ is closed under finite intersections. The counter-example follows: $latex f=\{(x,y)\in\mathbb…

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Math on the Web

My proposal for Open Problem Garden

By Victor Porton
On December 9, 2013

I’ve sent to personnel of Open Problem Garden the following proposal email: Please add in each problem page a PayPal donation button. The money collected for a problem should be directed to the person which first solves the problem. One additional advantage…

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#math prizes#mathematical prizes#Open Problem Garden
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  • SCIENCE
  • Home
  • Algebraic General Topology
  • Axiomatic Theory of Formulas
  • Limit of a Discontinuous Function
  • More
  • Prize
  • SCIENCE
  • Home
    • Blog
    • Soft
  • Algebraic General Topology
    • Paperback
    • Ebook
    • PDF
  • Axiomatic Theory of Formulas
    • Paperback
    • Ebook
    • PDF
  • Limit of a Discontinuous Function
  • More
    • Donate
    • Review
    • Publish
    • Politics
  • Prize