7 citations · 30 across the 11 of their papers we have counts for
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math.GT2020★ 3 cited
Some `converses' to intrinsic linking theorems
R. Karasev, A. Skopenkov
A low-dimensional version of our main result is the following `converse' of the Conway-Gordon-Sachs Theorem on intrinsic linking of the graph in 3-space: For any integer …
math.AT2020★ 4 cited
Extendability of simplicial maps is undecidable
A. Skopenkov
We present a short proof of the Čadek-Krčál-Matoušek-Vokřínek-Wagner result from the title (in the following form due to Filakovský-Wagner-Zhechev). For any fixed even there is…
math.GT2020★ 2 cited
A user's guide to basic knot and link theory
A. Skopenkov
This paper is expository and is accessible to students. We define simple invariants of knots or links (linking number, Arf-Casson invariants and Alexander-Conway polynomials) motiv…