In this paper we prove new bounds on the sum of the Betti numbers of closed semi-algebraic sets and also give the first single exponential time algorithm for computing the Euler characteristic of arbitrary closed semi-algebraic sets.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/42421/1/454-22-1-1_22n1p1.pd
Let X be a subset in [−1, 1]n0 ⊂Rn0 defined by the formula X = {x0 |Q1x1Q2x2... Qνxν ((x0,x1,...,xν)...
International audienceLet R be a real closed field, Q subset of R vertical bar Y-1.....Y-l, X-1,.......
AbstractWe define counting classes #PR and #PC in the Blum–Shub–Smale setting of computations over ...
Abstract. In this paper we prove new bounds on the sum of the Betti numbers of closed semi-algebraic...
In this paper we give a new bound on the sum of the Betti numbers of closed semi-algebraic sets. Thi...
Let R be a real closed field, Q ⊂ R[Y1 , . . . , Yl, X1 , . . . , Xk], with degY(Q) ≤ 2, degX(Q) ≤ d,...
International audienceLet R be a real closed field, Q subset of R[Y-1, ... , Y-l , X-1, ... , X-k], ...
Let R be a real closed field. The problem of obtaining tight bounds on the Betti numbers of semi-alg...
Abstract. Let R be a real closed field. The problem of obtaining tight bounds on the Betti numbers o...
Let R be a real closed field, Q ⊂ R[Y1 , . . . , Yl, X1 , . . . , Xk], with degY(Q) ≤ 2, degX(Q) ≤ d,...
AbstractLet R be a real closed field, Q⊂R[Y1,…,Yℓ,X1,…,Xk], with degY(Q)⩽2, degX(Q)⩽d, Q∈Q, #(Q)=m, ...
AbstractIn this paper we describe an algorithm that takes as input a description of a semi-algebraic...
Let R be a real closed field, , with degY(Q)2, degX(Q)d, , , and with degX(P)d, , . Let SRℓ+k be a ...
International audienceIn this paper we describe a singly exponential algorithm for computing the fir...
Let $\R$ be a real closed field, $ {\mathcal Q} \subset \R[Y_1,...,Y_\ell,X_1,...,X_k], $ with $ \de...
Let X be a subset in [−1, 1]n0 ⊂Rn0 defined by the formula X = {x0 |Q1x1Q2x2... Qνxν ((x0,x1,...,xν)...
International audienceLet R be a real closed field, Q subset of R vertical bar Y-1.....Y-l, X-1,.......
AbstractWe define counting classes #PR and #PC in the Blum–Shub–Smale setting of computations over ...
Abstract. In this paper we prove new bounds on the sum of the Betti numbers of closed semi-algebraic...
In this paper we give a new bound on the sum of the Betti numbers of closed semi-algebraic sets. Thi...
Let R be a real closed field, Q ⊂ R[Y1 , . . . , Yl, X1 , . . . , Xk], with degY(Q) ≤ 2, degX(Q) ≤ d,...
International audienceLet R be a real closed field, Q subset of R[Y-1, ... , Y-l , X-1, ... , X-k], ...
Let R be a real closed field. The problem of obtaining tight bounds on the Betti numbers of semi-alg...
Abstract. Let R be a real closed field. The problem of obtaining tight bounds on the Betti numbers o...
Let R be a real closed field, Q ⊂ R[Y1 , . . . , Yl, X1 , . . . , Xk], with degY(Q) ≤ 2, degX(Q) ≤ d,...
AbstractLet R be a real closed field, Q⊂R[Y1,…,Yℓ,X1,…,Xk], with degY(Q)⩽2, degX(Q)⩽d, Q∈Q, #(Q)=m, ...
AbstractIn this paper we describe an algorithm that takes as input a description of a semi-algebraic...
Let R be a real closed field, , with degY(Q)2, degX(Q)d, , , and with degX(P)d, , . Let SRℓ+k be a ...
International audienceIn this paper we describe a singly exponential algorithm for computing the fir...
Let $\R$ be a real closed field, $ {\mathcal Q} \subset \R[Y_1,...,Y_\ell,X_1,...,X_k], $ with $ \de...
Let X be a subset in [−1, 1]n0 ⊂Rn0 defined by the formula X = {x0 |Q1x1Q2x2... Qνxν ((x0,x1,...,xν)...
International audienceLet R be a real closed field, Q subset of R vertical bar Y-1.....Y-l, X-1,.......
AbstractWe define counting classes #PR and #PC in the Blum–Shub–Smale setting of computations over ...