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In arXiv:1711.10132 a new approximating invariant ${\mathsf{TC}}^{\mathcal{D}}$ for topological complexity was introduced called $\mathcal{D}$-topological complexity. In this paper, we explore more fully the properties of…

Algebraic Topology · Mathematics 2018-07-12 Michael Farber , Mark Grant , Gregory Lupton , John Oprea

We provide an upper bound on the topological complexity of twisted products. We use it to give an estimate $$TC(X)\le TC(\pi_1(X))+\dim X$$ of the topological complexity of a space in terms of its dimension and the complexity of its…

Geometric Topology · Mathematics 2013-12-03 Alexander Dranishnikov

In this paper we introduce the concepts of higher equivariant and invariant topological complexity; and study their properties. Then we compare them with equivariant LS-category. We give lower and upper bounds for these new invariants. We…

Algebraic Topology · Mathematics 2018-04-24 Marzieh Bayeh , Soumen Sarkar

J. Milnor introduced a specific class of codimension-$1$ submanifolds in the product of projective spaces, known as Milnor manifolds. This paper establishes precise bounds on the higher topological complexity of these manifolds and provides…

Algebraic Topology · Mathematics 2025-07-03 Navnath Daundkar , Bittu Singh

We develop the properties of the $n$-th sequential topological complexity $TC_n$, a homotopy invariant introduced by the third author as an extension of Farber's topological model for studying the complexity of motion planning algorithms in…

Algebraic Topology · Mathematics 2014-11-11 Ibai Basabe , Jesus Gonzalez , Yuli B. Rudyak , Dai Tamaki

By a formula of Farber the topological complexity TC(X) of a (p-1)-connected, m-dimensional CW-complex X is bounded above by (2m+1)/p+1. There are also various lower estimates for TC(X) such as the nilpotency of the ring $H^*(X\times…

Algebraic Topology · Mathematics 2012-10-24 Aleksandra Franc , Petar Pavešić

The topological complexity TC(X) is a homotopy invariant which reflects the complexity of the problem of constructing a motion planning algorithm in the space X, viewed as configuration space of a mechanical system. In this paper we…

Algebraic Topology · Mathematics 2008-06-26 Michael Farber , Mark Grant

Farber introduced a notion of topological complexity $\TC(X)$ that is related to robotics. Here we introduce a series of numerical invariants $\TC_n(X), n=1,2, ...$ such that $\TC_2(X)=\TC(X)$ and $\TC_n(X)\le \TC_{n+1}(X)$. For these…

Algebraic Topology · Mathematics 2009-11-12 Yuli B. Rudyak

Let X be a (not-necessarily homotopy-associative) H-space. We show that TC_{n+1}(X) = cat(X^n), for n >= 1, where TC_{n+1}(-) denotes the so-called higher topological complexity introduced by Rudyak, and cat(-) denotes the…

Algebraic Topology · Mathematics 2011-06-20 Gregory Lupton , Jérôme Scherer

We study the higher (or sequential) topological complexity $\mathrm{TC}_s$ of manifolds with abelian fundamental group. We give sufficient conditions for $\mathrm{TC}_s$ to be non-maximal in both the orientable and non-orientable cases. In…

Algebraic Topology · Mathematics 2026-03-03 N. Cadavid-Aguilar , D. Cohen , J. González , S. Hughes , L. Vandembroucq

We prove the formula \begin{equation*} TC(X\vee Y)=\max\{TC(X),TC(Y),cat(X\times Y)\} \end{equation*} for the topological complexity of the wedge $X\vee Y$.

Algebraic Topology · Mathematics 2021-01-26 Cesar A. Ipanaque Zapata

We give an upper bound on the topological complexity of varieties $\mathcal{V}$ obtained as complements in $\mathbb{C}^m$ of the zero locus of a polynomial. As an application, we determine the topological complexity of unordered…

Algebraic Topology · Mathematics 2020-10-20 Andrea Bianchi

We present upper and lower bounds for symmetrized topological complexity $TC^\Sigma(X)$ in the sense of Basabe-Gonz\'alez-Rudyak-Tamaki. The upper bound comes from equivariant obstruction theory, and the lower bounds from the cohomology of…

Algebraic Topology · Mathematics 2020-04-23 Mark Grant

For a tree $T$, we show that for many positive integer values of $n$, and an integer $s \geq 2$, the higher topological complexity $TC_s$ of the unordered configuration spaces of trees $U\mathcal{C}^nT$, is maximal. In other words, we prove…

Algebraic Topology · Mathematics 2022-11-15 Teresa Hoekstra-Mendoza

We obtain an explicit formula for the best lower bound for the higher topological complexity, TC_k(P^n), of real projective space implied by mod 2 cohomology.

Algebraic Topology · Mathematics 2017-09-20 Donald M Davis

This paper presents a combinatorial analog of topological complexity for finite spaces. We demonstrate that this coincides with the genuine topological complexity of the original finite space, and constitutes an upper bound for the…

Combinatorics · Mathematics 2019-03-22 Kohei Tanaka

We calculate the higher topological complexity TC$_s$ for the complements of reflection arrangements, in other words for the pure Artin type groups of all finite complex reflection groups. In order to do that we introduce a simple…

Algebraic Topology · Mathematics 2014-11-10 Sergey Yuzvinsky

We use an alternative definition of topological complexity to show that the topological complexity of the mapping telescope of a sequence $X_1\rightarrow X_2\rightarrow X_3\rightarrow...$ is bounded above by $2max{TC(X_i); i=1,2,...}$.

Algebraic Topology · Mathematics 2011-12-19 Aleksandra Franc

In this article we study the higher topological complexity ${\sf TC}_r(X)$ in the case when $X$ is an aspherical space, $X=K(\pi, 1)$ and $r\ge 2$. We give a characterisation of ${\sf TC}_r(K(\pi, 1))$ in terms of classifying spaces for…

Algebraic Topology · Mathematics 2019-03-01 Michael Farber , John Oprea

In this paper, we introduce the n-th discrete topological complexity and study its properties such as its relation with simplicial Lusternik-Schnirelmann category and how the higher dimensions of discrete topological complexity relate with…

Algebraic Topology · Mathematics 2024-04-17 Hilal Alabay , Ayse Borat , Esra Cihangirli , Esma Dirican Erdal
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