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1

When ℵ₁ many sets are contained in a countably generated σ-field

100%

Drabiński R., Grzegorek E.

Colloquium Mathematicum

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2009

|

tom 115

|

nr 1

41-45

EN

We discuss the problem when ℵ₁ sets are contained in a σ-generated σ-field on some set X. This is related to a problem raised by K. P. S. Bhaskara Rao and Rae Michael Shortt [Dissertationes Math. 372 (1998)] which we answer. We also briefly discuss generating the family of all subsets from rectangles.

2

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On a paper by Karel Prikry concerning Ulam's problem on families of measures

79%

Grzegorek E.

Colloquium Mathematicum

|

1979

|

tom 42

|

nr 1

197-208

3

Complementation in the lattice of Borel structures

70%

Sarbadhikari H., Bhaskara Rao K. P. S., Grzegorek E.

Colloquium Mathematicum

|

1974

|

tom 31

|

nr 1

29-32

4

On saturated sets of Boolean rings and Ulam's problem on sets measures

70%

Grzegorek E.

Fundamenta Mathematicae

|

1980

|

tom 110

|

nr 3

153-161

5

Remarks on σ-fields without continuous measures

60%

Grzegorek E.

Colloquium Mathematicum

|

1978

|

tom 39

|

nr 1

73-75

6

A solution of a problem of B. Rotman

50%

Grzegorek E.

Colloquium Mathematicum

|

1977-1978

|

tom 38

|

nr 1

37-38

7

On axial maps of direct products, II

50%

Grzegorek E.

Colloquium Mathematicum

|

1975-1976

|

tom 34

|

nr 2

145-164

Ograniczanie wyników

6 Colloquium Mathematicum

1 Fundamenta Mathematicae

7 Grzegorek E.

1 Bhaskara Rao K. P. S.

1 Drabiński R.

1 Sarbadhikari H.

1 2009

1 1980

1 1979

1 1978

1 1977

1 1976

1 1974

When ℵ₁ many sets are contained in a countably generated σ-field

On a paper by Karel Prikry concerning Ulam's problem on families of measures

Complementation in the lattice of Borel structures

On saturated sets of Boolean rings and Ulam's problem on sets measures

Remarks on σ-fields without continuous measures

A solution of a problem of B. Rotman

On axial maps of direct products, II