منابع مشابه
On linear sets on a projective line
Linear sets generalise the concept of subgeometries in a projective space. They have many applications in finite geometry. In this paper we address two problems for linear sets: the equivalence problem and the intersection problem. We consider linear sets as quotient geometries and determine the exact conditions for two linear sets to be equivalent. This is then used to determine in which cases...
متن کاملon the effect of linear & non-linear texts on students comprehension and recalling
چکیده ندارد.
15 صفحه اولOn Saturating Sets in Small Projective Geometries
A set of points, S ⊆ PG(r, q), is said to be %-saturating if, for any point x ∈ PG(r, q), there exist %+ 1 points in S that generate a subspace in which x lies. The cardinality of a smallest possible set S with this property is denoted by k(r, q, %). We give a short survey of what is known about k(r, q, 1) and present new results for k(r, q, 2) for small values of r and q. One construction pres...
متن کاملOn Discrete Borel Spaces and Projective Sets
Let J denote the unit interval, S—IXI the unit square; Cj and Cs the class of all subsets of I and 6, respectively. By Cj X Cj is meant the or-algebra on S generated by rectangles with sides in C/. The purpose of this note is to prove the following theorem (which settles a problem of S. M. Ulam) and observe some of its consequences. Without explicit mention, the axiom of choice has been assumed...
متن کاملOn the Convexity of Projective, Smooth Sets
Let us assume every Chebyshev matrix is bounded and multiply Poisson. Recent developments in absolute graph theory [14] have raised the question of whether V −1 (C −∞) ⊂ ∑ ξ (∅+ π, . . . , ∅ ∨ i) . We show that |τ̄ | 6= −1. A central problem in advanced algebra is the derivation of Tate fields. This could shed important light on a conjecture of Desargues.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Designs, Codes and Cryptography
سال: 2010
ISSN: 0925-1022,1573-7586
DOI: 10.1007/s10623-010-9393-9