2432 search results - page 93 / 487 » Degrees and choice numbers |
148
click to vote
COMBINATORICS
2006
15 years 6 months ago
2006
Previous work has shown the perhaps surprising result that, for any binary phylogenetic tree T , there is a set of four characters that define T . Here we deal with the general ca...
112
click to vote
MOC
2002
15 years 6 months ago
2002
We develop a method for obtaining upper bounds for the smallest norm among all norms of integral ideals in an ideal class. Applying this to number fields of small degree, we are ab...
157
click to vote
FFA
2010
15 years 4 months ago
2010
We count the number of irreducible polynomials in several variables of a given degree over a finite field. The results are expressed in terms of a generating series, an exact for...
162
click to vote
JSC
2010
15 years 4 months ago
2010
We present a new positive lower bound for the minimum value taken by a polynomial P with integer coefficients in k variables over the standard simplex of Rk , assuming that P is p...
160
click to vote
JSC
2010
15 years 4 months ago
2010
We show how to compute Hong’s bound for the absolute positiveness of a polynomial in d variables with maximum degree δ in O(n logd n) time, where n is the number of non-zero co...