ÀÛ¿ë¼Ò
¼Ò½Ä No.272. (2007.12.01)
¿¬»ç: Muneo Cho (Kanagawa Univ)
Á¦¸ñ: Xia spectrum for some class of operators
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ÀÛ¿ë¼Ò
¼Ò½Ä No.271. (
¿¬»ç: Muneo Cho (Kanagawa Univ)
Á¦¸ñ: Xia spectrum for some class of operators
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Á¾° ȸ½ÄÀÌ ÀÖ½À´Ï´Ù.
ÀÛ¿ë¼Ò
¼Ò½Ä No.270. (
¿¬»ç:
Á¦¸ñ: The
Operator Class C1
ÀϽÃ:
Àå¼Ò:
»ó»ê°ü 301È£
¿¬»ç: Muneo Cho (Kanagawa Univ)
Á¦¸ñ: Xia spectrum for some class of operators
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ÀÛ¿ë¼Ò
¼Ò½Ä No.269. (
¿¬»ç:
Á¤ÀϺÀ (°æºÏ´ëÇб³)
Á¦¸ñ: On Completely Hyperexpansive Operators
ÀϽÃ:
Àå¼Ò: »ó»ê°ü 301È£
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Á¦¸ñ: Xia spectrum for some class of operators
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¿¬»ç:
Á¦¸ñ: Which hyponormal operators are subnormal?(¾î¶² ¾ÆÁ¤±ÔÀÛ¿ë¼Ò°¡ ºÎºÐÁ¤±ÔÀΰ¡?)
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Á¤ÀϺÀ (°æºÏ´ëÇб³)
Á¦¸ñ: On Completely Hyperexpansive Operators
ÀϽÃ:
2007³â 11¿ù 16ÀÏ ±Ý¿äÀÏ 15½Ã 30ºÐ
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¿¬»ç: Muneo Cho (Kanagawa Univ)
Á¦¸ñ: Xia spectrum for some class of operators
ÀϽÃ: 2007³â 12¿ù 7ÀÏ
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ÀÛ¿ë¼Ò
¼Ò½Ä No.267. (2007.10.27)
¿¬»ç:
Á¦¸ñ: Functional
EquationsÀÇ ºÐ·ù
ÀϽÃ:
2007³â 11¿ù 2ÀÏ ±Ý¿äÀÏ 15½Ã 30ºÐ
Àå¼Ò: »ó»ê°ü 301È£
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Á¦¸ñ: Which hyponormal operators are subnormal?(¾î¶² ¾ÆÁ¤±ÔÀÛ¿ë¼Ò°¡ ºÎºÐÁ¤±ÔÀΰ¡?)
ÀϽÃ: 2007³â
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ÀÌ¿¡ ´ëÇØ ÀڱⱳȯÀÚÀÇ °è¼ö°¡ À¯ÇÑÀÎ °æ¿ì°¡ Á¦ÀÏ ¸ÕÀú ¶°¿À¸£´Âµ¥, ÀÌ °æ¿ì¿¡ ´ëÇØ »ìÆ캻´Ù.
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Á¦¸ñ: On Completely Hyperexpansive Operators
ÀϽÃ:
2007³â 11¿ù 16ÀÏ ±Ý¿äÀÏ 15½Ã 30ºÐ
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Á¦¸ñ: Xia spectrum for some class of operators
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±Ý¿äÀÏ 15½Ã 30ºÐ
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ÀÛ¿ë¼Ò
¼Ò½Ä No.266. (2007.10.22)
¿¬»ç:
Á¦¸ñ: The Schmidt
number of the type $(5,5)$ and $(6,6)$ examples of Clarisse and
Ha
ÀϽÃ: 2007³â 10¿ù 26ÀÏ ±Ý¿äÀÏ 15½Ã
30ºÐ
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Á¦¸ñ: Functional
EquationsÀÇ ºÐ·ù
ÀϽÃ:
2007³â 11¿ù 2ÀÏ ±Ý¿äÀÏ 15½Ã 30ºÐ
Àå¼Ò: »ó»ê°ü 301È£
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Á¦¸ñ: Which hyponormal operators are subnormal?(¾î¶² ¾ÆÁ¤±ÔÀÛ¿ë¼Ò°¡ ºÎºÐÁ¤±ÔÀΰ¡?)
ÀϽÃ: 2007³â
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ÀÌ¿¡ ´ëÇØ ÀڱⱳȯÀÚÀÇ °è¼ö°¡ À¯ÇÑÀÎ °æ¿ì°¡ Á¦ÀÏ ¸ÕÀú ¶°¿À¸£´Âµ¥, ÀÌ °æ¿ì¿¡ ´ëÇØ »ìÆ캻´Ù.
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Á¦¸ñ: On Completely Hyperexpansive Operators
ÀϽÃ:
2007³â 11¿ù 16ÀÏ ±Ý¿äÀÏ 15½Ã 30ºÐ
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç: Muneo Cho (Kanagawa Univ)
Á¦¸ñ: Xia spectrum for some class of operators
ÀϽÃ: 2007³â 12¿ù 7ÀÏ
±Ý¿äÀÏ 15½Ã 30ºÐ
Àå¼Ò: »ó»ê°ü 301È£
ÀÛ¿ë¼Ò ¼Ò½Ä No.265. (
¿¬»ç:
Á¦¸ñ: The Schmidt number of the type
$(5,5)$ and $(6,6)$ examples of Clarisse and Ha
ÀϽÃ:
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Functional EquationsÀÇ ºÐ·ù
ÀϽÃ:
Àå¼Ò:
»ó»ê°ü 301È£
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°ü°è·Î ÀÛ¿ë¼Ò´ë¼ö ¼¼¹Ì³ª°¡ ¾ø½À´Ï´Ù.
ÀÛ¿ë¼Ò ¼Ò½Ä No.264. (
¿¬»ç:
Á¦¸ñ: Joint hyponormality of block Toeplitz
pairs
ÀϽÃ:
Àå¼Ò:
»ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: The Schmidt number of the type
$(5,5)$ and $(6,6)$ examples of Clarisse and Ha
ÀϽÃ:
Àå¼Ò: »ó»ê°ü 301È£
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Á¦¸ñ: Functional EquationsÀÇ ºÐ·ù
ÀϽÃ:
Àå¼Ò:
»ó»ê°ü 301È£
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°ü°è·Î ÀÛ¿ë¼Ò´ë¼ö ¼¼¹Ì³ª°¡ ¾ø½À´Ï´Ù.
ÀÛ¿ë¼Ò ¼Ò½Ä
No.263. (
¿¬»ç:
Á¦¸ñ: Exact hull of C^*-tensor
norm
ÀϽÃ:
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»ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: TBA
ÀϽÃ:
Àå¼Ò: »ó»ê°ü 301È£
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Á¦¸ñ: The Schmidt number of the type
$(5,5)$ and $(6,6)$ examples of Clarisse and Ha
ÀϽÃ:
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Functional EquationsÀÇ ºÐ·ù
ÀϽÃ:
Àå¼Ò:
»ó»ê°ü 301È£
ÀÛ¿ë¼Ò ¼Ò½Ä No.262. (
¿¬»ç:
Á¦¸ñ: Exact hull of C^*-tensor norm
ÀϽÃ:
Àå¼Ò: »ó»ê°ü 301È£
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°ü°è·Î ÀÛ¿ë¼Ò ¼¼¹Ì³ª°¡ ¾ø½À´Ï´Ù.
ÀÛ¿ë¼Ò
¼Ò½Ä No.261. (2007.9.14)
¿¬»ç:
Á¦¸ñ: Subnormality of
Toeplitz operators
ÀϽÃ: 2007³â 9¿ù 21ÀÏ
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ÀÛ¿ë¼Ò ¼Ò½Ä No.260. (
¿¬»ç:
Á¦¸ñ: Generalized additive functional inequalities in
C*-algebras
ÀϽÃ:
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»ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: TBA
ÀϽÃ:
Àå¼Ò: »ó»ê°ü 301È£
ÀÛ¿ë¼Ò ¼Ò½Ä No.259. (
¿¬»ç:
Á¦¸ñ: Grothendieck
inequality for jointly completely bounded bilinear forms on C*-algebras.
ÀϽÃ: 2007³â 9 ¿ù 7 ÀÏ ±Ý¿äÀÏ
Àå¼Ò: »ó»ê°ü 301È£
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Á¦¸ñ: Generalized additive functional inequalities in
C*-algebras
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No.258. (
KOTAC2007 Á÷Àü¿¡ ´ÙÀ½ÀÇ ÁýÁß°¿¬ÀÌÀÖ½À´Ï´Ù
¿¬»ç: N. Brown (Penn State Univ.)
Á¦¸ñ: Four applications of exactness and quasidiagonality
Àå¼Ò ¹× ÀÏÁ¤ : ¼¿ï´ëÇб³
»ó»ê°ü 301È£.
6¿ù
18ÀÏ(¿ù): ¿ÀÈÄ 3:00 -- 5:00
6¿ù 19ÀÏ(È): ¿ÀÀü 10:00 --
12:00
6¿ù 20ÀÏ(¼ö): ¿ÀÀü 10:00 -- 12:00.
ÃÊ·Ï: In these lectures I will explain how technical approximation
properties of C*-algebras can be used to solve certain problems which,
on the surface, appear to be far removed from the realm of
C*-approximation theory.
In the first lecture I will review some basics
(group algebras, crossed
products and other preliminaries), survey the
theories of exact and
quasidiagonal C*-algebras,
and show how these ideas lead to a complete
solution to a problem of Herrero in single operator theory. In the
second lecture
I will present applications to theoretical numerical
analysis and
K-homology. The third lecture will be devoted to exact
groups, amenable
actions and the striking applications of Ozawa and
Ozawa-Popa to various classification results for von Neumann
algebras.
ÀÛ¿ë¼Ò ¼Ò½Ä
No.257. (
¿¬»ç:
Á¦¸ñ: Hyponormal Toeplitz operators
ÀϽÃ: 2007³â 6 ¿ù 8 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
6¿ù
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KOTAC2007 Á÷Àü¿¡ ´ÙÀ½ÀÇ ÁýÁß°¿¬ÀÌ ÀÖ½À´Ï´Ù
¿¬»ç: N. Brown (Penn State Univ.)
Á¦¸ñ: Four applications of exactness and quasidiagonality
Àå¼Ò ¹× ÀÏÁ¤ : ¼¿ï´ëÇб³
»ó»ê°ü 301È£.
6¿ù
18ÀÏ(¿ù): ¿ÀÈÄ 3:00 -- 5:00
6¿ù 19ÀÏ(È): ¿ÀÀü 10:00 --
12:00
6¿ù 20ÀÏ(¼ö): ¿ÀÀü 10:00 -- 12:00.
ÃÊ·Ï: In these lectures I will explain how technical approximation
properties of C*-algebras can be used to solve certain problems which,
on the surface, appear to be far removed from the realm of
C*-approximation theory.
In the first lecture I will review some basics
(group algebras, crossed
products and other preliminaries), survey the
theories of exact and
quasidiagonal C*-algebras,
and show how these ideas lead to a complete
solution to a problem of Herrero in single operator theory. In the
second lecture
I will present applications to theoretical numerical
analysis and
K-homology. The third lecture will be devoted to exact
groups, amenable
actions and the striking applications of Ozawa and
Ozawa-Popa to various classification results for von Neumann
algebras.
ÀÛ¿ë¼Ò ¼Ò½Ä
No.256. (
¿¬»ç:
Á¦¸ñ: Entropy encoding using Kahunen
Loeve Transform
ÀϽÃ: 2007³â 6 ¿ù 1 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
ÃÊ·Ï: While entropy encoding is a popular topic in engineering, the
choices made
in signal processing are often more by trial and error than by
theory. We try to pay more attention to the mathematical foundation of the
entropy encoding. We take advantage of the fact that Hilbert space and operator
theory form the common language of both quantum mechanics and of signal/image
processing. By introducing Hilbert space and operators, we show how
probabilities, approximations and entropy encoding from signal and image
processing allow precise formulas and quantitative estimates. Our main results
yield orthogonal bases which optimize distinct measures of data encoding. We
show that parallel problems in quantum mechanics and in signal processing entail
the choice of "good" orthonormal bases (ONBs). One particular such ONB goes under the name "the
Karhunen-Lo`eve basis."
¿¬»ç:
Á¦¸ñ: Hyponormal Toeplitz operators
ÀϽÃ: 2007³â 6 ¿ù 8 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
KOTAC2007 Á÷Àü¿¡ ´ÙÀ½ÀÇ ÁýÁß°¿¬ÀÌ ÀÖ½À´Ï´Ù
¿¬»ç: N. Brown (Penn State Univ.)
Á¦¸ñ: Four applications of exactness and quasidiagonality
Àå¼Ò ¹× ÀÏÁ¤
: ¼¿ï´ëÇб³ »ó»ê°ü 301È£.
6¿ù
18ÀÏ(¿ù): ¿ÀÈÄ 3:00 -- 5:00
6¿ù 19ÀÏ(È): ¿ÀÀü 10:00 --
12:00
6¿ù 20ÀÏ(¼ö): ¿ÀÀü 10:00 -- 12:00.
ÃÊ·Ï: In these lectures I will explain how technical approximation
properties of C*-algebras can be used to solve certain problems which,
on the surface, appear to be far removed from the realm of
C*-approximation theory.
In the first lecture I will review some basics
(group algebras, crossed
products and other preliminaries), survey the
theories of exact and
quasidiagonal C*-algebras,
and show how these ideas lead to a complete
solution to a problem of Herrero in single operator theory. In the
second lecture
I will present applications to theoretical numerical
analysis and
K-homology. The third lecture will be devoted to exact
groups, amenable
actions and the striking applications of Ozawa and
Ozawa-Popa to various classification results for von Neumann
algebras.
ÀÛ¿ë¼Ò ¼Ò½Ä
No.255. (
¿¬»ç:
Á¦¸ñ: C^*-algebras of lower rank
ÀϽÃ: 2007³â 5 ¿ù 25 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Entropy encoding using Kahunen
Loeve Transform
ÀϽÃ: 2007³â 6 ¿ù 1 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
ÃÊ·Ï: While entropy encoding is a popular topic in engineering, the
choices made
in signal processing are often more by trial and error than by
theory. We try to pay more attention to the mathematical foundation of the
entropy encoding. We take advantage of the fact that Hilbert space and operator
theory form the common language of both quantum mechanics and of signal/image
processing. By introducing Hilbert space and operators, we show how
probabilities, approximations and entropy encoding from signal and image
processing allow precise formulas and quantitative estimates. Our main results
yield orthogonal bases which optimize distinct measures of data encoding. We
show that parallel problems in quantum mechanics and in signal processing entail
the choice of "good" orthonormal bases (ONBs). One particular such ONB goes under the name "the
Karhunen-Lo`eve basis."
¿¬»ç:
Á¦¸ñ: Hyponormal Toeplitz operators
ÀϽÃ: 2007³â 6 ¿ù 8 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
ÀÛ¿ë¼Ò ¼Ò½Ä
No.254. (
¿¬»ç:
Á¦¸ñ: C^*-algebras of lower rank
ÀϽÃ: 2007³â 5 ¿ù 25 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Entropy encoding using Kahunen
Loeve Transform
ÀϽÃ: 2007³â 6 ¿ù 1 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Hyponormal Toeplitz operators
ÀϽÃ: 2007³â 6 ¿ù 8 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
5¿ù 18
ÀÏÀº ¼¿ï´ë ¼ö¸®°úÇкΠME2007 Çà»ç·Î ¼¼¹Ì³ª°¡ ¾ø½À´Ï´Ù.
ÀÛ¿ë¼Ò ¼Ò½Ä
No.253. (
¿¬»ç:
Á¦¸ñ: Noncommutative L_p space arising from semifinite
von Neumann algebra and free group factor II
ÀϽÃ: 2007³â 5 ¿ù 11 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: C^*-algebras of lower rank
ÀϽÃ: 2007³â 5 ¿ù 25 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Entropy encoding using Kahunen
Loeve Transform
ÀϽÃ: 2007³â 6 ¿ù 1 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Hyponormal Toeplitz operators
ÀϽÃ: 2007³â 6 ¿ù 8 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
Áö³ ¼Ò½ÄÁöÀÇ ³»¿ë°ú ´Þ¸® ¼¼¹Ì³ª ÀÏÁ¤ÀÌ
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ÀÛ¿ë¼Ò ¼Ò½Ä
No.252. (
¿¬»ç:
Á¦¸ñ: Noncommutative L_p space arising from semifinite
von Neumann algebra and free group factor
ÀϽÃ: 2007³â 5 ¿ù 4 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
¿¬»ç:
Á¦¸ñ: Hyponormal Toeplitz operators
ÀϽÃ: 2007³â 5 ¿ù 11 ÀÏ ±Ý¿äÀÏ 15½Ã
Àå¼Ò: »ó»ê°ü 301È£
5¿ù
18ÀÏÀº ¼¿ï´ë ¼ö¸®°úÇкΠME2007
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ÀÛ¿ë¼Ò ¼Ò½Ä
No.251. (
¿¬»ç: Jianlian Cui (Tsinghua University)
Á¦¸ñ: Additive maps preserving commutativity up to a factor
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Á¦¸ñ: Noncommutative L_p space arising from semifinite
von Neumann algebra and free group factor
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No.250. (
¿¬»ç:
Á¦¸ñ: Noncommutative L_p space
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À̹ø ÁÖ´Â ´ëÇѼöÇÐȸ (Åä)
°ü°è·Î ±Ý¿ä¼¼¹Ì³ª°¡ ¾ø½À´Ï´Ù.
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No.249. (
¿¬»ç: J. Stochel (
Á¦¸ñ: Joint subnormality of
$n$-tuples and $C_0$-semigroups of composition
operators on $L^2$-spaces.
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ÃÊ·Ï: Joint subnormality of a family of
composition
operators on $L^2$-space is characterized by
means of positive
definiteness of appropriate
Radon-Nikodym
derivatives. Next, simplified
positive definiteness conditions guaranteing
joint subnormality
of a $C_0$-semigroup of
composition operators are supplied. Finally,
the
Radon-Nikodym derivatives attached to a
jointly
subnormal $C_0$-semigroup of composition
operators are shown to be
the
of probability
measures (modulo a $C_0$-group of
scalars) constituting a measurable
family.
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No.248. (
¿¬»ç:
Á¦¸ñ: Finite dimensional subspaces of Noncommutative L_p
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ÃÊ·Ï: First, we will focus on n-dimensional subspace E of Lp(M) with
respect to a semifinite von Neumann algebra M.
We will talk about so
called "change of density" phenomenon saying that E
has a special basis
satisfying an orthogonal condition.
With the help of this basis we can show
that d_cb(E, RC[p]_n) <= n^|1/2 -
1/p|.
This result can be
extended to the case M is a general von Neumann algebra
using Haggerup's reduction argument.
¿¬»ç: J. Stochel (
Á¦¸ñ: TBA
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No.247. (
¿¬»ç:
Á¦¸ñ: Scott Brown's techniques on the invariant
subspace problem ll
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Á¦¸ñ: TBA
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No.246. (
¿¬»ç:
Á¦¸ñ: Hyponormality of block Toeplitz
operator
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Á¦¸ñ: Scott Brown's techniques on the invariant
subspace problem ll
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No.245. (
¿¬»ç:
Á¦¸ñ: Scott Brown's techniques on the invariant
subspace problem
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No.244.
(
¿¬»ç:
Á¦¸ñ: Extreme rays in $3\otimes 3$ entangled edge states with
positive partial transposes
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