Some questions related to hyperspaces
Basic concepts of the theory of geometric objects
ContentsIntroduction............................................................................................................................................................................... 3§ 1. Historical development of the concept of a geometric object..................................................................................4§ 2. Manifold, coordinate system, transformations of the coordinate system............................................................. 7§ 3. Group, pseudogroup,...
Klassifikation der linearen homogenen geometrischen Objekte von Typus J mit drei Komponenten
Nomographic functions
CONTENTS Introduction.............................................................................3 I. Linear dependence and independence of functions............7 II. Bank of a function.............................................................15 III. Nomographic functions ....................................................34 IV. Two fundamental theorems..............................................45 V. Scheme...
On the Schröder equation
CONTENTSPART IIntroduction............................................................................................... 31. General solution.................................................................................. 42. Preliminaries and notation................................................................ 53. solutions in *................................................ 74. Change of variables........................................................................... 135. Continuous...
The automorphism groups and endomorphism rings of torsion-free abelian groups of rank two
CONTENTS§ 1. Introduction.......................................................................................................................................... 5§ 2. Definitions and lemmas................................................................................................................... 7§ 3. Theorem on the isomorphism of subdirect sums with the same kernels............................. 15§ 4. The group of automorphisms of a torsion-free abelian group of rank two................................
Relations impartibles
TABLE DES MATIÈRESIntroduction.................................................................................................................................................................................................... 5I. Relation impartible.................................................................................................................................................................................... 6 I-1. Définition.......................................................................................................................................................................................
Cosine operator functions
CONTENTS0. Introduction............................................................................................................... 31. Preliminaries............................................................................................................ 32. Cosine operator functions..................................................................................... 63. Generation of cosine operator functions............................................................ 234. Cosine operator...
Sur les systèmes de points du plan. Application aux courbes gauches algébriques
Recherches sur le problème des corps à masses variables
Sur les points singuliers du problème des trois corps
Toric varieties in phylogenetics
The paper contains a revised, and extended by new results, part of the author's PhD thesis. The main objects that we study are toric varieties naturally associated to special Markov processes on trees. Such Markov processes can be defined by a tree T and a group G. They are called group-based models. The main, but not unique, motivation to consider these processes comes from phylogenetics. We study the geometry, defining equations and combinatorial description of the associated toric varieties....
-theory of the Navier-Stokes flow in the exterior of a moving or rotating obstacle
The space of minimal prime ideals of a commutative ring
Numerical aspects of computation of periodic and quasiperiodic solutions in systems of partial differential equations
On a category of spaces
Topologies compatible with ordering
On difficulties in embedding lattice-ordered integral domains in lattice-ordered fields
On descriptive classification of functions
Algebras of germs of Fourier transforms
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