ᄂᆮңщᎍ∈⇭∑૾ᆉࡸ↚ྵ↻↺‒ᆰ᧓᩼ɟಮࣱ↝ᚐௌ൷ဋ࠳‫ ٽ‬IKEDA Kota

ᄂᆮಒᙲ㸦㸯㸧ࢠ࣮࣮࣭࣐ࣛ࢖ࣥࣁࣝࢺ᪉⛬ᘧࡢࢩࣕࢻ࢘⣔࡟࠾ࡅࡿࢫ࣏ࢵࢺࣃࢱ࣮ࣥࡢᙧᡂ㐣⛬ࡢゎᯒ ࢫ࣏ࢵࢺࣃࢱ࣮ࣥࢆ⏕ᡂࡍࡿ᪉⛬ᘧ࡜ࡋ࡚▱ࡽࢀࡿࢠ࣮࣮࣭࣐ࣛ࢖ࣥࣁࣝࢺ⣔࡟ᑐࡋ࡚ࠊࢩ
ࣕࢻ࢘⣔ࢆ⪃࠼ࡿࠋࡇࡢ⣔ࡣࢳ࣮ࣗࣜࣥࢢ୙Ᏻᐃᛶ࡟㢮ఝࡋࡓᛶ㉁ࢆᣢࡘࡓࡵࠊ」ᩘࡢ୙Ᏻᐃ
࣮ࣔࢻࢆᣢࡘࠋࡇࢀࡣከᩘࡢࢫ࣏ࢵࢺࣃࢱ࣮ࣥࡀᙧᡂࡉࢀᚓࡿࡇ࡜ࢆព࿡ࡋ࡚࠸ࡿࡀࠊ᭱⤊ⓗ࡟ࡣࢫ࣏ࢵࢺࡀ㸯ࡘࡔࡅ⌧ࢀࡿ✵㛫ࣃࢱ࣮ࣥࡋ࠿⌧ࢀ࡞࠸ࠋᮏ◊✲࡛ࡣࠊ」ᩘಶࡢࢫ࣏ࢵࢺࣃ
ࢱ࣮ࣥࡀᡂ㛗ࡋࠊࡸࡀ࡚㸯ࡘࡢࢫ࣏ࢵࢺ࡟཰᮰ࡍࡿ㐣⛬ࢆᢅࡗࡓࠋࢫ࣏ࢵࢺࡢ᣺ᖜࡔࡅࢆᮍ▱㛵ᩘ࡟ᣢࡘᖖᚤศ᪉⛬ᘧࢆࠊ೫ᚤศ᪉⛬ᘧ࠿ࡽᙧᘧⓗ࡟ᑟฟࡋࠋゎᯒࢆ⾜ࡗࡓࠋࢫ࣏ࢵࢺࡀࡕ
ࡻ࠺࡝㸰ࡘᏑᅾࡋࠊࡑࡢ᣺ᖜࡀ␗࡞ࡿሙྜࠊ᭱⤊ⓗ࡟ࡣ 1 ࡘࡢࢫ࣏ࢵࢺࢆᣢࡘ✵㛫ࣃࢱ࣮ࣥ࡟
཰᮰ࡍࡿࡇ࡜ࡀド࡛᫂ࡁࡓࠋࡲࡓࠊ඲࡚ࡢᖹ⾮Ⅼࡢ⥺ᙧᏳᐃᛶゎᯒࢆᐇ⾜ࡋࠊHopf ศᒱⅬࢆࣃ࣓࣮ࣛࢱ࡛⾲♧ࡍࡿࡇ࡜࡟ᡂຌࡋࡓࠋ

㸦㸰㸧༡ᴟῐỈ†἟࡟ぢࡽࢀࡿࢥࢣ–⸴㢮⩌㞟ࡢ✵㛫ศᕸ ༡ᴟῐỈ†἟࡟ぢࡽࢀࡿࢥࢣ⸴㢮⩌㞟ࠊ࠸ࢃࡺࡿࠕࢥࢣᆓ୺ࠖࡀᏑᅾࡍࡿᆅᖏࢆಠ▔ࡍࡿ࡜ࠊྠ୍ࡢ†἟࡛࠶ࡗ࡚ࡶࠊࢥࢣᆓ୺ࡀᯘ❧ࡍࡿ῝ࡉ࡟ࡼࡗ࡚኱ࡁࡉࡸ➼㛫㝸ᛶࡀ␗࡞ࡿࠋᮏ
◊✲࡛ࡣࠊᩘ⌮ࣔࢹࣝࢆ⏝࠸࡚ࢥࢣᆓ୺ࡢ✵㛫ⓗ࡞㓄⨨࡜†἟ࡢ῝ࡉࡢ㛵ಀᛶࢆ᫂ࡽ࠿࡟ࡋࠊ
ࢥࢣᆓ୺ࡀ➼㛫㝸࡟୪ࡪせᅉࢆᶍ⣴ࡋࡓࠋࢥࢣᆓ୺ࡢฟ⌧⋡࡜ᙳࡢᙳ㡪ࢆ⪃៖ࡋᩘ್ゎᯒࢆ⾜ࡗࡓ⤖ᯝࠊᙳࡢᙳ㡪ࡀᑠࡉ࠸ሙྜࠊ᪂ࡓ࡞ࢥࢣᆓ୺ࡀฟ⌧ࡍࡿ☜⋡ࡀ㧗࠸࡜➼㛫㝸࡟࡞ࡾࡸࡍ
ࡃࠊᙳࡢᙳ㡪ࡀ኱ࡁ࠸ሙྜࠊฟ⌧⋡ࡀ㧗࠸࡜➼㛫㝸ᛶࡀኻࢃࢀࡿࡇ࡜ࡀ♧၀ࡉࢀࡓࠋࢥࢣᆓ୺
ࡣ⹊㢮࡜⸴㢮ࡀ」ᩘ✀ΰᅾࡍࡿࡇ࡜࡛ᙧᡂࡉࢀ࡚࠾ࡾࠊࡇࢀࡽࡢ✀ࡢ➇த㛵ಀ࡜ᙉගࡢᡂ㛗㜼ᐖࡢ㐪࠸ࡀほ ࡉࢀ࡚࠸ࡿࠋ➼㛫㝸ᛶࢆỴᐃࡍࡿせᅉ࡜ࡋ࡚ᥖࡆࡓࢥࢣᆓ୺ࡢฟ⌧⋡ࡣࠊ」ᩘ
✀ࡢᡂ㛗ᡓ␎࡜†἟ࡢ῝ࡉࡢ㛵ಀ࠿ࡽỴࡵࡽࢀࡿ࡜⪃࠼࡚࠸ࡿࠋࡋࡓࡀࡗ࡚ࠊ✀ࡢᡂ㛗ᡓ␎ࢆ᫂ࡽ࠿࡟ࡍࡿࡇ࡜࡛ࠊ➼㛫㝸ᛶࢆㄝ࡛᫂ࡁࡿ࡛࠶ࢁ࠺ࠋ

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹཎ˓ᜒࠖ
ȷி҅‫ܖٻ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ૠ‫ܖ‬ᲦҦٟᲢྸ‫ܖ‬Უᄂ ᆮ ϋ ܾᲴ Ӓࣖਘ૝૾ᆉࡸᲦȑǿȸȳ࢟঺բ᫆Ʒૠྸႎᚐௌ

ᄂᆮңщᎍ

ဃཋ∝໯ဃཋ↝‒ᨼ‫ׇ‬ⅻ࢟঺ↈ↺ᆃࡀ⇷⇥∞∙‒
஛௅ , ̮ࢠ SUEMATSU J. Nobuhiko৑ ‫ ޓ‬ȷ ࢫ Ꮀ Ჴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹཎ˓ᜒࠖ
ȷሇඬ‫ܖٻ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮ Ჴ ཋྸ҄‫ܖ‬ᲦҦٟᲢྸ‫ܖ‬Უᄂ ᆮ ϋ ܾ Ჴ ࣇဃཋƷᨼ‫ׇ‬ᢃѣƴǑǔ߾ᙻႎƳ଺ᆰ᧓ȑǿȸȳᲦ໯ဃཋኒᐯ
ࢷᢃѣቩ‫܇‬Ʒᨼ‫ׇ‬ᢃѣᲦᅕኺ᠆ኧƷኽӳኒƴƓƚǔᄩྙσᯚGCOE Research Fellowsᄂᆮಒᙲ䜰䝸䛾⾜ิ䜔㨶䛾⩌䜜䠈Ώ䜚㫽䛾㝲ิ䛺䛹䠈⏕≀䛷䛿㞟ᅋ㐠ື䛻䜘䜛᫬✵㛫䝟䝍䞊䞁䛾ᙧᡂ䛜ㄆ䜑䜙䜜䜎䛩䚹䛣䜜䜙䛾㞟ᅋ䝟䝍䞊䞁䛿㑇ఏᏊ䛻䝥䝻䜾䝷䝮䛥䜜䛶䛔䜛䜟䛡䛷䜒䠈ಶయ䛾㐠ື≉ᛶ䛜」㞧䛺䜟䛡䛷䜒䛒䜚䜎䛫䜣䚹༢⣧䛺ಶయ䛾㐠ື≉ᛶ䛛䜙㞟ᅋ䛾⛛ᗎᵓ㐀䛜⏕䜎䜜䜛ᶵᵓ䛾ゎ᫂䛿䠈⏕࿨⌧㇟䜢⌮ゎ䛩䜛୍䛴䛾᭷ຠ䛺ᡭẁ䛷䛩䚹ᮏ◊✲䛷䛿䠈༢య䛾ᣲື䛜ẚ㍑ⓗ༢⣧䛺䠈ᚤ⏕≀䜔⮬Ⓨⓗ䛻㐠ື䛩䜛↓⏕≀䛥䜙䛻䛿໬Ꮫ཯ᛂἼ䜢ᑐ㇟䛸䛧䛶䚸䛭䜜䜙䛾㞟ᅋ㐠ື䜢ほᐹ䛧䠈Ⓨ⌧䛥䜜䜛᫬✵㛫䝟䝍䞊䞁䛾ᙧᡂᶵᵓ䛾ゎ᫂䜢ヨ䜏䛶䛔䜎䛩䚹䝭䝗䝸䝮䝅䛸䛔䛖ᚤ⏕≀䛿ග䛻ᑐ䛧䛶ᛂ⟅䛧䜎䛩䚹ᙉ䛔ග䜢↷ᑕ䛩䜛䛸䚸ග※䜢㑊䛡䜛᪉ྥ䛻㐟Ὃ䛩䜛䛂㈇䛾㉮ගᛶ䛃䜢♧䛧䜎䛩䚹䛣䛾ᚤ⏕≀䛾ᇵ㣴ᾮ䜢ᐦ㛢䛧䛯ⷧ䛔ᐜჾ䛻㛢䛨㎸䜑䛶䚸ୗ䛛䜙ᙉ䛔ග䜢↷ᑕ䛩䜛䛸䚸⣽⬊ᐦᗘ䛾㧗䛔㡿ᇦ䛜䝇䝫䝑䝖≧䛻ᙧᡂ䛥䜜䜎䛩䚹䛣䛾⣽⬊ᐦᗘ䛾᫬✵㛫䝟䝍䞊䞁䛿ᑐὶ䛻䜘䜚ᙧᡂ䛥䜜䛶䛔䜎䛩䚹㔜せ䛺䛾䛿䚸䛣䛾ᑐὶ䝟䝍䞊䞁䛜ᒁᡤⓗ䛻ᙧᡂ䛥䜜䜛䛸䛔䛖䛣䛸䛷䛩䚹䛣䛾ᒁᅾ໬䛜䛹䛾䜘䛖䛺ᶵᵓ䛷ᘬ䛝㉳䛣䛥䜜䜛䛾䛛䜢᫂䜙䛛䛻䛩䜛䛯䜑䛻䚸ᑐὶ䝟䝍䞊䞁䛾ගᙉᗘ౫Ꮡᛶ䛻䛴䛔䛶ㄪ䜉䛶䛔䜎䛩䚹䛭䛾⤖ᯝ䚸ගᙉᗘ䛜㧗䛟䛺䜛䛸✵㛫࿘ᮇ䛜▷䛟䛺䜛䛣䛸䛜ศ䛛䜚䜎䛧䛯䠄ᅗ䠍䠅䚹䛣䜜䜙䛾⤖ᯝ䜢ᩘ⌮䝰䝕䝹䛸ẚ㍑䛧䚸ᒁᅾ໬䛾ᶵᵓゎ᫂䜢㐍䜑䛶䛔䜎䛩䚹↓⏕≀⣔䛷䛿䚸Ỉ㠃䜢⮬Ⓨⓗ䛻⁥㉮䛩䜛ᶋ⬻⯪䛻╔┠䛧䛶䛔䜎䛩䚹᪤䛻䚸ᶋ⬻⯪䜢䠍ḟඖỈ㊰䛻ከᩘᾋ䛛䜉䜛䛸䚸஺㏻ὶ䛻㢮ఝ䛧䛯ᣲື䛜☜ㄆ䛷䛝䜛஦䚸䛚䜘䜃ሢ䛷⁥㉮䛩䜛䜽䝷䝇䝍䞊䝰䞊䝗䜢ᐇ㦂ⓗ䛻☜ㄆ䛧䚸๓⪅䛻䛴䛔䛶䛿ᩘ⌮䝰䝕䝹䛷⌮ㄽⓗ䛺ゎᯒ䜢⾜䛳䛶䛚䜚䜎䛧䛯䚹௒ᖺᗘ䛿䚸ᚋ⪅䛾䜽䝷䝇䝍䞊䝰䞊䝗䛻䛴䛔䛶䚸ᗈᓥ኱Ꮫ䛾す᳃ᣅᩍᤵ䛸䛭䛾኱Ꮫ㝔⏕䛸ඹྠ䛷ᩘ⌮ⓗ䛺ゎᯒ䜢㐍䜑䜎䛧䛯䚹⌧ᅾ䛿䚸䛭䛾⤖ᯝ䜢ཷ䛡䛶ᐇ㦂䛷䜽䝷䝇䝍䞊䝰䞊䝗䛜⌧䜜䜛᮲௳䜢᥈⣴䛧䛶䛔䜎䛩䚹䛥䜙䛻䚸䠎ḟඖ䛻ᣑᙇ䛧䚸ᶋ⬻⢏䛾㞟ᅋ䛜㐠ື䛸೵Ṇ䜢⧞䜚㏉䛩㞟ᅋ㛫Ḟ㐠ື䜢ほᐹ䛧䜎䛧䛯䠄ᅗ䠎䠅䚹䛣䛾⌧㇟䛿䛴䜎䜚䚸༢య䛷䛿⌧䜜䛺䛛䛳䛯᫬㛫ⓗ⛛ᗎ䛜㞟ᅋ䛷Ⓨ⌧䛥䜜䛯㞟ᅋ㐠ື䛸䛺䜚䜎䛩䚹㻌 㻌
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㻌 ᅗ䠍䠊ᑐὶ䝟䝍䞊䞁䛾ගᙉᗘ౫Ꮡᛶ㻌 㻌 㻌 㻌 㻌 㻌 ᅗ䠎䠊ᶋ⬻⢏༢య䛚䜘䜃㞟ᅋ䛾㏿ᗘ䝥䝻䝣䜯䜲䝹㻌

ɶ஭ԧ࠳

ᄂᆮңщᎍ

᩼ዴ࢟଺ኒЗᚐௌ৖ඥ↝ᢘဇ↚↷↺‒߻‫∝ܖ‬ኺฎ⇭∞⇥ᚐௌ‒
NAKAMURA Kazuyukiᄂᆮಒᙲᮏᖺᗘ䛿䠈⢏Ꮚ䝣䜱䝹䝍䛸䛭䜜䛻ᇶ䛵䛟䝕䞊䝍ྠ໬䛾ලయⓗ䛺ᛂ⏝䠈䛺䜙䜃䛻⤒῭᫬⣔ิゎᯒ䜢୰ᚰ䛻◊✲䜢㐍䜑䛯䚹䝕䞊䝍ྠ໬䛸䛿䠈ᐇ㝿䛾⌧㇟䜢ᶍೌ䛩䜛ィ⟬ᶵ䝅䝭䝳䝺䞊䝅䝵䞁䛸䠈⌧ᐇ䛻ほ䛧䛶᪂䛯䛺▱ぢ䜢⋓ᚓ䛧䠈䜎䛯ᐇ⌧㇟䛾ண䛥䜜䛯䝕䞊䝍䜢⤫ྜ⢭ᗘ䜢ྥୖ䛩䜛ᡭἲ䛷䛒䜛䚹㏆ᖺ䛾᝟ሗ㏻ಙᢏ⾡䛸ィ⟬ᢏ⾡䛾Ⓨ㐩䛻క䛳䛶䠈ᖜᗈ䛔ศ㔝䛷ᛂ⏝䛥䜜䜛䜘䛖䛻䛺䛳䛶䛝䛶䛔䜛䚹ᮏᖺᗘ䜒᫖ᖺᗘ䛻ᘬ䛝⥆䛝䠈⢏Ꮚ䝣䜱䝹䝍䛻䜘䜛䝕䞊䝍ྠ໬䛻䛴䛔䛶◊✲䜢㐍䜑䛯䚹㠀⥺ᙧ᫬⣔ิゎᯒᡭἲ䛷䛒䜛⢏Ꮚ䝣䜱䝹䝍䛿䠈䝕䞊䝍ྠ໬㐺⏝䛻䛚䛡䜛᭷ຊ䛺ᡭἲ䛾୍䛴䛷䛒䜛䚹䛧䛛䛧䠈ከ㔞䛾ィ⟬ᶵ㈨※䜢ᚲせ䛸䛩䜛䛯䜑䛻䠈౛䛿ቑ䛘䛶䛝䛶䛔䜛䜒䛾䛾ᮍ䛰༑ศ䛷䛿䛺䛔䚹ᮏᖺᗘ䛿䠈ᆅ┙ᕤᏛ䝕䞊䝍ྠ໬䛸⤒῭≀⌮Ꮫ䝰䝕䝹䝕䞊䝍ྠ໬䜈䛾㐺⏝䛻䛴䛔䛶䛥䜙䛻◊✲䜢㐍䜑䛯䚹㻌 ᆅ┙ᕤᏛ䝕䞊䝍ྠ໬䛻䛴䛔䛶䛿䠈ᆅ┙䝕䞊䝍ゎᯒ䛾◊✲䜢ி㒔኱Ꮫ䞉ᒸᒣ኱Ꮫ䛾◊✲⪅䛸๓ᖺᗘ䛻ᘬ䛝⥆䛝㐍䜑䛯䚹≉䛻䠈䛣䜜䜎䛷㐍䜑䛶䛝䛯 SIS ἲ䛻䜘䜛ᙎረᛶᆅ┙ኚᙧ䝕䞊䝍ྠ໬䛻䛴䛔䛶⥙⨶ⓗ䛺ゎᯒ䜢⾜䛔䠈䛭䛾᭷ຠᛶ䞉㐺⏝ᛶ䜢ணᛶ⬟䛸䝟䝷䝯䞊䝍᥎ᐃ䛾୧㠃䛷☜ㄆ䛧䛯䚹◊✲ᡂᯝ䛿ඹⴭㄽᩥ䛸䛧䛶ᢞ✏୰䛷䛒䜛䚹㻌 ⤒῭≀⌮Ꮫ䝰䝕䝹䛷䛒䜛 PUCK 䝰䝕䝹䛻䛴䛔䛶䛿䠈๓ᖺᗘ䛻ᘬ䛝⥆䛝䠈⢏Ꮚ䝣䜱䝹䝍䛻䜘䜛䝫䝔䞁䝅䝱䝹୰ᚰ䛸≧ែ䛾┤᥋᥎ᐃ䜰䝹䝂䝸䝈䝮䛻䛴䛔䛶◊✲䜢㐍䜑䛯䚹ຍ䛘䛶䠈ᕷሙ≧ែ䛻㐺䛧䛯ศᕸ䛾ᵓᡂ䛸⢏Ꮚ䝣䜱䝹䝍䜢⤌䜏ྜ䜟䛫䜛䛣䛸䛷䠈㧗㏿䛻ᕷሙ䛾≧ែ䜢᥎ᐃ䛩䜛䜰䝹䝂䝸䝈䝮䜢䠈ᮾᕤ኱㧗Ᏻ෸ᩍᤵ䛺䜙䜃䛻⏤Ⰻ჆ၨẶ䛸䛸䜒䛻᪂䛯䛻㛤Ⓨ䛧䛯䚹ᙜヱᡭἲ䛻䛴䛔䛶䛿ඹྠ䛷≉チฟ㢪䛩䜛䛸䛸䜒䛻䠈㧗Ᏻ⚽ᶞᐈဨᩍᤵ䜒ຍ䜟䛳䛶ㄽᩥ໬䜢㐍䜑ᢞ✏䛧䛯䚹㻌 ⤒῭᫬⣔ิゎᯒ䛻䛴䛔䛶䛿䠈୰ᅜඖ䛾Ⅽ᭰᫬⣔ิ䛺䜙䜃䛻 BRICs ㅖᅜ䛾ᰴ౯᫬⣔ิ䛻ᑐ䛧䛶
KM2O-䝷䞁䝆䝳䞂䜯䞁᪉⛬ᘧㄽ᪉⛬ᘧㄽ䛻ᇶ䛵䛟ゎᯒ䜢⾜䛳䛯䚹ᡭἲ㠃䛷䛿䠈䠎✀㢮䛾᪂䛧䛔ゎᯒᡭἲ䜢኱Ꮫ㝔⏕䛸䛸䜒䛻㛤Ⓨ䛧䛯䚹୍䛴䜑䛿䠈䝎䜲䝘䝭䜽䝇ゎᯒ䛾⤖ᯝ䜢䜽䝷䝇䝍䝸䞁䜾䛩䜛䛣䛸䛷䠈㢮ఝ᫬⣔ิ㛫䛾䝎䜲䝘䝭䜽䝇䛾㐪䛔䜢Ⓨぢ䛩䜛ᡭἲ䛷䛒䜚䠈䜒䛖୍䛴䛿䠈ᅉᯝゎᯒ䛸䝖䝺䞁䝗䝰䝕䝹䜢⏝䛔䛯ศ㞳䜢⤌䜏ྜ䜟䛫䜛䛣䛸䛷䠈㛗ᮇ䝇䜿䞊䝹䛾ᅉᯝᛶ䛸▷ᮇ䝇䜿䞊䝹䛾ᅉᯝᛶ䛻ศ㞳䛩䜛ᡭἲ䛷䛒䜛䚹๓⪅䜢୰ᅜඖ䛾ᑐྛᅜ᫬⣔ิ䛻㐺⏝䛩䜛䛣䛸䛷䠈㤶䝗䝹䛻ᑐ䛩䜛ᣲື䛾㐪䛔䜢᫂䜙䛛䛻䛧䛯䚹䛥䜙䛻䠈୰ᅜ䛾ᆅ౯ᨻ⟇䛻䜘䜛ᙳ㡪䛾♧၀䜒ᚓ䛯䚹ᚋ⪅䛿㈨※౯᱁䛸 BRICs ㅖᅜ䛾㛫䛾ᅉᯝゎᯒ䛻⏝䛔䜙䜜䠈ㅖᅜ㛫䛷ᙳ㡪䛾ᙉ䛥䛰䛡䛷䛺䛟䠈᫬㛫䝇䜿䞊䝹䛾㐪䛔䛜䛒䜛䛣䛸䜒᫂䜙䛛䛻䛧䛯䚹

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ Ꮀ Ჴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹཎ˓ᜒࠖ
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ἒỶἜἱἁἋửཎࣉỀẬỦᴾᢡˡ‫܇‬἟ἕἚὁὊἁನᡯỉᚐௌᴾஙɦ̲ɟ KINOSHITA Shu-ichiᄂᆮಒᙲ৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢσӷᄂᆮՃᲣ
 )%1'ྵᝋૠྸ 52&‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ૠྸဃԡᅹ‫ܖ‬ᲦҦٟᲢྸ‫ܖ‬Უȷૼ๽‫ܖٻ‬ᄂ ᆮ ϋ ܾᲴ ᢡˡ‫܇‬ȍȃȈȯȸǯƱᢡˡ‫܇‬ႆྵȑǿȸȳƷ᧙̞Ღᢡˡ‫܇‬ȍȃȈȯȸǯƷᡶ҄

GCOE Research Fellows㏆ᖺ䚸Ⓨ⏕䜔⣽⬊䛾ᶵ⬟ゎ᫂䛾ほⅬ䛛䜙㑇ఏᏊ䝛䝑䝖䝽䞊䜽ᵓ㐀䛸㑇ఏᏊⓎ⌧䛾㛵ಀ䜢᫂䜙䛛䛻䛩䜛◊✲䛜ᩘከ䛟⾜䜟䜜䛶䛔䜛䚹䛭䛾୰䛷䜒ᮏ◊✲䛷䛿⌧㇟ᩘ⌮Ꮫ䛾1䛴䛾≉ᚩ䛷䜒䛒䜛༢⣧䛺䝰䝕䝹䜢⏝䛔㑇ఏᏊ䝛䝑䝖䝽䞊䜽ᵓ㐀䛸㑇ఏᏊⓎ⌧䛾㛵ಀ䜢᫂䜙䛛䛻䛩䜛஦䜢┠ᣦ䛧䚸≉䛻㑇ఏᏊⓎ⌧䛻ᙳ㡪䜢୚䛘䜛㑇ఏᏊ䝛䝑䝖䝽䞊䜽䛾ᙺ๭䜢᫂䜙䛛䛻䛧䛯䚹ᮏ◊✲䛷䛿᫖ᖺᗘ䠄2010 ᖺᗘ䠅䛻ᘬ䛝⥆䛝䚸E.Coli(k-12)䛾㑇ఏᏊ䝕䞊䝍䝧䞊䝇䠄RegulonDB version6.0 http://regulondb.ccg.unam.mx/䠅䛛䜙ᢳฟ䛧䛯㑇ఏᏊไᚚ䝛䝑䝖䝽
䞊䜽䠄GRNs䠅䜢⏝䛔䚸㑇ఏᏊⓎ⌧䝎䜲䝘䝭䜽䝇䛸䛧䛶䛿 F.Li ➼䠄Proc. Natl. Aad. Sci, 101, 4782 (2004)䠅䛜ᥦ᱌䛧䛯㜈್䝎䜲䝘䝭䜽䝇䜢᥇⏝䛧䛯䚹F.䠨䡅➼䛿 Yeast ⳦䛾⣽⬊࿘ᮇ䜢ไᚚ䛩䜛㑇ఏᏊ䝛䝑䝖䝽䞊䜽䜢⏝䛔䚸ୖグ䛾㜈್䝎䜲䝘䝭䜽䝇ゎᯒ䛛䜙䜰䝖䝷䜽䝍䞊ᩘ䚸basin䛾኱䛝䛥䚸basin 䛾ᵓ㐀➼䜢ㄪ䜉䜛஦䛷䚸⣽⬊࿘ᮇ䛜䝜䜲䝈䛻ᑐ䛧䛶䝻䝞䝇䝖䛷䛒䜛䛣䛸䜢᫂䜙䛛䛻䛧䛶䛔䜛䚹㜈್䝎䜲䝘䝭䜽䝇䛻䛚䛔䛶䚸䛒䜛㑇ఏᏊ䛜௚䛾㑇ఏᏊ䛻୚䛘䜛ᙳ㡪䛿⥲࿴ⓗ䛻ᢅ䜟䜜䚸ẚ㍑ⓗ኱䛝䛺䝃䜲䝈䛾䝛䝑䝖䝽䞊䜽䜢⏝䛔䛶䜒ィ⟬䝁䝇䝖䛜኱䛝䛟䛺䜚㐣䛞䛺䛔䛸䛔䛖฼Ⅼ䛜䛒䜛䚹䛣䜜䜎䛷䚸ᡃ䚻䛿䝷䞁䝎䝮䝤䞊䝸䜰䞁䝎䜲䝘䝭䜽䝇䠄RBD䠅䜢⏝䛔ேᕤⓗ䛺䝛䝑䝖䝽䞊䜽䠄䝇䜿䞊䝹䝣䝸䞊䝛䝑䝖䝽䞊䜽䠅ୖ䚸ཬ䜃 E.Coli 䛾㑇ఏᏊ䝛䝑䝖䝽䞊䜽ୖ䛷䛾䜰䝖䝷䜽䝍䞊ゎᯒ䜢⾜䛳䛶䛔䜛䚹䛭䛣䛷䚸ᇵ䛳䛯◊✲ᡭἲ䜢⏝䛔䚸㜈್䝎䜲䝘䝭䜽䝇䛸䠮䠞D 䛾䜰䝖䝷䜽䝍䞊䛾≉ᚩ䚸≉䛻䝁䜰䝛䝑䝖䝽䞊䜽䛾᥎ᐃ䜢⾜䛳䛯䚹
E.Coli 䛾㑇ఏᏊ䝛䝑䝖䝽䞊䜽ୖ䛷㜈್䝎䜲䝘䝭䜽䝇䜢ᐇ⾜䛧 1000 ಶ䛾ึᮇ䝃䞁䝥䝹䜢ྲྀ䜚䜰䝖䝷䜽䝍䞊䜢ㄪ䜉䛯⤖ᯝ䚸RBD 䛾䜰䝖䝷䜽䝍䞊䛸␗䛺䜚㜈್䝎䜲䝘䝭䜽䝇䛷䛿ึᮇ್䝃䞁䝥䝹⛬ᗘ䛾䜰䝖䝷䜽䝍䞊䛜䜏䛴䛛䛳䛯䚹䛣䛾஦䛿䝁䜰䝛䝑䝖䝽䞊䜽䛾᥎ᐃ䛜 RBD 䛸㜈್䝎䜲䝘䝭䜽䝇䛷䛿኱䛝䛟␗䛺䜛஦䜢ព࿡䛩䜛䚹䛥䜙䛻䚸䜰䝖䝷䜽䝍䞊䛾≉ᚩ䜢ヲ䛧䛟ㄪ䜉䜛䛯䜑䛻䚸඲䛶䛾䜰䝖䝷䜽䝍䞊䝃䞁䝥䝹䛻䛚䛔䛶䛒䜛୍ᐃ䛾್䜢ྲྀ䜚⥆䛡䜛ᅛᐃ䝜䞊䝗䜢ぢ䛴䛡䚸ᅛᐃ䝜䞊䝗௨እ䛾䝜䞊䝗䛾≧ែ䜢ኚ໬䛥䛫䜛஦䛷䜰䝖䝷䜽䝍䞊䛾basin 䛾኱䛝䛥䜢䜛┤䛩䚹䛣䜜䛿䜰䝖䝷䜽䝍䞊䜢ᵓᡂ䛩䜛䝜䞊䝗䛾୰䛷䜰䝖䝷䜽䝍䞊䛾ᛶ㉁䛻㛵䜟䜛䝁䜰䝛䝑䝖䝽䞊䜽䜢᫂䜙䛛䛻䛩䜛஦䛻⧅䛜䜛䚹䛭䛾⤖ᯝ䚸ᅛᐃ䝜䞊䝗௨እ䛾䝜䞊䝗䛿 basin 䛾኱䛝䛥䜢኱䛝䛟ኚ໬䛥䛫䜛䛣䛸䛜ศ䛛䛳䛯䚹䛣䛾⤖ᯝ䛛䜙䚸ᅛᐃ䝜䞊䝗௨እ䛾䝜䞊䝗䛿䜰䝖䝷䜽䝍䞊䛻䛸䛳䛶㔜せ䛺ᙺ๭䜢₇䛨䛶䛔䜛஦䛜᫂䜙䛛䛻䛺䛳䛯䚹ୖグ䛾ᡭἲ䜢⏝䛔䛶䚸㑇ఏᏊ䝛䝑䝖䝽䞊䜽ᵓ㐀䜢ᑠ䛥䛟䛧䝁䜰䝛䝑䝖䝽䞊䜽䜢ぢฟ䛩஦䛷≧ែ✵㛫䜢ᅽ⦰䛧㑇ఏᏊ䝛䝑䝖䝽䞊䜽ୖ䛷䛾䜰䝖䝷䜽䝍䞊䛾≉ᚩ䜢᫂䜙䛛䛻䛩䜛஦䜢௒ᚋ䛾ㄢ㢟䛸䛩䜛䚹≉䛻⏕≀Ꮫⓗ䛻㔜せ䛺ព࿡䜢ᣢ䛴䛸⪃䛘䜙䜜䜛኱䛝䛺 Basin䜢䜒䛴䜰䝖䝷䜽䝍䞊䜢ᘬ䛝ฟ䛧䚸䛭䛾ຊᏛⓗ≉ᚩ䜢ᤊ䛘䜛◊✲䜈䛸㐍ᒎ䛩䜛஦䜢┠ᣦ䛩䚹⚾䛿䛣䜜䜎䛷ேᕤⓗ䛺䝛䝑䝖䝽䞊䜽䜢ㄪ䜉䚸䝛䝑䝖䝽䞊䜽ᵓ㐀䛾㐪䛔䛜䜰䝖䝷䜽䝍䞊䛾≉ᚩ䛻㐪䛔䜢䜒䛯䜙䛩஦䜢᫂䜙䛛䛻䛧䛯䚹䛥䜙䛻䚸䛣䛾䜰䝖䝷䜽䝍䞊䛾≉ᚩ䛾㐪䛔䛜 ICL 䛸࿧䜀䜜䜛䝁䜰䝛䝑䝖䝽䞊䜽䛻⌧䜜䜛஦䜢᫂䜙䛛䛻䛧䛯䚹䛭䛣䛷䚸䛣䜜䜙䛾▱ぢ䜢⏕䛛䛧䚸⌧ᐇ䛾㑇ఏᏊ䝕䞊䝍䝧䞊䝇䛛䜙䝛䝑䝖䝽䞊䜽ᵓ㐀䜢ྲྀ䜚ฟ䛧䚸༢⣧䛺䝰䝕䝹䜢ᗄ䛴䛛⏝䛔䛭䜜䛮䜜䛾䝎䜲䝘䝭䜽䝇䛻䛸䛳䛶㔜せ䛺䝛䝑䝖䝽䞊䜽ᵓ㐀䠄䝁䜰䝛䝑䝖䝽䞊䜽䠅䜢ྲྀ䜚ฟ䛩䚹䛭䛧䛶䚸䛭䜜䜙䛾䝁䜰䝛䝑䝖䝽䞊䜽䜢ẚ㍑䛧䝰䝕䝹䛾ヲ⣽䛻㛵䜟䜙䛪㔜せ䛺䝛䝑䝖䝽䞊䜽ᵓ㐀䜢ぢ䛴䛡ฟ䛩䚹⚾䛿᪤䛻኱⭠⳦䛾㑇ఏᏊไᚚ⣔䛾䝕䞊䝍䝧䞊䝇䛷䛒䜛 RegulonDB䠄ver.6.0䠅䜢⏝䛔㑇ఏᏊ䝛䝑䝖䝽䞊䜽䜢ྲྀ䜚ฟ䛧䚸䝛䝑䝖䝽䞊䜽ᵓ㐀ゎᯒ䚸䝷䞁䝎䝮䝤䞊䝸䜰䞁䝎䜲䝘䝭䜽䝇䠄RBD䠅䛻ᇶ䛵䛟䜰䝖䝷䜽䝍䞊ゎᯒ䚸䝁䜰䝛䝑䝖䝽䞊䜽䛾ᢳฟ䜢⾜䛳䛶䛔䜛䚹䛣䛾◊✲䜢䛥䜙䛻㐍䜑䚸RBD ௨እ䛻㜈್䝎䜲䝘䝭䜽䝇䜔㐃⥆್䝰䝕䝹䜢⏝䛔䜰䝖䝷䜽䝍䞊䛾ゎᯒ䜢㐍䜑䚸䝁䜰䝛䝑䝖䝽䞊䜽䛾ᢳฟ䜢ヨ䜏䜛䚹䛥䜙䛻䚸䛣䜜䜙䛾䝁䜰䝛䝑䝖䝽䞊䜽䛜ᐇ㝿䛾⣽⬊䛻䛸䛳䛶㔜せ䛺䜒䛾䛷䛒䜛䛛ྰ䛛䛻䛴䛔䛶⌧ᐇ䛾⣽⬊䛸䛾ᑐᛂ䜒⪃ᐹ䛩䜛䚹ୖグ䛾┠ⓗ䛻ᚑ䛔䚸E.Coli 䛾㑇ఏᏊ䝛䝑䝖䝽䞊䜽ୖ䛷㜈್䝎䜲䝘䝭䜽䝇䜢ᐇ⾜䛧䛯䚹1000 ಶ䛾ึᮇ䝃䞁䝥䝹䜢ྲྀ䜚䜰䝖䝷䜽䝍䞊䜢ㄪ䜉䛯⤖ᯝ䚸Boolean 䝎䜲䝘䝭䜽䝇䛾䜰䝖䝷䜽䝍䞊䛸␗䛺䜚㜈್䝎䜲䝘䝭䜽䝇䛷䛿ึᮇ್䝃䞁䝥䝹⛬ᗘ䛾䜰䝖䝷䜽䝍䞊䛜䜏䛴䛛䛳䛯䚹䛣䛾஦䛿䝁䜰䝛䝑䝖䝽䞊䜽䛾᥎ᐃ䛜 Boolean 䝎䜲䝘䝭䜽䝇䛸㜈್䝎䜲䝘䝭䜽䝇䛷䛿኱䛝䛟␗䛺䜛஦䜢ព࿡䛧䛶䛔䜛䚹䛭䛣䛷䚸䜰䝖䝷䜽䝍䞊䛾≉ᚩ䜢ヲ䛧䛟ㄪ䜉䜛䛯䜑䛻඲䛶䛾䜰䝖䝷䜽䝍䞊䝃䞁䝥䝹䛻䛚䛔䛶ඹ㏻䛧䛶䛒䜛୍ᐃ䛾್䜢ྲྀ䜚⥆䛡䜛䚸ᅛᐃ䝜䞊䝗䜢ぢ䛴䛡ᅛᐃ䝜䞊䝗௨እ䛾䝜䞊䝗䛾≧ែ䜢ኚ໬䛥䛫䜰䝖䝷䜽䝍䞊䛾䝧䜲䝅䞁䛾኱䛝䛥䜢 䜛䚹䛣䜜䛿䚸ᅽ⦰䛥䜜䛯 E.Coli 䛾㑇ఏᏊ䝛䝑䝖䝽䞊䜽䛾඲≧ែ✵㛫䛷䛩䜙䚸N=2^35 䛾≧ែᩘ䛜䛒䜛䛸ゝ䛖஦䛛䜙☜ᐇ䛻ᚲせ䛸䛺䜛ᡭẁ䛷䛒䜛䚹≧ែ✵㛫䜢⤠䛳䛶㑇ఏᏊ䝛䝑䝖䝽䞊䜽ୖ䛻Ꮡᅾ䛩䜛䜰䝖䝷䜽䝍䞊䛾≉ᚩ䜢ㄪ䜉䜛஦䛷䚸኱䛝䛺 Basin 䜢䜒䛴䜰䝖䝷䜽䝍䞊䜢ᘬ䛝ฟ䛧䚸䛭䛾ຊᏛⓗ≉ᚩ䜢ᤊ䛘䜛◊✲䜈䛸㐍ᒎ䛩䜛஦䛜ฟ᮶䜛䚹䛥䜙䛻୍ᐃ䛾ᡂᯝ䛜ฟ䛯㝿䛻䛿⏕≀Ꮫ⪅䛸䛭䛾䜰䝖䝷䜽䝍䞊䛾ព࿡௜䛡䛻䛴䛔䛶㆟ㄽ䛩䜛஦䜈䛸䛴䛺䛜䜛䚹ᄂᆮңщᎍ

Сኖↄ↻↎࢟ឋⅺ↸↝ᢘࣖ‒≝ᨕဃࠇ᝝↝൉࢟७‫ߣޢ‬ʰ‫ ܇‬OKAJIMA Ryokoᄂᆮಒᙲ⏕≀䛾ᙧែ䛿䠈䛭䛾ᶵ⬟䜔ไ⣙䛸䛔䛳䛯せᅉ䛾୰䛷䠈䛹䛾䜘䛖䛻Ỵᐃ䛥䜜䜛䛾䛰䜝䛖䛛䚹䛣䛾ၥ㢟䛻㏕䜛䛯䜑䠈㝣⏕ᕳ㈅䛾Ẇᙧែ䠖Ẇ䛾ഴ䛝䛻↔Ⅼ䜢䛒䛶䛶◊✲䜢⾜䛳䛯䚹㝣⏕ᕳ㈅䛾Ẇᙧែ䛿䠈䛭䜜䛮䜜䛾⏕⫱⎔ቃ䛻䛚䛡䜛䝞䝷䞁䝇䛻䜘䛟㐺ᛂ䛧䛶䛔䜛䛣䛸䛜♧䛥䜜䛶䛝䛯䚹᭦䛻䠈ᕳẆ䛾ᙧᡂᵝᘧ䛛䜙⏕䛪䜛ᗄఱᏛⓗไ⣙䜒䠈Ẇ䛾䜰䜴䝖䝷䜲䞁䛻ᙳ㡪䛧䛶䛔䜛䛣䛸䛜᫂䜙䛛䛸䛺䛳䛶䛔䜛䚹ไ⣙䛸ᶵ⬟ⓗせㄳ䛜䛹䛾䜘䛖䛻⤡䜏ྜ䛔䠈䛭䛾୰䛷䠈⏕≀ᙧែ䛜䛹䛾䜘䛖䛻ᐇ⌧䛥䜜䛶䛔䜛䛾䛛䛸䛔䛖ၥ㢟䛿䠈㐍໬Ꮫ䜔ྂ⏕≀Ꮫ䛾ศ㔝䛺䛹䛷ᵝ䚻䛺㆟ㄽ䛜ᡂ䛥䜜䛶䛝䛯䚹䛧䛛䛧䠈ᐇ㝿䛾⏕≀䛻䛚䛔䛶ไ⣙䛸㐺ᛂ䜢䛭䜜䛮䜜ᐃ㔞໬䛧䠈ẚ㍑䛩䜛
䜘䛖䛺ヨ䜏䛿䜋䛸䜣䛹ᡂ䛥䜜䛶䛣䛺䛛䛳䛯䚹䜎䛯䠈Ẇ䛾ഴ䛝䛿䠈㝣⏕ᕳ㈅䛷䛿䝞䝷䞁䝇䜢䠈Ỉ⏕ᕳ㈅䛷䛿ὶయ᢬ᢠ䛺䛹䜢ᕥྑ䛩䜛䜘䛖䛺㠀ᖖ䛻㔜せ䛺せ⣲䛷䛒䜛䛻䜒䛛䛛䜟䜙䛪䠈◊✲䛜䜋䛸䜣䛹ᡂ䛥䜜䛶䛔䛺䛔䚹䛭䛣䛷䠈㝣⏕ᕳ㈅䛾Ẇ䛾ഴ䛝䛻䛿䠈ᗄఱᏛⓗ䛻ไ⣙䛥䜜䛯ᙧ≧䛛䜙䠈䝞䝷䞁䝇䛻㐺ᛂⓗ䛸䛺䜛䜘䛖䛺⿵ṇ䜢䛩䜛䛣䛸䛷㝣ୖ⎔ቃ䛻㐺ᛂ䛧䛶䛝䛯䛸䛔䛖సᴗ௬ㄝ䜢䛯䛶䠈䛣䜜䜢᳨ド䛧䛯䚹䜎䛪䠈Okamoto 䝰䝕䝹䜢⏝䛔䛶䠈୍ᐃ䛾䝹䞊䝹䛷ᡂ㛗䛩䜛䜘䛖䛺ᇶᮏⓗ䛺ᙧែ䛾ᕳẆ䜢⌮ㄽⓗ䛻ᥥ䛝䠈䛭䛾ഴ䛝䜢ィ 䛧䛯䚹ḟ䛻䠈ྛᙧ≧䛾Ẇ䛻䛸䛳䛶䝞䝷䞁䝇䛜᭱㐺䛸䛺䜛䜘䛖䛺ഴ䛝䜢䠈≀⌮䝰䝕䝹䛻䜘䛳䛶᥎ᐃ䛧䛯䚹䛣䛾⤖ᯝ䠈ᕳẆ䛜ᗄఱᏛⓗ䛻ྲྀ䜚䜔䛩䛔ഴ䛝䠄ไ⣙䠅䛿䠈䝞䝷䞁䝇䜈䛾㐺ᛂ್䠄ᶵ⬟ⓗせㄳ䠅䛸㏫䛾ഴྥ䜢䜒䛴䛣䛸䛜ศ䛛䛳䛯䚹䛷䛿䠈ᐇ㝿䛾㈅䛿ไ⣙䛻䜘䛳䛶䠈䝞䝷䞁䝇䛾ᝏ䛔ゅᗘ䛻Ẇ䜢ഴ䛡䛶⛣ື䛧䛶䛔䜛䛾䛰䜝䛖䛛䚹䛭䜜䛸䜒䠈ఱ䜙䛛䛾⿵ṇ䛻䜘䛳䛶䠈䝞䝷䞁䝇䛻㐺䛧䛯ゅᗘ䛷Ẇ䜢㐠䜣䛷䛔䜛䛾䛰䜝䛖䛛䚹䛣䛾ၥ㢟䜢᳨ド䛩䜛䛯䜑䠈㈅Ẇ䛾ᙧែィ 䛸䠈㝣⏕ᕳ㈅䛾⾜ືほᐹ䜢⾜䛳䛯䚹䛭䛾⤖ᯝ䠈㈅䛿䛭䛾Ẇ䛾᭱ᚋ䛾୍ᕳ䛝䛻䛚䛔䛶䠈䝞䝷䞁䝇䛻㐺䛧䛯ྥ䛝䛻㏆䛵䛟䜘䛖䛺᤟䜚䠄Ẇᙧᡂ䛻䛚䛡䜛⿵ṇ䠅䜢䜒䛴䛣䛸䠈᭦䛻⛣ື୰䛻䛿䠈㌾య㒊䛻䜘䛳䛶Ẇ䛜䝞䝷䞁䝇䛻㐺䛧䛯ྥ䛝䛻ഴ䛟䛣䛸䠄⾜ື䛻䜘䜛⿵ṇ䠅䛜᫂䜙䛛䛸䛺䛳䛯䚹ᮏ◊✲䛾⤖ᯝ䛻䜘䜚䠈ไ⣙䛛䜙㐺ᛂⓗ䛺ᙧ㉁䜈䛸㏆䛵䛡䜛䜘䛖䛺⿵ṇ䛜䠈ᐇ㝿䛾⏕≀䛾Ⓨ⏕㐣⛬䜔⾜ື䛻䛚䛔䛶䠈ึ䜑䛶ᐃ㔞ⓗ䛻᳨ฟ䛥䜜䛯䚹

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢȝǹȈȷȉǯǿȸᲣ )%1'ྵᝋૠྸ 2&ȷி҅‫ܖٻ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ૠྸဃཋ‫ܖ‬ᲦҦٟᲢဃԡᅹ‫ܖ‬Უᄂ ᆮ ϋ ܾᲴ ૠྸဃཋ‫ܖ‬Ღྸᛯ࢟७‫ܖ‬ᲦȐǤǪȡǫȋǯǹᄂᆮңщᎍ

ನᡯ҄ဃ७ኒἴἙἽỉᄂᆮᴾʻ ᨙя KON Ryusuke

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢȝǹȈȷȉǯǿȸᲣ )%1'ྵᝋૠྸ 2&ȷ᩺‫ܖٻޢ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ૠྸဃཋ‫ܖ‬ᲦҦٟᲢྸ‫ܖ‬Უᄂ ᆮ ϋ ܾᲴ ૠྸဃཋ‫ܖ‬Ღщ‫ܖ‬ኒྸᛯƷࣖဇᄂᆮಒᙲ
Lotka-Volterra ᪉⛬ᘧ䜔 Kolmogorov ᪉⛬ᘧ䛾䜘䛖䛺䠈䛔䜟䜖䜛ྂ඾ⓗ䛺⏕ែ⣔䝰䝕䝹䛷䛿䠈ྛ⏕≀✀䛾✀ෆᵓ㐀䛜↓ど䛥䜜䛶䛔䜛䚹䛴䜎䜚䠈ྛ⏕≀✀䛾✵㛫ศᕸ䜔ᖺ㱋ศᕸ䛺䛹䛿↓ど䛥䜜䛶䛚䜚䠈ྠ୍✀䛾ಶయ⩌䛿ᆒ୍䛾ಶయ䛻䜘䛳䛶ᵓᡂ䛥䜜䛶䛔䜛䛸௬ᐃ䛥䜜䛶䛔䜛䚹䛣䛾௬ᐃ䛿䠈ᐜ᫆䛻ศ䛛䜛䜘䛖䛻䠈ከ䛟䛾⏕≀䛻ᑐ䛧䛶ᙜ䛶䛿䜎䜙䛺䛔䚹౛䛘䜀᪻⹸䛷䛒䜜䜀䠈ྠ୍✀䛾ಶయ䛷䜒䠈ᡂ⹸䛿⦾Ṫ䛩䜛䛜༸䠈ᗂ⹸䠈⻈䛿⦾Ṫ䛧䛺䛔䛯䜑䛷䛒䜛䚹䛣䜜䜎䛷⏕≀䛾ಶయᩘኚື䛾䝟䝍䞊䞁䜢ㄝ᫂䛩䜛䛯䜑䛻◊✲䛥䜜䛶䛝䛯⏕ែ⣔䝰䝕䝹䛾ከ䛟䛿䠈✀ෆᵓ㐀䜢↓ど䛧䛶䛔䜛䚹䛭䛾䛯䜑䠈✀ෆᵓ㐀䛜ಶయᩘኚື䛻Ỵᐃⓗ䛺ᙳ㡪䜢ཬ䜌䛩ሙྜ䛻䛿⌧㇟䛾ᮏ㉁䜢ᤊ䛘䜛䛣䛸䛜ฟ᮶䛺䛔䚹䛭䛣䛷䠈⌧ᅾ䠈✀ෆᵓ㐀䜢⪃៖䛧䛯⏕ែ⣔䝰䝕䝹䠄௨ୗ䛷䛿䠈ᵓ㐀໬⏕ែ⣔䝰䝕䝹䛸࿧䜆䠅䜢ᵓ⠏䛧䠈䛭䛾≉ᚩ䜢◊✲䛧䛶䛔䜛䚹✀ෆᵓ㐀䛾୰䛷䜒䠈Semelparous 䛸࿧䜀䜜䜛ᖺ㱋ᵓ㐀䜢௬ᐃ䛧䛯䛸䛝䠈ᵓ㐀໬⏕ែ⣔䝰䝕䝹䛿
Lotka-Volterra ᪉ ⛬ ᘧ 䛻 䜘 䛳 䛶 ㏆ ఝ 䛩 䜛 䛣 䛸 䛜 䛷 䛝 䜛 䚹 䛭 䛣 䛷 䠈 䛣 䛾 ㏆ ఝ 䛻 䜘 䛳 䛶 Ⓩ ሙ 䛩 䜛
Lotka-Volterra ᪉⛬ᘧ䛾䝎䜲䝘䝭䜽䝇䜢ศ㢮䛩䜛䛣䛸䛻䜘䜚䠈✀ෆᵓ㐀䛜⏕ែ⣔䛾Ᏻᐃᛶ䛻୚䛘䜛ᙳ㡪䜢ㄪ䜉䛯䚹✀ෆᵓ㐀䛸✀㛫ᵓ㐀䜢⊂❧䛻ᢅ䛳䛯ᚑ᮶䛾◊✲䛛䜙䠈ᵓ㐀໬⏕ែ⣔䝰䝕䝹䛜୙Ᏻᐃ໬䛩䜛䠎䛴䛾せᅉ䛿᫂䜙䛛䛷䛒䜛䚹䠍䛴䛿✀㛫┦஫స⏝䛻䜘䛳䛶㉳䛣䜛୙Ᏻᐃ໬䠈䛭䛧䛶䜒䛖୍䛴䛿✀ෆ┦஫స⏝䛻䜘䛳䛶㉳䛣䜛୙Ᏻᐃ໬䛷䛒䜛䚹௒ᅇ䠈Lotka-Volterra ᪉⛬ᘧ䜢⏝䛔䛯ゎᯒ䛻䜘䜚䠈ᵓ㐀໬⏕ែ⣔䝰䝕䝹䜢୙Ᏻᐃ໬䛥䛫䜛䠏䛴┠䛾せᅉ䛜᫂䜙䛛䛻䛺䛳䛯䚹䛣䛾୙Ᏻᐃ໬䛿䠈䠎✀㛫䛾⏕άྐ䛾㛗䛥䛜ㄪ࿴ⓗ䛺䛸䛝䛻䛰䛡㉳䛣䜚䠈✀㛫┦஫స⏝䛸✀ෆ┦஫స⏝䜢ู䚻䛻ぢ䛶䛔䛯䛾䛷䛿ศ䛛䜙䛺䛔⌧㇟䛷䛒䜛䚹
䜎䛯䠈䛣䛾䠏䛴┠䛾୙Ᏻᐃ໬䛜㉳䛣䜛䛯䜑䛾ᚲせ᮲௳䜢ㄪ䜉䛯䚹䛣䛾᮲௳䛿 Lotka-Volterra ᪉⛬ᘧ䛾◊✲ᡂᯝ䜢⏝䛔䜛䛣䛸䛻䜘䜚䠈୍⯡ⓗ䛺ᙧ䛷ᚓ䜛䛣䛸䛜䛷䛝䛯䚹ලయⓗ䛻䛿䠈ྛ⏕≀✀䛾⏕άྐ䛾㛗䛥䛜஫䛔䛻⣲䛷䛒䜜䜀䠈➨୕䛾୙Ᏻᐃ໬䛿㉳䛣䜙䛺䛔䛸䛔䛖⤖ᯝ䛷䛒䜛䚹⌧ᅾ䛿䠈୙Ᏻᐃ໬䛜㉳䛣䜛䛯䜑䛾༑ศ᮲௳䜢ㄪ䜉䛶䛔䜛䚹䜎䛯䠈ᵓ㐀໬⏕ែ⣔䝰䝕䝹䛾◊✲䛷ᚓ䛯୍⯡ⓗ䛺⤖ᯝ䜢ᛂ⏝䛧䠈䜰䝯䝸䜹ᮾ㒊䛻⏕ᜥ䛩䜛࿘ᮇ䝊䝭䛾ලయⓗ䛺ၥ㢟䛾ゎỴ䜢┠ᣦ䛧䛶䛔䜛䚹䛣䜜䜎䛷䛾◊✲䛛䜙䠈࿘ᮇ䝊䝭䛾࿘ᮇⓗ䛺኱Ⓨ⏕䜢ᘬ䛝㉳䛣䛩᪂䛧䛔䝯䜹䝙䝈䝮䛜᫂䜙䛛䛸䛺䛳䛯䚹௨ୖ䛾◊✲ᡂᯝ䛿䠈8th European Conference on Mathematical and Theoretical Biology䠈➨ 21 ᅇᩘ⌮⏕≀Ꮫ఍኱఍䠈᪥ᮏᩘᏛ఍ 2011 ᖺᗘ⛅Ꮨ⥲ྜศ⛉఍䠈➨䠔ᅇ䛂⏕≀ᩘᏛ䛾⌮ㄽ䛸䛭䛾ᛂ⏝䛃䠈
➨ 43 ᅇ✀⏕≀Ꮫ䝅䞁䝫䝆䜴䝮䛺䛹䛷Ⓨ⾲䛧䛯䚹䜎䛯䠈Ꮫ⾡㞧ㄅ䜈䛾ᢞ✏䛿⌧ᅾ‽ഛ୰䛷䛒䜛䚹ᄂᆮңщᎍ

‫ྶע‬ᄬൢ‫↝ח‬ᜂྵᝋ↚᧙ↈ↺‒᩼ዴ࢟଺ኒЗᚐௌⅹ↷↢∈⇭∐∙⇖
ࣈ൨ଖ‫ ݩ‬TOKUNAGA Terumasaᄂᆮಒᙲ࣮࢜ࣟࣛࢧࣈࢫࢺ࣮࣒㟁ὶ⣔ࡢ⏕ᡂᶵᵓゎ᫂࡟ྥࡅ࡚ࠊᆅୖ☢ሙࢹ࣮ࢱࢭࢵࢺ࠿ࡽࢧࣈࢫ
ࢺ࣮࣒㟁ὶ⣔㛤ጞ᫬้ࢆ⮬ື᥎ᐃࡍࡿ࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࢆ⾜࡞ࡗࡓࠋᆅୖ☢ሙࢹ࣮ࢱ࡟ࡘ࠸
࡚ࡣࠊ஑ᕞ኱Ꮫᐂ✵⎔ቃ◊✲ࢭࣥࢱ࣮ࡼࡾᥦ౪ࢆཷࡅࡓࠋᮏ࢔ࣝࢦࣜࢬ࣒ࡢ୰᰾ࢆᡂࡍᢏ⾡ࡣࠊ㠀⥺ᙧ᫬⣔ิゎᯒศ㔝࡛Ⓨᒎࡋࡓ≉␗ࢫ࣌ࢡࢺࣝศᯒ㸦SSA㸧࡟ᇶ࡙ࡃኚ໬Ⅼ᳨ฟἲ࡛࠶ࡿࠋ
SSA ࡛ࡣࠊ᫬⣔ิࢹ࣮ࢱࡼࡾ⏕ᡂࡋࡓࣁࣥࢣࣝ⾜ิࡢ≉␗್ศゎࢆ⤒⏤ࡋ࡚ࠊ᫬⣔ิࡀᣢࡘ୺せ࡞ᵓ㐀ࢆᇶᗏ࡜ࡋ࡚ᢳฟࡍࡿࠋSSA ࢆ⏝࠸ࡓኚ໬Ⅼ᳨ฟἲ࡛ࡣࠊ⌧ᅾ᫬้㏆ഐ࠿ࡽᢳฟ
ࡋࡓᇶᗏ࡟ࡼࡗ࡚ᙇࡽࢀࡿ㒊ศ✵㛫ࡢᣲືࢆ┘どࡍࡿࡇ࡜࡛ࠊ᫬⣔ิ࡟㢧ࢀࡿᚤᑠ࡞ኚືࡢ㛤ጞ᫬้ࢆᤊ࠼ࡿࡇ࡜ࡀ࡛ࡁࡿࠋᮏ◊✲࡛ࡣࠊኪഃ୰ప⦋ᗘ࡟఩⨨ࡍࡿ」ᩘࡢᆅୖほ Ⅼ࡛ほࡉࢀࡓ☢ሙኚື࠿ࡽࠊࢧࣈࢫࢺ࣮࣒㟁ὶ⣔ࡢᙧᡂ㛤ጞࡢࢱ࢖࣑ࣥࢢ࡟ࡘ࠸࡚ᮏ࢔ࣝࢦࣜࢬ࣒࡟
ࡼࡾỴᐃࡋࠊ㟁ὶ⣔ᙧᡂ㛤ጞࡢࢱ࢖࣑ࣥࢢ࡟ࡘ࠸࡚⤫ィⓗ࡞ㄪᰝࢆ⾜࡞ࡗࡓࠋ๓㏙ࡢ⤫ィゎᯒࡢ⤖ᯝࠊࢧࣈࢫࢺ࣮࣒㟁ὶ⣔ࡣ࣮࢜ࣟࣛ⇿Ⓨ࡜࿧ࡤࢀࡿ࣮࢜ࣟࣛࡢᛴ⃭࡞ቑග⌧㇟ࡢࠊ࠾ࡼࡑ 4 ศ๓࡟ᙧᡂࡉࢀጞࡵࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋࡇࡢ⤖ᯝ࡟㛵㐃ࡍࡿሗ࿌
࡜ࡋ࡚ࠊMoriola et al.[2010]࡟ࡼࡿ࣮࢜ࣟࣛຍ㏿㟁ሙࡢ᫬㛫Ⓨᒎࡀ࠶ࡿࠋ᳃ᒸࡽࡣࠊ࣮࢜ࣟࣛ
ࢆⓎගࡉࡏࡿࡶ࡜࡜࡞ࡿ࣮࢜ࣟࣛ⢏Ꮚຍ㏿ᇦࡢ᫬✵㛫Ⓨᒎ࡟ࡘ࠸࡚ࠊPolar ⾨࡛ᫍᚓࡽࢀࡓ㟁ሙほ ࢹ࣮ࢱࡢゎᯒࢆ⾜࡞ࡗࡓࠋࡑࡢ⤖ᯝࠊձ࣮࢜ࣟࣛ⇿Ⓨ࡜ྠᮇࡋ࡚㧗ᗘ 12,000km ࡯࡝ࡢ㡿ᇦ࡟ἢ☢ຊ⥺᪉ྥࡢຍ㏿㟁ሙࡀ⇿Ⓨⓗ࡟ቑᙉࡍࡿࡇ࡜ࠊղࡑࡢ⣙㸲ศ๓࠿ࡽ㧗ᗘ 6,000km ࡯࡝ࡢ㡿ᇦ࡟ᚤᙅ࡞ἢ☢ຊ⥺ຍ㏿㟁ሙࡀᙧᡂࡉࢀࡿࡇ࡜ࠊࡢ 2 Ⅼࡀሗ࿌ࡉࢀ࡚࠸ࡿࠋᮏ◊✲࡛ᚓࡽࢀࡓ⤖ᯝࢆ᳃ᒸࡽࡢሗ࿌࡜✺ࡁྜࢃࡏࡿ࡜ࠊࢧࣈࢫࢺ࣮࣒㟁ὶ⣔ࡢᙧᡂ࡜࣮࢜ࣟࣛຍ㏿㟁ሙࡢቑᙉࡣࠊ࡯ࡰྠ᫬࡟㛤ጞࡍࡿࡇ࡜ࡀ㛫᥋ⓗ࡟᥎ㄽࡉࢀࡿࠋࡇࢀࡣࡍ࡞ࢃࡕࠊ࣮࢜ࣟࣛ⢏Ꮚࢆ
ຍ㏿ࡉࡏࡿἢ☢ຊ⥺㟁ሙࡢᙧᡂ࡜ࠊ☢Ẽᅪ࣭㟁㞳ᅪࢆ⤖ྜࡍࡿࢢ࣮ࣟࣂࣝ࡞ࢧࣈࢫࢺ࣮࣒㟁ὶ⣔ࡢᙧᡂ㐣⛬ࡣࠊࢩࢫࢸ࣐ࢸ࢕ࢵࢡ࡟㐃ືࡋ࡚࠸ࡿࡇ࡜ࢆ♧၀ࡋ࡚࠸ࡿࠋࡉࡽ࡟ࠊ࣮࢜ࣟࣛ㟁ὶ⣔ࡢ⏕ᡂᶵᵓ࡟ࡣࠊ࣮࢜ࣟࣛ⇿Ⓨ㸲ศ๓࡟ጞࡲࡿᚤᙅ࡞ἢ☢ຊ⥺㟁ሙࡢᙧᡂࡀ㔜せ࡞ᙺ๭ࢆヰࡋ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋᮏ◊✲ᡂᯝ࡟ࡘ࠸࡚ࡣࠊᅜ㝿఍㆟ࢆྵࡴ」ᩘࡢ◊✲㞟఍࡛Ⓨ⾲ࡋࡓࠋ௒ᚋࡢㄢ㢟࡜ࡋ࡚ࡣࠊࢧࣈࢫࢺ࣮࣒㛤ጞࣉࣟࢭࢫ࡟㛵ࡋ࡚ࠊ୍㐃ࡢゎᯒ⤖ᯝࢆ࠺ࡲࡃㄝ࡛᫂ࡁ
ࡿ☢Ẽᅪ࣭㟁㞳ᅪ⤖ྜࣔࢹࣝࢆᵓ⠏ࡍࡿࡇ࡜࡛࠶ࡿࠋ

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢȝǹȈȷȉǯǿȸᲣ )%1'ྵᝋૠྸ 2&‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ឬ᭗‫ޖ‬ཋྸ‫ܖ‬ᲦҦٟ ྸ‫ ܖ‬ȷʋ߸‫ܖٻ‬ᄂ ᆮ ϋ ܾᲴ ‫ྶע‬ᄬൢ‫ח‬Ʒᜂྵᝋƴ᧙Ƣǔ଺ኒЗᚐௌȷȢȇȪȳǰŴǪȸȭȩߕƷЭΫ౨Јᄂᆮңщᎍ

⇱∋∞⇿⇓⇈↝ᓶ↝‒⇻∏⇕⇥∑ನᡯ↝∈⇭∐∙⇖
ɶႩஒ‫ ܇‬NAKAMASU Akiko

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢȝǹȈȷȉǯǿȸᲣ )%1'ྵᝋૠྸ 2&ȷƓᒧƷ൦‫ܖٻ܇ڡ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ႆဃဃཋ‫ܖ‬ᲦҦٟᲢྸ‫ܖ‬Უᄂ ᆮ ϋ ܾᲴ Ӓࣖਘ૝ǷǹȆȠᲦȑǿȸȳ࢟঺Ღႆဃဃཋ‫ܖ‬ᄂᆮಒᙲ⏕≀䛾ୡ⏺䛿䚸ᵝ䚻䛺ᙧ䛜ᒎ㛤䛩䜛䛣䛸䛻䜘䛳䛶ኚ໬䛻ᐩ䜣䛰䜒䛾䛸䛺䛳䛶䛔䜛䚹ᩘᏛ⪅䛾 A.
Turing 䛿䚸䛣䛖䛧䛯ከᵝᛶ䜢⏕䜏ฟ䛩ᙧែᙧᡂ䛾ၥ㢟䛻ᑐ䛧䛶䚸1952 ᖺ䛻ᣑᩓㄏᑟ୙Ᏻᐃᛶ䜢ᥦၐ䛧䛯䚹ᙼ䛾⌮ㄽ䛜䚸ᐇ㝿䛾⏕≀䛾ᙧែᙧᡂ䛻䛚䛔䛶䛹䛾䜘䛖䛺䛛䛯䛱䛷㐺⏝䛷䛝䜛䛾䛛䛿䚸㨩ຊⓗ䛺ၥ㢟䛷䛒䜛䚹䛣䛾ၥ㢟䛻䜰䝥䝻䞊䝏䛩䜛䛯䜑䛻䚸⚾䛿᳜≀䛾ⴥ䛾ᙧែᙧᡂ䛻╔┠䛧䛶◊✲䜢⾜䛳䛶䛔䜛䚹᳜≀䛾ⴥ䛿䚸୺䛻஧ḟඖᖹ㠃䛻ᒎ㛤䛩䜛ᙧែ䛷䛒䜛䚹䛴䜎䜚䚸䜘䜚㧗ḟ䛾ᙧែᙧᡂ䜢⪃䛘䜛ୖ䛷༢⣧໬䛥䜜䛯⣔䛷䛒䜛䛸䛔䛖䛣䛸䛜䛷䛝䜛䚹䛭䛣䛷䚸䝙䝳䞊䝧䜻䜰䛸࿧䜀䜜㧗        ప ✵Ẽ୰        Ỉ୰䜛䜰䝤䝷䝘⛉䛾Ỉ⏕᳜≀䜢⏝䛔䛶ⴥ䛾ᙧែᙧᡂᶵᵓ䜢ㄪ䜉䛶䛔䜛䚹䝙䝳䞊䝧䜻䜰䛿䚸⏕⫱⎔ቃ䛻ᛂ䛨䛶ᅗ䠍䛾䜘䛖䛺⾲⌧ᆺྍረᛶ䜢♧䛩䚹」ⴥ䛻䛚䛔䛶䛿䚸ඹ㏻䛧䝣䝷䜽䝍䝹ᵓ㐀䛜ぢ䜙䜜䜛䚹䛴䜎䜚䚸䝙䝳䞊䝧䜻䜰䛾♧䛩䚸䛣䛾䜘䛖䛺ᙧែ䛾ከᵝᛶ䛿䚸ඹ㏻䛾ᇶᮏཎ⌮䛻䜘䛳䛶グ㏙䛷䛝䜛ྍ⬟ᛶ䛜㧗䛔䚹ᅗ  ࢽ࣮ࣗ࣋࢟࢔ࡢⴥࡢ⾲⌧ᆺྍረ䛭䛣䛷䚸䝅䝻䜲䝚䝘䝈䝘䛾㗬ṑᵓ㐀䜢グ㏙䛩䜛䝰䝕䝹[2011 Bilsborough et al.]䜢ᨵኚ䛧䛶䚸䝙䝳䞊䝧䜻䜰䛾」ⴥ䛻䛚䛡䜛ᙧែ䛾≉ᚩ䛷䛒䜛䝣䝷䜽䝍䝹≧䛾ศᯞᵓ㐀䜢෌⌧䛧䛯䚹䛣䛣䛷䛿䠾䡌䡉(Boundary propagation method) 䛸࿧䜀䜜䜛䚸ⴥ䛾ቃ⏺㡿ᇦ䛷䛾ᙧែᙧᡂ䛻╔┠䛧䛯䝰䝕䝹䜢⏝䛔䛶䛔䜛䚹䛴䜎䜚䚸ⴥ⦕䜢ᶍ䛧䛯୍ḟඖ䛾䝸䞁䜾ୖ䛷䚸཯ᛂᣑᩓ䝰䝕䝹䛻䜘䜚䝏䝳䞊䝸䞁䜾䝟䝍䞊䞁䛾ᙧᡂ䜢㉳䛣䛧䚸䝟䝍䞊䞁䛾䝢䞊䜽౫Ꮡⓗ䛻䝸䞁䜾䜢እഃ䜈ᡂ㛗䛥䛫䛯䚹䛭䛧䛶䚸ᡂ㛗䛻䜘䜚ᣑᙇ䛧䛯ⴥ⦕䛷䛥䜙䛻䝟䝍䞊䞁ᙧᡂ䜢䛚䛣䛧䛯䚹䛣䛾༢⣧䛺䝹䞊䝹䛾⧞䜚㏉䛧䛻䜘䜚䚸ᅗ䠎䛾䜘䛖䛺ศᯞᵓ㐀䛾Ⓨ㐩䛜䝅䝭䝳䝺䞊䝖䛷䛝䛯䚹䛥䜙䛻䛣䛾䝸䞁䜾䜢ᡂ㛗䛥䛫䜛䛸䚸ධ䜜Ꮚ䛾⮬ᕫ┦ఝᙧ䛜♧䛥䜜䛯䚹䛣䛾䛸䛝 N␒┠䛾ᯞ䛜䚸N-i ␒┠䛾 i-1 ␒┠䛾䝃䜲䝗䝤䝷䞁䝏䛸୍⥴䛻⏕䛨䜛䠄N䍻䠏䚸i=䠎䚸…N-1䠅䛸䛔䛳䛯䚸つ๎ᛶ䛜ぢ䜙䜜䛯䚹௒ᚋ䚸䝅䝭䝳䝺䞊䝅䝵䞁䛷ぢ䜙䜜䛯ศᯞ䛾䝹䞊䝹䛸䚸ᐇ㝿䛾䝙䝳䞊䝧䜻䜰䛾ᙧែᙧᡂ䛷ぢ䜙䜜䜛ศᯞᵓ㐀䛸䛾ẚᅗ 2 ࢽ࣮ࣗ࣋࢟࢔ࡢⴥࡢⓎ⏕㐣⛬ࡢࢩ࣑࣮ࣗࣞࢩࣙࣥ

㍑䛜ㄢ㢟䛸䛧䛶ṧ䛳䛶䛔䜛䚹ᄂᆮңщᎍ

໎ܹἸὊἚἦỴỉྸᛯႎᄂᆮ
῍̲ദἑỽἡἚἄὊἲỆợỦЎௌ῍‫ؗ‬ϋӪஒ HORIUCHI Shiroᄂᆮಒᙲ䠎䠌䠍䠍ᖺ䠏᭶䠍䠍᪥䚸ᕧ኱䛺ᆅ㟈䛸䚸䛭䜜䛻䛸䜒䛺䛖ὠἼ䛜ᮾ᪥ᮏ୍෇䜢く䛳䛯䚹ᘓ≀䛿ᔂቯ䛧䚸㟁Ẽ䞉䜺䝇䛺䛹䛾䜲䞁䝣䝷䜒ኻ䜟䜜䜛␗ᖖ஦ែ䛾୰䚸ከ䛟䛾ᆅᇦ䛷䛿ே䚻䛿஫䛔䛻ຓ䛡ྜ䛔䚸༴ᶵ䜢஌䜚ษ䛳䛯䚹᪥ᮏ඲ᅜ䛷⩏ᤑ㔠䜔䝪䝷䞁䝔䜱䜰䛺䛹䛾ᨭ᥼䛜ぢ䜙䜜䛯䚹䛣䛾䜘䛖䛻⅏ᐖ᫬䛻ே䚻䛜ຓ䛡ྜ䛔䛾䝁䝭䝳䝙䝔䜱䜢๰㐀䛩䜛䛣䛸䛿䚸䛩䛷䛻 Solnit (2009)䛺䛹䛜ᣦ᦬䛧䛶䛔䛯䚹䛰䛜䚸䛭䜜䜙䛿஦౛ሗ࿌䛻䛩䛞䛪䚸䛹䛾䜘䛖䛺䝯䜹䝙䝈䝮䛻䜘䛳䛶ே䚻䛜ຓ䛡ྜ䛔䛾䝁䝭䝳䝙䝔䜱䜢స䜚ฟ䛩䛾䛛䚸䛭䛾䛯䜑䛾᮲௳䛿䛺䛻䛛䚸䛺䛹䛾⌮ㄽⓗ◊✲䛿䛺䛥䜜䛶䛔䛺䛛䛳䛯䚹䛭䛣䛷ᮏ◊✲䛷䛿䚸」ᩘ䛾䜶䞊䝆䜵䞁䝖䛜୍ᅇ䛝䜚䛾䝀䞊䝮䜢⧞䜚㏉䛩୰䛷䚸䛹䛾䜘䛖䛺ᡓ␎䛜㞟ᅋ䜢ᨭ㓄䛩䜛䛛䚸䝍䜹䝝䝖䝀䞊䝮䜢ᨵኚ䛧䛯ᩘ⌮䝰䝕䝹䜢㏻䛨䛶ศᯒ䛧䛯䚹䝀䞊䝮䛾୰䛷ศᯒ䛾ᑐ㇟䛸䛧䛯ᡓ␎䛿䚸䛴䛽䛻㈨※䜢ዣ䛚䛖䛸䛩䜛䝍䝍䜹ὴᡓ␎䚸㈨※䜢┦ᡭ䛸ศ๭䛧䜘䛖䛸䛩䜛䝝䝖ὴᡓ␎䚸⮬ศ䛜ඛ䛻㈨※䜢ぢ䛴䛡䛯ሙྜ䛿䝍䜹ὴⓗ䛻䚸ᚋ䛷ぢ䛴䛡䛯ሙྜ䛿䝝䝖ὴⓗ䛻᣺⯙䛖䝤䝹䝆䝵䝽ᡓ␎䚸䛭䛧䛶ᖖ䛻┦ᡭ䛸㈨※䜢ศ๭䛧䜘䛖䛸䛩䜛䛜┦ᡭ䛜䝍䜹ὴⓗ䛻᣺⯙䛳䛶䛝䛯䜙ᛂ㓘䛩䜛䝅䝅䜵䜰䝸䞁䜾ᡓ␎䛷䛒䜛䚹㈨※䛾Ⓨぢ☜⋡䛜஧⪅㛫䛷➼䛧䛔䚸ᡓ䛳䛯ሙྜ䛾຾⋡䛜➼䛧䛔䚸㈨※䜢ᚓ䜛฼ᚓ䜢 V䚸ᡓ䛔䛻㈇䛡䛯ሙྜ䛾䝁䝇䝖䜢 C 䛸タᐃ䛧䛯䚹䝝䝖ὴᡓ␎䛸䝅䜵䜰䝸䞁䜾ᡓ␎䛜㞟ᅋ䜢ᨭ㓄䛩䜜䜀䚸⌧㇟ⓗ䛻䛿ຓ䛡ྜ䛔䛾䝁䝭䝳䝙䝔䜱䛜⏕ᡂ䛧䛯䛣䛸䛻䛺䜛䚹ศᯒ䛾⤖ᯝ䚸V/C 䛜 1 䜘䜚ᑠ䛥䛔ሙྜ䛿䚸䝤䝹䝆䝵䝽ᡓ␎䛜㞟ᅋ䜢ᨭ㓄䛩䜛䜘䛖䛻䛺䜚䚸䛭䛾ᨭ㓄యไ䛿㡹ᙉ䛷䛒䜛䛣䛸䛜ศ䛛䛳䛯䚹V/C 䛜 1 䜘䜚኱䛝䛔ሙྜ䛿䚸䝅䜵䜰䝸䞁䜾ᡓ␎䛸䝝䝖ὴᡓ␎䛜㞟ᅋ䜢䛩䜛䜘䛖䛻䛺䜛䛜䚸䝝䝖ὴ䛜ቑ䛘䛩䛞䜛䛸䝍䜹ὴ䚸䝤䝹䝆䝵䝽䛜㞟ᅋ୰䛻౵ධ䛧䚸⛛ᗎ䛜ᔂቯ䛩䜛䚹䛧䛛䛧෌䜃䝅䜵䜰䝸䞁䜾䛜㞟ᅋᨭ㓄䜢ᅇ᚟䛩䜛䚸䛸䛔䛖ഴྥ䛜䜏䜙䜜䛯䠄ୗᅗཧ↷䠅䚹䛣䛾◊✲䛿䚸䛩䛷䛻ㄽᩥ䛸䛧䛶䜎䛸䜑䛶䛚䜚䚸㏆᪥୰䛻䛄⌮ㄽ䛸᪉ἲ䛅ㄅ䛻”Emergence and Persistence of Communities:
Analyses by means of a revised Hawk-Dove game”䛸䛧䛶ᥖ㍕䛥䜜䜛ணᐃ䛷䛒䜛䚹

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢȝǹȈȷȉǯǿȸᲣ )%1'ྵᝋૠྸ 2& ȷʮᣃ‫ܖٻ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ૠྸᅈ˟‫ܖ‬ᲦҦٟᲢྸ‫ܖ‬Უᄂ ᆮ ϋ ܾᲴ ᨼ‫ׇ‬ǵǤǺƷᄂᆮᲦᨼ‫̞᧙᧓ׇ‬Ʒᄂᆮᄂᆮңщᎍ

੗ᚑ৮СἴἙἽỉૠྸᚐௌᒉ཰࣋ WAKASA Tohru

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢȝǹȈȷȉǯǿȸᲣ )%1'ྵᝋૠྸ 2& ȷଔᆖဋ‫ܖٻ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ૠ‫؏ٻ ܖ‬ᚐௌ‫ ܖ‬ᲦҦٟ ྸ‫ܖ‬Უᄂ ᆮ ϋ ܾᲴ Ӓࣖਘ૝૾ᆉࡸᲦ᩼ዴ࢟ࠝࣇЎ૾ᆉࡸᲦ౹ό‫׹‬ȷ્ཋ‫͞׹‬ࣇЎ૾ᆉࡸᲦЎ‫ྸޟ‬ᛯᄂᆮಒᙲ⭘⒆ࡢᩘ⌮ࣔࢹࣝ◊✲ࡣ㏆ᖺάⓎ࡟⾜ࢃࢀ࡚࠾ࡾ, ⏕࿨⛉Ꮫࡸ་Ꮫⓗぢᆅ࠿ࡽࡶ኱ࡁ࡞ὀ
┠ࢆ㞟ࡵࡿࡼ࠺࡟࡞ࡗࡓࠋᩘ⌮⛉Ꮫ࠿ࡽ་Ꮫศ㔝࡬ࡢᐤ୚ࢆᛕ㢌࡟㸪ᮏ◊✲ࡣ⭘⒆ᾐ₶ࡢࣉࣟࢭࢫࢆ⡆␎໬ࡋ㸪ࡇࢀࡼࡾᚓࡽࢀࡿ,ࠕ᥋ゐᢚไຠᯝࠖࢆక࠺ 2 ✀ࡢ⣽⬊㞟ᅋࣔࢹࣝࢆ⏝࠸࡚, ⌧㇟ᩘ⌮Ꮫࡢ❧ሙ࠿ࡽ⭘⒆ᾐ₶ࡢᮏ㉁ࢆᢳฟࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡍࡿࠋ᥋ゐᢚไࣔࢹࣝ࡜ࡣ, ㏻ᖖ⣽⬊ཬࡧࡑࡢ✺↛ኚ␗࡟ࡼࡗ࡚⏕ࡌࡿ␗ᖖ⣽⬊ࡢ 2 ✀㢮ࡢ⣽⬊㞟ᅋࡢ᣺ࡿ⯙࠸ࢆグ㏙ࡍࡿࣔࢹ࡛ࣝ࠶ࡾ, ࡇࢀࡣ 2 ኚᩘࡢ㏥໬ᣑᩓ㡯ࢆక࠺㠀⥺ᙧ೫ᚤศ᪉⛬ᘧ࡟ࡼࡾ୚࠼ࡽࢀࡿࠋ࠶ࡿ඾ᆺⓗ࡞ࣃ࣓࣮ࣛࢱ㡿ᇦ࡟࠾ࡅࡿࢩ࣑࣮ࣗࣞࢩ࡛ࣙࣥࡣ, 2 ✀ࡢ⣽⬊⩌ࡢ᏶඲࡞ศ㞳ࡀほᐹࡉࢀ, ࡑࢀࡀ㐍⾜Ἴゎⓗ࡞᣺ࡿ⯙࠸ࢆ♧ࡍࠋࡇࡢࡇ࡜ࡢṇᙜ໬࡜ࡋ࡚,2010 ᖺᗘࡲ࡛ࡢ◊✲࡛ࡣ᥋ゐᢚไࣔࢹࣝ࡟⌧ࢀࡿศ㞳㐍⾜Ἴゎࡢ㏿ᗘ᝟ሗࡸᴟ㝈ᙧ≧࡟ࡘ࠸࡚, ୍ᐃࡢᡂᯝࢆᚓࡿࡇ࡜ࡀ࡛ࡁࡓࠋ୍᪉, ࣔࢹࣝ᪉⛬ᘧࡀ᭷ࡍࡿᙉ࠸㠀⥺ᙧ┦஫స⏝࡟㉳ᅉࡋ࡚, ゎࡢᩘ⌮ゎᯒࡸࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡘ࠸࡚ከࡃࡢᩘ⌮ⓗㄢ㢟ࡀṧࡉࢀ࡚࠸ࡿࠋ
2011 ᖺᗘࡢ◊✲࡛ࡣ⥅⥆ࡋ࡚᥋ゐᢚไࣔࢹࣝࡢᩘ⌮ゎᯒ࡟ྲྀࡾ⤌ࢇࡔࠋ୍㐃ࡢ◊✲άືࡢ୰࡛ࡶ, ▷ᮇᾏእฟᙇ࡟ࡼࡿࣇࣛࣥࢫ࣭ࣃࣜ༡኱Ꮫࡢ⁫ᅾ࣭ゼၥࢆ≉➹ࡍࡿⅬ࡜ࡋ࡚ᣲࡆࡿࠋ
ࡇࡢ㛫㸪ඹྠ◊✲⪅࡛࠶ࡿ M.Bertsch ᩍᤵ, D.Hilhorst ᩍᤵ࡜ᐦ࡞◊✲ウㄽࢆ⾜࠸༠ຊయไࢆᙉ
໬ࡋࡓࠋࡇࢀ࡟ࡼࡿ◊✲㐃ᦠࢆ⤒࡚, ࣔࢹࣝ᪉⛬ᘧ࡟ᑐࡍࡿ஺ᕪ㐍⾜ἼゎࡢᏑᅾド᫂ࡀᚓࡽࢀ
ࡓࠋࡇࢀ࡟ࡼࡾ, ≉ᐃࡢࣃ࣓࣮ࣛࢱ᮲௳ୗ࡟࠾࠸࡚, ᥋ゐᢚไࣔࢹࣝࡀࡼࡃ▱ࡽࢀࡓ༢Ᏻᐃ⣔཯ᛂᣑᩓ᪉⛬ᘧ࡜㢮ఝࡢᛶ㉁ࢆᣢࡘྍ⬟ᛶࡀ♧၀ࡉࢀࡿࠋࡇࡢࡇ࡜ࡣ௒ᚋࡢゎᯒ࡟࠾࠸࡚᭷⏝࡞᝟ሗ࡜࡞ࡿ࡜ᛮࢃࢀࡿࠋ
ࡲࡓ, ࡇࢀࡲ࡛ࡢ◊✲ෆᐜࢆྵࡴㄽᩥࢆィ 3 ⦅ᇳ➹ࡋ(ศᢸᇳ➹), ࠺ࡕ 1 ⦅࡟ࡘ࠸࡚ࡣ 2012 ᖺ 1 ᭶࡟ᢞ✏ࢆ⾜ࡗࡓࠋ࡞࠾ᙜࢢ࣮ࣟࣂࣝ COE ᩍ⫱࣭◊✲ᣐⅬ࡟ࡣ
10 ᭶ᮎ᪥ࡲ࡛ᅾ⡠ࡋ, 11 ᭶ 1 ᪥ࡼࡾ஑ᕞᕤᴗ኱Ꮫ࡟␗ືࡋࡓࠋ␗ືࡋࡓᚋࡶᙜㄢ㢟࡟㛵ࡍࡿ◊✲ࢆ⥅⥆ࡋ࡚࠸ࡿࠋ
2011 ᖺᗘࡢᙜㄢ㢟࡟㛵ࡍࡿ◊✲ᴗ⦼(␗ືᚋࡶྵࡴ)࡟ࡘ࠸࡚, ୖ㏙ࡢᢞ✏ㄽᩥ 1 ⦅࡟ຍ࠼࡚,ィ 5 ᅇ ࡢ ཱྀ 㢌Ⓨ ⾲ , ࡞ࡽ ࡧ ࡟ 2 ௳ ࡢ࣏ ࢫ ࢱ ࣮Ⓨ ⾲ ࢆ ⾜ ࡗ ࡓ ࠋ௦ ⾲ ౛࡜ ࡋ ࡚ ᅜ 㝿 ఍㆟
ࠕDutch-Japanese Workshop on ”Nonlinear nonequilibrium evolution problems : selected topics onmaterial and life sciences”ࠖ(2011 ᖺ 11 ᭶, ࢜ࣛࣥࢲ࣭࢔࢖ࣥࢺ࣮࣍ࣇ࢙ࣥ, ࡓࡔࡋ GCOE ◊✲㈝௨እ࡟ࡼࡿᾏእฟᙇ)࡛⾜ࡗࡓཱྀ㢌Ⓨ⾲࠾ࡼࡧ࣏ࢫࢱ࣮Ⓨ⾲ࡣ᪥ᮏ࠾ࡼࡧ࢜ࣛࣥࢲࡢ◊✲⪅࡟㧗࠸ホ౯ࢆᚓࡿࡇ࡜ࡀ࡛ࡁࡓࠋ

ᄂᆮңщᎍ

On the effect of focal mechanism
to the occurring rate ofan earthquakeᕏෙ༚ SIEW Hai-Yenᄂᆮಒᙲ
In my previous study, a new estimation procedure for the modulated renewal processes has beendeveloped, in order to study the survival pattern of an earthquake. The proposed method has updated
some existing estimators, such as the Nelsen㸫Aalen estimator and the partial likelihood estimator forthe baseline intensity and the parametric covariate processes, respectively. Assuming that the parametriccovariate processes are known, a new estimating equation has been derived from the martingale propertyof point processes to estimate the cumulative baseline intensity and the estimate of the baseline intensity
has been also obtained after smoothing process. On the other hand, the parametric covariate processes are
estimated using the maximum likelihood methods, when the baseline intensity is given. The baseline
intensity and parametric covariate processes are calculated iteratively until convergence. As applications,the proposed method are applied to 100 sets of simulated data and the aftershocks of Wenchuan
earthquake in 2008.
Besides that, I am also interested in predicting the occurrence of the next aftershock after a major
earthquake when the information of the focal mechanism of the earthquake are given. The focal
mechanism describes the inelastic deformation in the source region that generates the seismic waves.
Seismologists treat it as the direction of slip in an earthquake and the orientation of the fault on which it
occurs. Therefore, we could collect the directions of azimuth, dip and slip of the fault in our studies. In
order to use these information, we initially assume that the joint density of time gaps of two consecutive
events, magnitudes, depth and the sines and cosines of the directions of azimuth, dip and slip, following a
multivariate powered normal distribution. Applying our method to the data of 2008 Wenchuan
earthquake, we first computed the conditional densities of the occurring time and magnitude of one event,given the time, magnitudes, depth and angles of the previous event. From that, we obtained the 95%
prediction intervals for each aftershock for time elapsed before the occurrence of the next aftershock as
well as the magnitude. We also computed the coverage probability and the average length of theprediction intervals. The result showed that the model gave a good model if we included the information
up to lag 4. Furthermore, we found that the lag 4 Wenchuan model gave a prediction on the occurrence oftime gaps and magnitude of Tohoku earthquake (2011) with accuracy of 84% and 86%, respectively. This
study is continued to figure out the essential elements and conditions for better predictions.

GCOE Research Fellows৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ଢ඙‫ܖٻ‬ᄂᆮȷჷᝠ৆ဦೞನᄂᆮਖ਼ᡶՃᲢȝǹȈȷȉǯǿȸᲣ )%1'ྵᝋૠྸ 2&‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ወᚘᅹ‫ܖ‬ᲦҦٟᲢወᚘᅹ‫ܖ‬Უȷዮӳᄂᆮ‫ܖٻ‬ᨈ‫ܖٻ‬ᄂ ᆮ ϋ ܾᲴ ወᚘႎȢȇȪȳǰƓǑƼȇȸǿᚐௌᄂᆮңщᎍ

࿢‫ؾ‬Ệ̔‫܍‬ẲẺᐯࠁᬝѣቩ‫܇‬ỉᢃѣỉᴾྸᚐểСࣂᴾӋኛࡻࢠ SANNOU Yumihiko৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ࠼޽‫ܖٻܖٻ‬ᨈྸ‫ܖ‬ᄂᆮᅹૠྸЎ‫܇‬ဃԡྸ‫ݦܖ‬ૌᄂᆮՃ
ȷ᣿එ‫ ܖٻ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ྵᝋૠྸ‫ܖ‬ᲦҦٟᲢྸ‫ܖ‬Უᄂ ᆮ ϋ ܾᲴ ᩼ዴ࢟ᐯᇌᢃѣእ‫܇‬ƷᢃѣᚐௌƱСࣂ

GCOE Research Fellowsᄂᆮಒᙲ ⏺㠃άᛶ๣ࡢ୍✀࡛࠶ࡿᶋ⬻ࢆ⣧Ỉ࡟ᾋ࠿࡭ࡿ࡜Ỉ㠃ࢆ⮬㉮ࡋࡲࡍࠋࡇࡢ⌧㇟ࡣ㸪⏺㠃άᛶ๣ࡢ୍ࡘࡢ≉ᚩ࡛࠶ࡿỈࡢ⾲㠃ᙇຊࢆపୗࡉࡏࡿຠᯝ࡟ࡼࡗ࡚⏕ࡌࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡲࡍࠋ
ࡘࡲࡾ㸪ᶋ⬻ࡀỈ㠃࡟ᒎ㛤ࡋࡓ㝿࡟㸪⾲㠃ᙇຊࡢప࠸㡿ᇦ࡜㧗࠸㡿ᇦࡀ⏕ࡌ㸪⤖ᯝⓗ࡟⾲㠃ᙇຊࡀ㧗࠸᪉࡬ᶋ⬻ࡀ⛣ືࡍࡿࡢ࡛ࡍࠋ⮬ศ⮬㌟ࡀᘬࡁ㉳ࡇࡍ⾲㠃ᙇຊኚ໬࡟ࡼࡗ࡚㥑ືࡍࡿ⢏Ꮚ(⮬ᕫ㥑ື⢏Ꮚ)࡟㛵ࡍࡿ᭱ึࡢሗ࿌ࡣ㸪࢖ࢠࣜࢫࡢࣞ࢖࣮ࣜཀ࡟ࡼࡿࡶࡢ࡛ 100 ᖺ௨ୖࡶ㐣ཤ࡟㐳ࡾ㸪௨᮶㸪⮬ᕫ㥑ື⢏Ꮚࡣ⏕࿨ࡀᣢࡘศᏊ࣮ࣔࢱࢆᶍೌࡋࡓ⏬ᮇⓗ࡞ືຊ࡜ࡋ࡚ὀ┠ࡉࢀ࡚ࡁࡲࡋࡓࠋࡇࡢᵝ࡞ศᏊ࣮ࣔࢱࡢไᚚࡣ㸪⏕࿨άືࡢゎ᫂ࡢ୍ࡘࡢᡭ࠿ࡀࡾ࡟࡞ࡿ࡜ᮇᚅ
࡛ࡁ࡚㸪࠸ࡃࡘࡶሗ࿌ࡀࡉࢀ࡚࠾ࡾ㸪ᡃࠎࡶ◊✲ㄢ㢟࡜ࡋ࡚࠸ࡲࡍࠋ ୍ࡘ࡜ࡋ࡚㸪ᶋ⬻㥑ືࡢ࣐ࣛࣥࢦࢽὶࡀ㸪⁐ᾮ୰࡟ῧຍࡋࡓ◲㓟ࢻࢹࢩࣝࢼࢺ࣒ࣜ࢘(SDS)ࡢ⃰ᗘ࡟౫Ꮡࡋ࡚≉␗ⓗ࡟ኚ໬ࡍࡿࡇ࡜ࢆぢฟࡋ㸪༠ྠ◊✲⪅ࡽࡢ༠ຊࡢࡶ࡜࡛㸪ࡑࡢᶵᵓࢆᐇ㦂ⓗ࣭ᩘ⌮ⓗ⪃ᐹ࠿ࡽゎ᫂ࡋࡲࡋࡓࠋSDS ࡣ⏺㠃άᛶ๣࡛࠶ࡾ⁐ᾮࡢ⾲㠃ᙇຊࢆపୗࡉࡏࡿࡢ࡛㸪ᶋ⬻㥑ືࡢ࣐ࣛࣥࢦࢽὶࡣ⁐ᾮ୰ࡢ SDS ⃰ᗘࡢୖ᪼࡟ࡘࢀ࡚ᢚไࡉࢀࡿࡇ࡜ࡀண᝿࡛ࡁࡲࡍࠋᐇ㝿㸪SDS⮫ᾏ࣑ࢭࣝ⃰ᗘ௜㏆ࡲ࡛ࡣ⁐ᾮ୰ࡢ SDS ⃰ᗘࡢୖ᪼࡟క࠸࣐ࣛࣥࢦࢽὶࡣᢚไࡉࢀ࡚࠸ࡁࡲࡍࠋ
ࡋ࠿ࡋண᝿࡟཯ࡋ࡚㸪ࡑࢀ௨ୖࡢ SDS ⃰ᗘ࡛࣐ࣛࣥࢦࢽὶࡀ෌⏕ࡍࡿᵝᏊࡀほࡉࢀࡲࡋࡓ(ୗᅗ)ࠋ

ࡇࡢ⌧㇟ࡢᶵᵓࢆ᥈ࡿ࡟࠶ࡓࡾ㸪࣐ࣛࣥࢦࢽὶࡢ㥑ືຊࡀ⾲㠃ᙇຊࡢᶋ⬻⃰ᗘ࡟ᑐࡍࡿኚ໬⋡࡜ᶋ⬻⃰ᗘࡢ✵㛫໙㓄࡟ࡼࡿࡇ࡜࡟ὀ┠ࡋࡲࡋࡓࠋࡉࡽ࡟㸪⮫ᾏ࣑ࢭࣝ⃰ᗘࢆቃ࡟ᶋ⬻ࡢ SDS ⁐ᾮ࡬ࡢ⁐ゎ⋡ࡀ኱ࡁࡃኚ໬ࡍࡿࡇ࡜㸪࡝ࡢ SDS ⃰ᗘࡢ⁐ᾮ࡟ᑐࡋ࡚ࡶᶋ⬻ࡀ⁐ࡅ㎸ࡴࡇ࡜࡛⾲㠃ᙇຊࡀపୗࡍࡿࡇ࡜ࢆⓎぢࡋ㸪ὀ┠ࡋࡓ㥑ືຊࡢ㆟ㄽ࡜⤖ࡧ௜ࡅ࡚㸪ࡇࢀࡽࡀ෌⏕⌧㇟࡟῝ࡃ࠿࠿ࢃࡗ
࡚࠸ࡿࡇ࡜ࢆ✺ࡁṆࡵࡲࡋࡓࠋ

ྛ SDS ⃰ᗘ࡛ࡢὶࢀ࡟ࡼࡿྍど໬⢏Ꮚࡢືࡁ(1 ⛊㛫)ࠋᐜჾࡣ㛗ࡉ 90 mm㸪ᖜ 5 mm㸪
Ỉ῝ࡣ 5 mmࠋὶࢀࡣ SDS ⃰ᗘࡢୖ᪼࡟ࡘࢀ୍࡚➃ᢚไࡉࢀࡓᚋ㸪෌⏕ࡍࡿࠋᄂᆮңщᎍ

ኬᏘᢃѣỉૠྸ
ᙱ஭̮ɟᢹ NISHIMURA Shin-ichiro৑ ‫ ޓ‬ȷ ࢫ ᎰᲴ έᇢૠྸᅹ‫ܖ‬ǤȳǹȆǣȆȥȸȈᄂᆮՃ ࠼޽‫ܖٻܖٻ‬ᨈྸ‫ܖ‬ᄂᆮᅹૠྸЎ‫܇‬ဃԡྸ‫ݦܖ‬ૌᄂᆮՃ
ȷிʮ‫ ܖٻ‬‫ ᧉ ݦ‬ȷ ‫ ܖ‬ˮᲴ ྸᛯဃཋ‫ܖ‬ᲦҦٟᲢ‫ܖ‬ᘐᲣᄂ ᆮ ϋ ܾᲴ ኬᏘᢂឥᲦѣཋƷᨼ‫ׇ‬ᢃѣሁƴ᧙Ƣǔྸᛯႎᄂᆮ

Ᏹᐂ✵㛫ࡣ᫬㛫㍈ࢆ㝖ࡅࡤ㸱ḟඖ࡛ᵓᡂࡉࢀ࡚࠸ࡿࠋࡑࡢࡓࡵ࡟ࠊ⏕≀ࡶ㸱ḟඖ✵㛫ࡢ୰࡛≉ᐃࡢ✵㛫㡿ᇦࢆ༨ࡵ࡞ࡅࢀࡤ࡞ࡽࡎࠊᚲ↛ⓗ࡟⛣ືࡀక࠺ࠋࡑࡢ⛣ືࡣ᏶඲࡟እⓗせᅉ㸦ᾏὶࠊẼὶࠊ௚ࡢ⏕≀࡟ࡼࡿ⛣ື㸧࠿ࠊ⏕≀ෆ࡟⵳࠼ࡽࢀࡓ໬Ꮫ࢚ࢿࣝࢠ࣮ࡢᾘ㈝࡟ࡼࡿࡶࡢ࡛࠶ࡿࠋ
᳜≀ࡢ✀Ꮚࡢ⛣ື࡞࡝ࡣከࡃࡢሙྜ๓⪅ࡢ⛣ືἲ࡟ࡓࡼࡗ࡚࠸ࡿࡀࠊື≀࡞࡝ࡣᚋ⪅࡟ࡼࡿࡶࡢ
ࡀከ࠸ࠋ᳜≀࡜㐪࠸ື≀ࡣࠊࡑࡢಶయࡢ⛣ື⬟ࡀ㧗ࡃࠊࡉࡽ࡟ᵓᡂࡋ࡚࠸ࡿ⣽⬊࡟ࡶ⮬Ⓨⓗ⛣ື⬟ࡀ࠶ࡿࠋ᳜≀ࡢ⣽⬊࡟ࡣ⮬Ⓨⓗ࡞㐠ືࢆ⾜࠺ჾᐁࡀ࡞࠸ሙྜࡀከࡃࠊ⣽⬊ࡢ┦ᑐⓗ఩⨨ࢆᐜ᫆࡟ኚ࠼ࡿࡇ࡜ࡀ࡛ࡁ࡞࠸ࡀࠊື≀ࡢሙྜࡣ⮬Ⓨⓗ࡟ືࡁᅇࡿࠋ౛࠼ࡤࠊࣄࢻࣛ࡞࡝ࡣࠊ⸆๣࡞࡝
࡛⣽⬊ࢆࣂࣛࣂࣛ࡟ࡋ࡚෌ࡧ㞟ྜࡉࡏࡿ࡜ࠊࡸࡀ࡚ෆ⬇ⴥ࡜እ⬇ⴥࡢ⣽⬊ࡀศ㞳ࡋ࡚ࣄࢻࣛ࡟ᡠ
ࡗ࡚࠸ࡃࠋ⣽⬊ࡢ⛣ື⬟ࡣື≀࡛ࡣ」㞧࡞ჾᐁࢆᙧᡂ⥔ᣢ࡟ᚲせ୙ྍḞ࡛࠶ࡿࠋື≀⣽⬊ࡢ♽ඛࡣࠕ࢔࣓࣮ࣂ㐠ືࠖࢆ⾜࠺ࡇ࡜ࡢ࡛ࡁࡿ⣽⬊ࡔࡗࡓࡽࡋࡃࠊࡑࡢᶵ⬟ࡣච␿⣽⬊ࡢ⛣ື࡞࡝࡟⏕࠿ࡉࢀ࡚࠸ࡿࠋࡇࡢ࢔࣓࣮ࣂ㐠ືࢆ⾜࠺⣽⬊ࢆᣢࡘ⏕≀ࡣື≀ࡔࡅ࡛ࡣ࡞࠸ࠋ
⣽⬊ᛶ⢓⳦࡜࿧ࡤࢀࡿ⏕≀ࡣࠊ࢔࣓࣮ࣂ㐠ືࢆ⾜࠺⦾Ṫᮇ࡜⛣ືయ࡜࿧ࡤࢀࡿከ⣽⬊యࢆసࡿ㣚㣹≧ែᮇࢆᣢࡗ࡚࠸ࡿࠋື≀࡜ࡣ␗࡞ࡿ⣔⤫࡟࠸ࡿ⏕≀࡛ࠊከ⣽⬊໬ࡶື≀࡜ࡣู࡟㐍໬ࡋ࡚ࡁࡓ࡜᥎ ࡉࢀ࡚࠸ࡿࠋ⛣ືయᙧᡂࡣື≀ࡢⓎ⏕࡟ఝࡓ⌧㇟࡛ࠊࡲࡓ⣽⬊⛣ືࢆᢸ࠺ศᏊࡣື≀⣽⬊࡜ࡢඹ㏻ᛶࡀ㧗ࡃࠊࡼࡃ◊✲ࡉࢀ࡚࠸ࡿࠋ
⚾ࡣࠊື≀⣽⬊ࡸ⣽⬊ᛶ⢓⳦ࡢ⣽⬊ࡀ⾜࠺≉ᚩⓗ࡞ࠕ࢔࣓࣮ࣂ㐠ືࠖ࡟ࡘ࠸࡚ࡢᩘ⌮ⓗゎᯒࢆ┠ᣦࡋ࡚࠸ࡿࠋ࢔࣓࣮ࣂ㐠ືࡣᴟࡵ࡚୙ᛮ㆟࡞㐠ື࡛ࠊ⣽⬊ࡀኚᙧࡋ࡞ࡀࡽ㐠ືࡍࡿࡀࠊ஧ᗘ࡜
ྠࡌᙧࡣ⌧ࢀ࡞࠸࡜ゝࢃࢀ࡚࠸ࡿ࡯࡝」㞧࡟ኚᙧࡍࡿࠋࡇࡢ⣽⬊ࡢᙧࡢ୙ᐃᛶࡣࠊఱࡢព࿡ࡶᣢ
ࡓ࡞࠸ࡼ࠺࡟ࡶぢ࠼ࡿࡀࠊ࠶ࡿ✀ࡢ⤫ィⓗᛶ㉁ࢆᣢࡗ࡚࠸ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗ࡚࠸ࡿࠋ㧗ᮌࡽࡣࠊ⣽⬊ࡢ㔜ᚰ⛣ືࡢ⤫ィᛶࢆㄪ࡭ࡓ࡜ࡇࢁࠊ⣽⬊ࡢࣛࣥࢲ࣒࡞⛣ືࡣࠊ༢⣧࡞ᣑᩓ㐣⛬࡛ࡣ࡞ࡃ␗ᖖᣑᩓᛶࢆᣢࡗ࡚࠸ࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ⣽⬊ࡢኚᙧࡣ࢔ࢡࢳࣥ࡜࠸࠺ศᏊ࡛ไᚚࡉࢀ࡚
࠸ࡿࡀࠊࡉࡽ࡟ࡑࢀࢆไᚚࡍࡿἑᒣࡢศᏊ⩌ࡀ᫂ࡽ࠿࡟ࡉࢀ࡚࠸ࡿࠋ⚾ࡣ࢔ࢡࢳࣥࢆไᚚࡍࡿᅉ
Ꮚࢆ୍ࡘ௬ᐃࡍࢀࡤࠊ⣽⬊ࡢ」㞧࡞ኚᙧࢆㄝ࡛᫂ࡁࠊࡉࡽ࡟㧗ᮌࡽࡀ᫂ࡽ࠿࡟ࡋࡓ㔜ᚰ⛣ືࡢ⤫ィᛶࡶㄝ࡛᫂ࡁࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ
ࣛࣥࢲ࣒࡞⣽⬊ࡢ⛣ືࡀ㏻ᖖࡢᣑᩓ㐣⛬࡜␗࡞ࡿࡇ࡜ࡣఱࢆព࿡ࡋ࡚࠸ࡿࡢࡔࢁ࠺࠿㸽⣽⬊ࡣఱ࠿ࢆ᥈⣴ࡍࡿࡢ࡟㐺ࡋࡓ⛣ື᪉ἲࢆྲྀࡗ࡚࠸ࡿ࡜ᛮࢃࢀࠊ࡛ࡁࡿࡔࡅᗈ࠸⠊ᅖࢆ᥈⣴ࡋࡼ࠺࡜ࡋ࡚࠸
ࡿࡇ࡜ࡀ⤫ィⓗゎᯒ࡛⌧ࢀ࡚࠸ࡿ࡜᥎ ࡛ࡁࡿࠋ⚾ࡢ࠾ࡇ࡞ࡗࡓࢩ࣑࣮ࣗࣞࢩ࡛ࣙࣥࡣࠊ㞀ᐖ≀ࡀ࠶ࡿ≧ἣ࡟࠾࠸࡚ࡶࠊ㞀ᐖ≀ࢆ࠺ࡲࡃ㑊ࡅ࡚┠ⓗᆅ㸦ࢩࢢࢼࣝⓎ⏕※㸧࡟฿㐩ࡍࡿࡇ࡜ࡀ♧ࡉࢀࡓࠋ

GCOE Research Fellowsᄂᆮಒᙲ␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

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∄∞⇗⇩⇮∄⇊⇕∓⇟⇮∏⇕⇧∉∞↝∈⇭∐∙⇖↗ܱᚰЎௌ㻌㻌㻌Ӵ߷฼ KIKKAWA Mitsuru㻌㻌৑‫ ޓ‬Ჴ ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲭ࠰
ȁȸȠȕǧȭȸ Ჴ ਦ‫ݰ‬૙Ճ ɤ஭ଡ඲ᲢૠྸᚐௌྰᲣᲦ
Ღɥ‫̮ٻޛ‬ᲢǷȟȥȬȸǷȧȳྰᲣ ௅‫ޛ‬Ⴚ೔ᲢȢȇȪȳǰྰᲣᄂ ᆮ ᛢ ᫆ Ჴ ᡶ҄ǲȸȠྸᛯƷૠྸƱƦƷࣖဇ

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௒ᖺᗘ䛿ᐇドศᯒ䛻㔜Ⅼ䜢㉳䛝䚸ḟ䛾◊✲䜢⾜䛳䛯䚹䠍䠊䝎䝤䝹䜸䞊䜽䝅䝵䞁䜢⏝䛔䛯ᕷሙ䛾䝰䝕䝸䞁䜾䛸䛭䛾ᐇドศᯒ
Chatterjee and Samuelson (1983)䜢ཧ⪃䛻䛧䚸ᯈ䛾ཌ䜏䜎䛷⪃៖䛻ධ䜜䛯㔠⼥ᕷሙ䛾䝰䝕䝹䜢ᵓ⠏䛧䛯䚹䝎䝤䝹䜸䞊䜽䝅䝵䞁䛻䛚䛔䛶䝧䜲䝆䜰䞁䝘䝑䝅䝳ᆒ⾮䛜Ꮡᅾ䛧䛺䛔䛣䛸䛜▱䜙䜜䛶䛔䜛䚹䛣䜜䜢⏝䛔䜛䛸䚸ᕷሙ䛷䛿ᢞ㈨ᐙ䛿ᡓ␎ⓗ䛻䛿⾜ື䛧䛶䛚䜙䛪䚸ᶵᲔⓗ䛻ᡓ␎䜢㑅ᢥ䛧䛶䛔䜛䛣䛸䛸䛺䜛䚹䛭䛾䛯䜑ຠ⋡ᕷሙ௬ㄝ䛸ྠᵝ䛻ᕷሙ䛻䛿㠀ྜ⌮ⓗ䛺ᡓ␎䛷ᢞ㈨䜢⾜䛳䛶䛔䜛䝜䜲䝈䝖䝺䞊䝎䞊䛜Ꮡᅾ䛧䛶䛔䜛䛸ᤊ䛘䛯䚹䛭䛣䛷䛣䛾ᢞ㈨ᐙ䛾㝈ᐃྜ⌮ⓗ䛺⾜ື䜢 Kikkawa (2009) 䛷ᑟฟ䛧䛯㠀⥺ᙧᡓ␎䜢⏝䛔䚸ᐇドศᯒ䜢⾜䛳䛯䚹䛭䛾⤖ᯝᢞ㈨ᐙ䛾㝈ᐃྜ⌮ⓗ䛺⾜ື䜔⌮ㄽ◊✲䛷ᑟฟ䛧䛯㛵ಀᘧ䜢⏝䛔䜛䛣䛸䛻䜘䜚䚸ᮇᚅ฼ᚓ䛾ศᩓ䜔ฟ᮶㧗䛾ศᕸ䛜ᢞ㈨ᐙ䛾㈈䛻ᑐ䛩䜛ホ౯㢠䛾ᕪ䛻ẚ౛䛧䛶䛔䜛䛸䛔䛖䛣䛸䛜ᐇドⓗ䛻☜ㄆ䛥䜜䛯䚹䛥䜙䛻䛿⣙ᐃ౯᱁䛸 Walras ᆒ⾮౯᱁䛾䛹䛱䜙䛻౯᱁Ⓨぢᶵ⬟(Hasbrouck, 1995)䛜䛒䜛䛾䛛䜢ㄪ䜉䚸⣙ᐃ౯᱁䛸ẚ㍑䛧䚸Walras ᆒ⾮䛾᪉䛻౯᱁Ⓨぢᶵ⬟䛜䛒䜛䛣䛸䛜ศ䛛䛳䛯䚹䠎䠊⚾タྲྀᘬ䝅䝇䝔䝮䛻䛚䛡䜛ᐇドศᯒ⚾タྲྀᘬ䝅䝇䝔䝮䛿Ḣ⡿䛷䛿䛩䛷䛻ᢞ㈨ᐙ䛾㛫䛷ᾐ㏱䛧䛶䛚䜚䚸ྲྀᘬ䝁䝇䝖䛾๐ῶ䛿䜒䛱䜝䜣䛾䛣䛸䚸ὶືᛶ䛾ྥୖ䚸䝇䝥䝺䝑䝗䛾⦰ᑠ䚸䝪䝷䝔䜱䝸䝔䜱䛾పୗ䛜☜ㄆ䛥䜜䛶䛔䜛䚹㏆ᖺ᪥ᮏ䛻䛚䛔䛶䜒ἲᚊᨵṇ䚸኱ᡭドๆ఍♫䛾ཧධ䜔 SOR 䛜‽ഛ䛥䜜䛶䛝䛶䛚䜚䚸䛣䛾⚾タྲྀᘬ䝅䝇䝔䝮䛜ὀ┠䛥䜜ጞ䜑䛶䛔䜛䚹
䛭䛣䛷䛣䛾⚾タྲྀᘬ䝅䝇䝔䝮䜢ᮾிドๆྲྀᘬᡤ䛸ẚ㍑䛩䜛䛣䛸䛻䜘䜚䚸ᕷሙ≉ᛶ䜢⤫ィⓗ䛻ぢฟ䛧䛯䚹ලయⓗ䛻䛿Ḣ⡿䛸䛿␗䛺䜚䚸⚾タྲྀᘬ䝅䝇䝔䝮䛻䛿౯᱁Ⓨぢᶵ⬟䛜䛺䛟䚸ᯈ᝟ሗ䛿≉ᚩⓗ䛺ศᕸ䜢䛧䛶䛔䜛䚹䜎䛯⚾タྲྀᘬ䝅䝇䝔䝮䛻䛚䛡䜛ྲྀᘬ䛾✚ᴟᛶ (Biais, et al., 1995) 䛻╔┠䛧䚸ฟ᮶㧗ຠᯝ (Parlour, 1998)䜢⪃ᐹ䛩䜛䛸䚸௒䜎䛷䛾ฟ᮶㧗ຠᯝ䛸䛿␗䛺䜚䚸ᮾிドๆྲྀᘬᡤ䛻䛚䛔䛶኎䜚ὀᩥ䛜ቑ䛘䜛䛸䚸⚾タྲྀᘬ䝅䝇䝔䝮䛾㈙䛔ὀᩥ䛜ቑຍ䛩䜛䛸䛔䛖⤖ᯝ䜢ᚓ䛯䚹㻌 䛣䜜䜙䛾⤫ィⓗᛶ㉁䛛䜙䜰䝹䝂䝸䝈䝮ྲྀᘬ䛜㛵ಀ䛒䜛䛸᥎ிドๆྲྀᘬᡤ䛾⿵᏶ⓗ䛺ᙺ๭䛜䛒䜛䛸䛔䛖䛣䛸䛜᥎ 䛥䜜䛯䚹䛥䜜䚸⌧ᅾ䛾⚾タྲྀᘬ䝅䝇䝔䝮䛿ᮾ

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‫އם‬ᒍɟ DOI Eiichi㻌㻌৑‫ ޓ‬Ჴ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲭ࠰
ȁȸȠȕǧȭȸ Ჴਦ‫ݰ‬૙Ճ А‫ދ‬നଯᲢȢȇȪȳǰྰᲣᲦ ჿဋМɟᲢૠྸᚐௌྰᲣ
ᲦྛʮᆞᲦ‫ޛ‬஭ᏡᢹᲢǷȟȥȬȸǷȧȳྰᲣᄂ ᆮ ᛢ ᫆ ᲴᅈͺȇȸǿƴǑǔಅᆔȷ఍˄ƚК͂ငᄩྙƷ஖᧓ನᡯƱ‫ׅ‬ӓྙƷਖ਼‫ܭ‬ȢȇȫƷܱᚰ

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ᅜമ㸦JGB㸧౯᱁௜ࡅ㺱㺡㺼㺷ࡢ๭ᘬ⋡ࢆ⾲⌧ࡍࡿࡶࡢ࡜ࡋ࡚㔠฼ࡢᮇ㛫ᵓ㐀㺪㺽㺹㺜㺛ࡣ᭷⏝࡛࠶ࡾࠊ≉࡟㺜㺼㺹㺖㺎㺬㺽㺻മࡢ๭ᘬ⋡ࢆ⾲⌧ࡍࡿࡶࡢ࡜ࡋ࡚⾲⌧ࡉࢀࡿࠋࡑࡢ᝟ሗࡣࠊᇶᮏⓗ࡟ྛ᫬Ⅼࡢᅜമ౯᱁඲య࡟࠶ࡿࠋᐇ㝿࡟ࡣࠊከࡃࡢᅜമࡣ㺖㺎㺬㺽㺻മ࡛࠶ࡾࠊ౯᱁ࡶྵࡵࡓᅜമ඲యࡢ౯᱁ࡢ
⫼ᚋ࡟࠶ࡿ㺐㺎㺷㺢㺼඲యࡢ㺪㺽㺹㺜㺛࡜ࡋ࡚⾲⌧ࡉࢀࡿࠋࡇࡢ㺐㺎㺷㺢㺼ࡢᑟฟࡢ௙᪉ࡶࠊಶู㖭᯶ᒓᛶࢆ࡝ࡢ⛬ᗘ⪃៖ࡍࡿ࠿࡛⤖ᯝࡣ኱ࡁࡃ␗࡞ࡿࠋ↓⿢ᐃ౯᱁⌮ㄽ࡛ࡣࠊಶู㖭᯶ࡢᒓᛶࢆ↓どࡋࠊ๭ᘬമࢆ๓ᥦ࡜ࡋ࡚㺛㺬㺽㺍㺢㺸㺎㺢㺱㺡㺼㺷ࡸ㺪㺉㺺㺎㺢㺼㺸㺎㺢㺱㺡㺼㺷࡞࡝ࡢ≉ᐃ࡞㺱㺡㺼㺷࡟ࡼࡗ࡚㺱㺡㺼㺷໬ࡋࠊྍ⬟࡞ࡽゎᯒⓗ࡟๭ᘬ⋡ࢆᑟฟࡋࠊᮍ▱㺨㺽㺵㺰㺎㺞ࢆ㺡㺼㺎㺞࠿ࡽ᥎ᐃࡍࡿࠋ๓⪅ࡢ௦⾲ⓗ࡞㺱㺡㺼㺷ࡣ CJR 㺱㺡㺼㺷࡛࠶ࡾࠊᚋ⪅ࡢ௦⾲ⓗ࡞㺱㺡㺼㺷ࡣ HJM 㺱㺡㺼㺷࡛࠶ࡿࠋ௚᪉ࠊᮏ◊✲࡛ࡢ㺱㺡㺼㺷ࡣࠊ㖭᯶ᒓᛶࢆ✚ᴟⓗ࡟⪃៖ࡍࡿสᒇ(1995)ࠊKariya and Tsuda(1994)࡟ࡼࡿ㺱㺡㺼㺷໬ࢆᇶ♏࡜ࡍࡿࠋࡑࡢ⤖ᯝࠊಶู㖭᯶ࡢᩘ⮬యࡀ㈨⏘ᩘ࡜࡞ࡾࠊ㠀᏶ഛ࡞≧ἣࢆ᭱ึ࠿ࡽタᐃࡍࡿࡇ࡜࡟࡞ࡾࠊ㺶㺛㺖୰❧ ᗘࡣ୍ពⓗ࡟Ꮡᅾࡋ࡞࠸ࡢ࡛࠶ࡿ࠿ࡽࠊᐇ ᗘࡢࡶ࡜࡛ࡢホ౯ࢆᑐ㇟࡜ࡍࡿࠋࡉࡽ࡟≉ᐃ࡞㺱㺡㺼㺷ࢆ๓ᥦ࡜ࡏࡎ࡟ಶู㖭᯶ᒓᛶࢆ⪃៖ࡋࡓ㺪㺉㺺㺎㺢㺼㺸㺎㺢ࡢᮇ㛫ᵓ㐀⾲⌧࡟ࡼࡿ๭ᘬ⋡ࢆᖹᆒ್࡜
ࡑࡇ࠿ࡽࡢ஋㞳࡟ศゎࡋࠊ๓⪅ࢆከ㡯ᘧ㏆ఝࡋࠊ஋㞳ࡢ㒊ศ࡟ࡣ☜⋡ⓗ࡞┦㛵ᵓ㐀ࢆ᝿ᐃࡋ࡚
୍⯡໬᭱ᑠ஧஌ἲ࡟ࡼࡾ⤫ィⓗ࡟ฎ⌮ࡍࡿ㸦ᅗ⾲㸯㸧ࠋᅜമ౯᱁᝟ሗࡣࠊᬒẼኚື࡟ࡘ࠸࡚ࡢ
ᢞ㈨ᐙࡢ㺪㺉㺺㺎㺢㺼㺷㺍㺕㺻㺖㺼࡞ホ౯࡜ࡋ࡚ᑗ᮶ືྥࢆ₯ᅾⓗ࡟⾲⌧ࡋࡓ᝟ሗࡢ㞟ྜ࡜ࡋ࡚ᤊ࠼ࡿࡇ
࡜ࡀ࡛ࡁࡿ࡜࠸࠺⪃࠼࡟ᇶ࡙ࡃࠋ᭦࡟ᮏ◊✲࡛ࡣࠊࡇࢀࡽࡢᐇド࡜ࡋ࡚㔠⼥༴ᶵ᫬࿘㎶ࡢ㺡㺼㺎㺞ࢆ౑⏝ࡋᑟ࠿ࢀࡓ 6 ḟࡢከ㡯ᘧ࡟ࡼࡾ㏆ఝࡉࢀࡿᖹᆒ๭ᘬ⋡㛵ᩘࢆᥦ᱌ࡍࡿ࡜క࡟ࢮࣟ
࢖࣮ࣝࢻ➼ࢆླྀ㏙㸦ᅗ⾲㸰㸧ࠋ
 ᅗ⾲㸯

ᅗ⾲㸰

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␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

ܱᚰႎ↚ஊј↙≭≪≥̖఍˄ↀ∈⇭∑↗‒
Ph.D.
᣿ᗡүೞ଺↝᣿М↝஖᧓ನᡯЎௌ‒␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

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ࢊ‫ݱ‬ᆔ↝̛λ↚↷↺ᇤʗዼԧσ‫↚܍‬ឪ‫↺ↈ᧙↚঺࢟∙∞⇥⇷↺ↈ׆‬ᄂᆮ‒

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ᕲ᧓Ⴧ TOHMA Makoto㻌৑‫ ޓ‬Ჴ ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲭ࠰
ȁȸȠȕǧȭȸ Ჴ ਦ‫ݰ‬૙Ճ ɤ஭ଡ඲ᲢૠྸᚐௌྰᲣᲦ ᒉ᣼ӐɟᢹᲢȢȇȪȳǰྰᲣᲦɥ‫̮ٻޛ‬ᲢǷȟȥȬȸǷȧȳྰᲣᄂ ᆮ ᛢ ᫆ Ჴ Ӓࣖਘ૝ኒƴƓƚǔȑǿȸȳ࢟঺Ʒૠྸ

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ᄂᆮಒᙲ

」ᩘ䛾⏕≀✀䛜┦஫㛵ಀ䛾⤖ᯝ䚸䛹䛾䜘䛖䛺᫬㛫ⓗ✵㛫ⓗᵝ┦䜢♧䛩䛛䛸䛔䛖ၥ㢟䛿䚸⏕ែᏛ䛻䛚䛔䛶㔜せ䛺ၥ㢟䛷䛒䜛䚹䛣䛾ၥ㢟䛻䛚䛔䛶䚸㔜せ䛺⤒㦂๎䛿䝻䝅䜰䛾⏕ែᏛ⪅ G, F. Gause 䛻䜘䛳䛶ᥦၐ䛥䜜䛯䛂➇த᤼௚ᚊ䛃䛷䛒䜛䚹➇த᤼௚ᚊ䛿䚸ྠ䛨⏕ែᏛⓗᆅ఩䛻䛒䛳䛶➇ྜ䛩䜛஧✀䛾⏕≀䛿ඹᏑ䛷䛝䛺䛔䛸୺ᙇ䛩䜛⤒㦂๎䛷䛒䜚䚸Gause ⮬㌟䛾ᐇ㦂䜔䚸Lotka-Volterra ᆺ䛸࿧䜀䜜䜛ᩘ⌮䝰䝕䝹䛷☜ㄆ䛥䜜䛶䛔䜛䚹䛧䛛䛧䚸⌧ᐇ䛾⮬↛⏺䛷䛿」ᩘ䛾⏕≀✀䛜➇த䛧䛺䛜䜙䜒ඹᏑ䛧䛶䛔䜛䚹䛣䛾䛂➇த⦆࿴ඹᏑ䛃≧ែ䛻䛴䛔䛶䚸䛂ከ䛟䛾✀䛜」㞧䛺➇த➼䛻䜘䛳䛶䠈」㞧䛺䝛䝑䝖䝽䞊䜽䛜⏕䛨䠈䛭䜜䛻䜘䛳䛶ᙉ➇த㛵ಀ䛜⦆࿴䛥䜜䠈ඹᏑ䛜ྍ⬟䛸䛺䜛䛾䛷䛒䜝䛖䛃䛸䛔䛖どⅬ䛛䜙䚸ᩘ⌮䝰䝕䝹䜢㏻䛨䛶
⌮ゎ䛧䜘䛖䛸ゝ䛖◊✲䛻ᚑ஦䛧䛶䛔䜛䚹2011 ᖺᗘ䛿୺䛻䚸୕✀㢮䛾⏕≀✀䛜➇ྜ䛧䛺䛜䜙ᣑᩓ䛩䜛≧ἣ䜢⾲䛩ᩘ⌮䝰䝕䝹䛷䛒䜛䚸䠍ḟඖ཯ᛂᣑᩓ⣔䛻䛚䛡䜛➇த⦆࿴ඹᏑၥ㢟䛻䛴䛔䛶䚸୕ᮧᩍᤵ䚸ୖᒣᩍᤵ䚸National Taiwan University 䛾
Chun-Chuan Chen ᩍᤵ, Li-Chang Hung ༤ኈ䛸䛾ඹྠ◊✲䛻ᚑ஦䛧䛯䚹䛭䛾⤖ᯝ䚸ᙉ䛔✀䛜ᙅ䛔✀䜢᤼㝖䛩䜛ᵝ䛺஧✀➇ྜ≧ែ䛻ᑐ䛧䚸᭦䛻ᙅ䛔➨୕✀䛜౵ධ䛩䜛஦䛻䜘䛳䛶䚸✵㛫㠀୍ᵝ䛺୕✀ඹᏑ≧ែ䛜䛒䜛䛣䛸䜢ព࿡䛩䜛䝟䝹䝇≧䛾Ᏻᐃᐃᖖ䝟䝍䞊䞁䛾Ⓨ⏕䜢ᩘ್ⓗ䛻♧䛩䛣䛸䛜䛷䛝䛯䚹䜎䛯䚸䛭䛾✵㛫㠀୍ᵝ≧ែ䛻䛴䛔䛶኱ᇦⓗศᒱᵓ㐀䜢ᩘ್ⓗ䛻᳨ウ䛩䜛䛣䛸䛻䜘䜚䚸✵㛫㠀୍ᵝ䛺䝟䝍䞊䞁ᙧᡂ䛿䚸᭱ᙉ✀䛸᭱ᙅ✀䛾஧✀䛾䜏䛛䜙䛺䜛୙Ᏻᐃ䛺䝟䝹䝇≧䛾ᐃᖖゎ䛛䜙ศᒱ䛧䛯ୖ䛷᭦䛻䝩䝑䝥ศᒱ䛻䜘䛳䛶Ᏻᐃ໬䛧䛯䜒䛾䛷䛒䜛䛣䛸䜢᫂䜙䛛䛻䛷䛝䛯䚹᭦䛻䚸䛭䛾✵㛫㠀୍ᵝ≧ែ䛜䚸䛒䜛ᖖᚤศ᪉⛬ᘧ䛾ゎ䜢౑䛖䛣䛸䛻䜘䛳䛶グ㏙䛷䛝䜛཯ᛂᣑᩓ⣔䛾 Semi-exact ゎ䛷䛒䜛䛣䛸䜢♧䛩䛣䛸䛜䛷䛝䛯䚹ୖグ䛾◊✲䛻䛴䛔䛶䚸୰㛫⤖ᯝ䜢䛄Semi-Exact Equilibrium Solutions of Competition-Diffusion Systems
and Competition-Mediated Coexistence䛅䛸䛔䛖㢟┠䛷䚸2011 ᖺ 10 ᭶ 4 ᪥䛾 MIMS ⌧㇟ᩘ⌮Ꮫ䝫䝇䝍䞊䝉䝑䝅䝵䞁䛷Ⓨ⾲䛧䛯䚹䜎䛯䚸඲యീ䜢䛄Semi-exact equilibrium solutions for three-species competition-diffusion
systems䛅䛸䛔䛖㢟┠䛷 2012 ᖺ 2 ᭶ᮎ䛻 Hiroshima Mathematical Journal 䛻ᢞ✏䛧䚸ྠᖺ䠑᭶ึ᪪䛻ཷ⌮䛥䜜䛯䚹䜎䛯䚸㛵㐃䛩䜛䝔䞊䝬䛸䛧䛶䚸஧✀䛜➇ྜ≧ែ䛻䛒䜛୰䛻ᙅ䛔➨୕✀䛜౵ධ䛩䜛஦䜢⾲䛩஧ḟඖ཯ᛂᣑᩓ䝰䝕䝹䛻䛚䛔䛶䚸ᩘ್ⓗ䛻ほ䛥䜜䜛➇த⦆࿴ඹᏑ䜢⾲䛩ືⓗ⼺᪕䛻䛴䛔䛶䚸Ⓨ⏕䛩䜛䝟䝍䞊䞁䛾䝟䝷䝯䞊䝍౫Ꮡᛶ䛻䛴䛔䛶䚸ᑐᛂ䛩䜛୍ḟඖၥ㢟䛾㐍⾜Ἴ䛸䛾㛵ಀ䛸ゝ䛖どⅬ䛛䜙୕ᮧᩍᤵ䛸䛾ඹྠ◊✲䜢㐙⾜䛧䛯䚹2011 ᖺᗘ୰䛻䛿⤖ㄽ䜢ฟ䛩䛻䛿⮳䜙䛺䛛䛳䛯䛾䛷䠎䠌䠍䠎ᖺᗘ䛻⥅⥆䛧䛶᳨ウ䜢㐍䜑䛶䛔䜛䚹

ଐ᭗࣋Ӯ HIDAKA Tetsuji৑‫ޓ‬Ჴ ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲭ࠰
ȁȸȠȕǧȭȸᲴ ਦ‫ݰ‬૙Ճ ‫ޢ‬ᢿ᩹ঙᲢȢȇȪȳǰྰᲣᲦᲦɶ஭ԧ࠳ᲢǷȟȥȬȸǷȧȳྰᲣ ɤ஭ଡ඲ᲢૠྸᚐௌྰᲣ
଺ኒЗᚐௌ৖ඥǛဇƍƨᲦȖȩȳȉƷ٥ɥǍ̖͌ƴ‫ݣ‬Ƣǔᄂ ᆮ ᛢ ᫆Ჴ࠼ԓјௐƷᄂᆮ
ᄂᆮಒᙲ◊✲ㄢ㢟䛻๎䛳䛶䠈᫖ᖺᗘ䛛䜙⬻Ἴ䠄Electroencephalogram, EEG䠅䜢⏝䛔䛯ே䛾ឤ᝟䠈᝟ື䜢ุㄞ䛩䜛ᡭἲ䜢◊✲䛧䛶䛔䜛䚹᫖ᖺᗘ䛾ẁ㝵䛷䠈 ᐃ䛥䜜䛯 EEG 䛻ᑐ䛧䛶㧗࿘Ἴ䝣䜱䝹䝍䛸⊂❧ᡂศศᯒ䜢㐺⏝䛩䜛䛣䛸䛻䜘䛳䛶䠈➽㟁఩㝖ཤฎ⌮䜎䛷䛿䛒䜛⛬ᗘᐇ⏝䛻⪏䛘䜛┠ฎ䛜❧䛳䛯䛜䠈ฎ⌮ᚋ䛾䝕䞊䝍䛛䜙᝟ື䛻㛵䜟䜛᝟ሗ䜢ᢳฟ䛩䜛ᡭἲ䛿䜎䛰䜎䛰ᮍ᏶ᡂ䛷䛒䛳䛯䚹䛭䛣䛷䠈ᮏᖺᗘ䛿
EEG 䛾࿘ᮇᛶ䠈㠀⥺ᙧᛶ䛺䛹䛾ᛶ㉁䜢ㄪ䜉䜛సᴗ䛛䜙ྲྀ䜚⤌䜣䛰䚹㻌 ᫖ᖺᗘ䛻㛤Ⓨ䛧䛯䠈KM2O-䝷䞁䝆䝳䞂䜯䞁᪉⛬ᘧㄽ䠄KM2O䠅䛻ᇶ䛵䛔䛯࿘ᮇᛶ䜢ㄪ䜉䜛ᡭἲ䜢㐺⏝䛧䛯䛸䛣䜝䠈༢⣧䛺࿘ᮇᡂศ䛾䜏䛷䛿䛺䛟䠈㠀⥺ᙧᡂศ䛜㔜せ䛺ᡂศ䛷䛒䜛ྍ⬟ᛶ䛜㧗䛔䛣䛸䛜䜟䛛䛳䛶䛝䛯䚹䛭䛣䛷 KM2O 䛾⤖ᯝ䛸䝸䝲䝥䝜䝣ᣦᩘ䛺䛹䛾௚䛾㠀⥺ᙧᛶ䠄䜹䜸䝇ᛶ䠅ᣦᶆ䛸䛾ẚ㍑䜢
⾜䛳䛯䛸䛣䜝䠈EEG 䛻㛵䛧䛶୧⪅䛾ᣦᶆ䛾┦㛵䛜㧗䛔⤖ᯝ䛸䛺䛳䛯䚹䛣䜜䛿䠈EEG 䛾≉ᚩ䜢⾲䛩ᣦᶆ䛸䛧䛶䜹䜸䝇ᛶ䜢♧䛩ᣦᶆ䛜᭷ຠ䛷䛒䜛ྍ⬟ᛶ䛜㧗䛔䛣䛸䜢ព࿡䛧䛶䛔䜛䚹㻌 䛭䛣䛷䠈ᐇ㝿䛻⿕㦂⪅䛻䜘䜛䝔䝺䝡␒⤌ど⫈᫬䛾 EEG 䛛䜙䝸䝲䝥䝜䝣ᣦᩘ䜢ィ⟬䛧䛶᝟ື䛾ุᐃ䜢ヨ䜏䛯䚹䜎䛰ᡭἲ䛾᳨ドẁ㝵䛾䛯䜑䠈⿕㦂⪅䛿୍ே䠈኱⏬㠃䝔䝺䝡䛾๓䛻ᗙ䜚䠈EEG 䜢 ᐃ䛩䜛䝦䝑䝗䝉䝑䝖䜢㢌䛻⿦╔䛧䛯≧ែ䛷䝔䝺䝡␒⤌䜢୍ᐃ᫬㛫ど⫈䛧䛶䜒䜙䛔䠈EEG 䜢 ᐃ䛧䛯䚹 ᐃ䛥䜜䛯⏕䝕䞊䝍䛻ᑐ䛧䛶䝜䜲䝈㝖ཤ䛾ฎ⌮䜢⾜䛔ྛᐃ⟠ᡤ䛾᫬⣔ิ䝕䞊䝍䛾䝸䝲䝥䝜䝣ᣦᩘ䜢ィ⟬䛧䛯䚹ከḟඖ䛾䝸䝲䝥䝜䝣ᣦᩘ䛸䝥䝸䝁䞊䝗䛥䜜䛯᝟ື䛻ከ㡯䝻䝆䝑䝖䝰䝕䝹䜢㐺⏝䛧䛶᥎ᐃ䝰䝕䝹䜢ᵓ⠏䛩䜛䛣䛸䜢ヨ䜏䛯䚹䛭䛾⤖ᯝ䠈7 ๭⛬ᗘ䛾᥎ᐃ⢭ᗘ䛜ᚓ䜙䜜䛯䛯䜑䠈⌧ᅾ᳨ウ୰䛾᥎ᐃᡭἲ䛿᭷ᮃ䛷䛒䜛䛸ᮇᚅ䛷䛝䜛䚹㻌 䜂䛸䜎䛪 EEG 䛾≉ᚩ䜢⾲䛩ᣦᶆ䛸䛧䛶䝸䝲䝥䝜䝣ᣦᩘ䛜᭷ຠ䛷䛿䛺䛔䛛䛸䛔䛖ឤゐ䜢ᚓ䛯ẁ㝵䛷䛿䛒䜛䛜䠈ᗈ࿌ຠᯝ ᐃ䛻ά⏝䛩䜛䛻䛿䛥䜙䛺䜛᳨ド䛜ᚲせ䛺䛣䛸䛿䛔䛖䜎䛷䜒䛺䛔䚹䛧䛛䛧䠈EEG 䛻㛵䛩䜛ඛ⾜◊✲䛸␗䛺䜚䠈KM2O 䜢⏝䛔䛶㠀⥺ᙧᛶ䛾≉ᚩ䜢ᢳฟ䛧䛶䛔䜛䛯䜑䠈䜹䜸䝇ᛶ䛻╔┠䛩䜛䛣䛸䛾⌮⏤௜䛡䜢ᥦ౪䛷䛝䛶䛔䜛䛸⪃䛘䜙䜜䜛䚹䛥䜙䛻䠈䝸䝲䝥䝜䝣ᣦᩘ䛺䛹䛾䜹䜸䝇ᛶᣦᶆ䛿ཝᐦ䛺ᩘ್䜢ィ⟬䛩䜛䛾䛜ᅔ㞴䛰䛜䠈KM2O 䛾⤖ᯝ䛸ẚ㍑䛩䜛䛣䛸䛻䜘䛳䛶䠈┦ᑐⓗ䛺್䛾኱ᑠ䛻㛵䛧䛶䛿ಙ㢗䛷䛝䜛䛣䛸䜢䛒䜛⛬ᗘ☜ㄆ䛧䛶䛔䜛䚹㏻ᖖ䛾䜹䜸䝇ᛶ䛻㛵䛩䜛䝕䞊䝍ゎᯒ䛷䛿䝸䝲䝥䝜䝣ᣦᩘ䛾ṇ㈇䛜㔜せ䛰䛜䠈䛣䛣䛷䛿䛭䛾䜘䛖䛺್䛭䛾䜒䛾䛿ၥ䜟䛪䠈┦ᑐⓗ䛺኱ᑠ㛵ಀ䛰䛡䜢⏝䛔䛶䛔䜛䛯䜑䠈䝸䝲䝥䝜䝣ᣦᩘ䛾ィ⟬䛾ಙ㢗ᛶ䛾ၥ㢟䜢䜽䝸䜰䛧䛶䛔䜛䛸⪃䛘䜙䜜䜛䚹␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

Ꮿඬ≋‷⁞⁗⁕⁦⁤⁡⁗⁠⁕⁗⁢⁚⁓⁞⁡⁙⁤⁓ „‒‷‷‹≌⇁
ဇⅳ↎⇬−⇹ဪኵᙻᎮ଺↝‒ʴ↝ऴѣ↝Й‫ܭ‬৖ඥ↝᧏ႆ

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Ph.D.

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

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⇶⇕⇬∐⇈⇙∓⇱∞⇷⇥∞∙↝‒‫ٶ‬ಮࣱ↚↓ⅳ↕↝ྸᚐ‒

Ph.D.

᩷᜿ᇘࢀ AOTANI Akihiro৑‫ ޓ‬Ჴ ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲬ࠰
ȁȸȠȕǧȭȸ Ჴ ਦ‫ݰ‬૙Ճ ɤ஭ଡ඲ᲢૠྸᚐௌྰᲣᲦ
Ღɥ‫̮ٻޛ‬ᲢǷȟȥȬȸǷȧȳྰᲣ ‫ݱ‬௎ʰȷᙱౕਏᲢȢȇȪȳǰྰᲣᲴȐǯȆȪǢǳȭȋȸȑǿȸȳƷȢȇȪȳǰƓǑƼᚐௌᄂ ᆮ ᛢ ᫆ᄂᆮಒᙲ
Budrene㸪Berg(1991,1995)ࡣ㸪ᐮኳᇵᆅ࡛㉮໬ᛶࢆࡶࡘ኱⭠⳦ᰴ(HCB317tsr)ࢆᇵ㣴ࡍࡿ㝿࡟㸪㣴ศ⃰ᗘࡢࡳࢆኚ࠼ࡿࡇ࡜࡟ࡼࡗ࡚㸪ᗄఱᏛⓗ࡟␗࡞ࡿᶍᵝࢆᣢࡘ㸱✀㢮ࡢࢥࣟࢽ࣮ࣃࢱ࣮ࣥ
㸦ࢹ࢕ࢫࢡ≧࡟ᗈࡀࡿࣃࢱ࣮ࣥ㸪ᨺᑕ≧ᶍᵝࡢࣃࢱ࣮ࣥ㸪ᨃࣄ࣐࣡ࣜᶍᵝࡢࣃࢱ࣮ࣥ㸦ᅗ㸯㸧㸧ࢆほᐹࡋ㸪ࡑࢀࡽࡢࣃࢱ࣮ࣥࡀฟ⌧ࡍࡿせᅉ࡜ࡋ࡚㸪㣴ศᦤྲྀ࡟ࡼࡿቑṪ㸪ࣛࣥࢲ࣒࡞㐠ື㸪㉮໬ᛶ≀㉁ࡢ≀㉁㸪㉮໬ᛶ࡟ࡼࡿ⛣ືࡢ㸲ࡘࢆᣲࡆࡓࠋᙼ➼ࡣ㸪ࣃࢱ࣮ࣥᙧᡂࡣ㑇ఏᏊไᚚ࡛
⾜ࢃࢀࡿࡢ࡛ࡣ࡞ࡃ㸪ࡇࢀࡽ㸲ࡘࡢせᅉࡢ㐺ᙜ࡞ࣂࣛࣥࢫ࡛⮬ᕫ⤌⧊ⓗ࡟⌧ࢀࡿࡢ࡛ࡣ࡞࠸࠿
࡜㏙࡭࡚࠸ࡿࡀ㸪⌮⏤ࡣ♧ࡋ࡚࠸࡞࠸ࠋ
ࡇࡢሗ࿌࡟ᑐࡋ࡚㸪୕ᮧ-ᗈᒣࣔࢹࣝ(2002)࡟࠾࠸࡚㸪㣴ศ⃰ᗘࡔࡅࢆ⮬⏤ࣃ࣓࣮ࣛࢱ࡜ࡋ࡚㸪᭱⤊ᶍᵝ࠾ࡼࡧᙧᡂ㐣⛬࡟ࡘ࠸࡚ᐇ㝿ࡢࢥࣟࢽ࣮ࣃࢱ࣮ࣥ࡜㢮ఝࡍࡿࣃࢱ࣮ࣥࢆ෌⌧ࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋࡇࡢ⤖ᯝ࠿ࡽ㸪኱⭠⳦ࡣ㣴ศᦤྲྀ࡜㉮໬ᛶ⛣ືࡢ㐺ᙜ࡞ࣂࣛࣥࢫ࡟ࡼࡗ࡚“⮬ᕫ⤌⧊ⓗ࡟”ᗄఱᏛⓗ࡞ᵓ㐀ࢆᣢࡘࢥࣟࢽ࣮ࣃࢱ࣮ࣥࢆᙧᡂࡍࡿྍ⬟ᛶࡀ♧၀ࡉࢀࡓࠋ
ࡲࡓ㸪Budrene㸪Berg(1991)ࡣ㸪㉮໬ᛶࢆᣢࡘ኱⭠⳦ᰴ(HCB4368tsr)࡟࠾࠸࡚㞜ᮌᶍᵝࡢࣃࢱ࣮ࣥ㸦ᅗ㸰㸧ࢆほᐹࡋ࡚࠸ࡿࠋ㞜ᮌᶍᵝ࡟ࡘ࠸࡚ࡣ୕ᮧ-㐲⸨(2003)ࡀ෌⌧ࡋ㸪ࢡࣛࢫࢱ࣮ࡀ஺
஫࡟୪ࡪᕷᯇᵓ㐀ࡀᮏ㉁࡛࠶ࡿࡇ࡜ࢆ♧၀ࡋ࡚࠸ࡿࡀ㸪ྠᵝ࡟ᕷᯇᵓ㐀ࢆᣢࡘᨃࣄ࣐࣡ࣜᶍᵝ࡜ࡢ㐪࠸ࢆసࡿせᅉ࡟ࡘ࠸࡚ࡣ᫂ࡽ࠿࡟࡞ࡗ࡚࠸࡞࠸ࠋ ࡇࢀࡽࢆࡩࡲ࠼࡚㸪ࣔࢹࣝ࡟୚࠼ࡓ௬ᐃࡢጇᙜᛶࢆ㆟ㄽࡍࡿ࡜࡜ࡶ࡟㸪ࣔࢹࣝゎᯒ࣭ࢩ࣑ࣗ
࣮ࣞࢩࣙࣥ࠿ࡽ㸪㉮໬ᛶ኱⭠⳦ࡢࢥࣟࢽ࣮ࣃࢱ࣮ࣥᙧᡂࡢᶵᵓ࡟᪂ࡓ࡞▱ぢࢆ୚࠼ࡿࡇ࡜ࢆ┠ⓗ࡜ࡋ࡚◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋ

ᅗ㸯 ᨃࣄ࣐࣡ࣜᶍᵝࡢࣃࢱ࣮ࣥ

ᅗ㸰 㞜ᮌᶍᵝࡢࣃࢱ࣮ࣥ

᫨‫ק‬ᢋʍ IIZAKA Tatsuya৑‫ ޓ‬Ჴ ‫ܖٻ‬ᨈྸ߻‫ܖ‬ᄂᆮᅹᩓൢ߻‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲬ࠰
ȁȸȠȕǧȭȸ Ჴ ਦ‫ݰ‬૙Ճ ౕգʂᲢȢȇȪȳǰྰᲣᲦ ʚܷ࠼ԧᲢૠྸᚐௌྰᲣᲦ/QJCOGF 'N5JCTMCYKᲢǷ ȟȥȬȸǷȧȳྰᲣᄂ ᆮ ᛢ ᫆ Ჴ ᩓщኒወƴƓƚǔǤȳȆȪǸǧȳȈǷǹȆȠᄂᆮಒᙲ㟁ຊ⣔⤫࡛ࡣ㸪ᖖ࡟㟂せ࡜౪⤥㸦Ⓨ㟁㸧ࢆࣂࣛࣥࢫࡉࡏࡿᚲせࡀ࠶ࡿࠋ⌧≧ࡣ㸪㟂⤥ࣂࣛࣥࢫࡢ⥔ᣢࡢࡓࡵ㸪౪⤥ഃ㸦ⅆຊⓎ㟁ᶵ㸧࡛ไᚚࡋ࡚࠸ࡿࡀ㸪ⅆຊⓎ㟁ᶵࡢ㉳ື࡟ࡣ᫬㛫ࡀ࠿࠿ࡿࡓࡵ㸪஦๓࡟㟂せࢆணࡋ㸪౪⤥ഃ㸦Ⓨ㟁ᶵࡢ㉳ື೵Ṇ㸧ࢆィ⏬ࡍࡿᚲせࡀ࠶ࡿࠋ⌧ᅾ㸪෌⏕ྍ⬟࢚ࢿࣝࢠ࣮ࡢᑟධࡀୡ⏺ⓗ࡟⾜ࢃࢀ࡚࠸ࡿࠋ௒ᚋ㸪෌⏕ྍ⬟࢚ࢿࣝࢠ࣮ࡀ኱㔞ᑟධࡉࢀࡿ࡜㸪ࡑࡢ኱ࡁ࡞ฟຊኚືࡢࡓࡵ㸪㟂⤥ࣂࣛࣥࢫࡢㄪᩚࡀ㞴ࡋࡃ࡞ࡿࠋࡑࡢࡓࡵᑗ᮶ⓗ࡟ࡣ㸪౪⤥ഃࡔࡅ࡛࡞ࡃ㸪㟂せ࡜౪⤥ࡢ཮᪉ࢆไᚚࡍࡿᚲせࡀ࠶ࡿࠋࡇࢀࢆᐇ⌧ࡍࡿḟୡ௦㏦㓄㟁⥙ࡣࢫ࣐࣮ࢺࢢࣜࢵࢻ࡜࿧ࡤࢀ㸪ୡ⏺ⓗ࡟◊✲ࡀ⾜ࢃࢀ࡚࠸ࡿࠋ
ᮏ◊✲࡛ࡣ㸪ࢫ࣐࣮ࢺࢢࣜࢵࢻࡢ㟂⤥ࣂࣛࣥࢫ⥔ᣢࡢࡓࡵ㸪㟂せ࡜౪⤥཮᪉ࡢணࢆ⾜࠺ࡶࡢ࡛࠶ࡿࠋ
ண

ᡭἲࡢඹ㏻ᢏ⾡࡜ࡋ࡚ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡢ㧗⢭ᗘ໬㸪࠾ࡼࡧฟຊ⤖ᯝࡢㄝ᫂ᡭ

ἲࡢ◊✲ࢆ⾜ࡗࡓࠋࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡣே㛫ࡢ⬻⣽⬊ࢆࣔࢹࣝ໬ࡋࡓᡭἲ࡛࠶ࡾ㸪ィ⟬ᶵ࡟Ꮫ⩦⬟ຊࢆᣢࡓࡍࡇ࡜ࡀ࡛ࡁࡿᡭἲ࡛࠶ࡿࠋ୍᪉㸪」㞧࡞ᡭἲࡢࡓࡵ㸪࡞ࡐࡑࡢࡼ࠺࡞ண
ࢆࡋࡓࡢ࠿ᚑ᮶ࡣࡑࡢ᰿ᣐࢆ♧ࡍࡇ࡜ࡀ࡛ࡁ࡞࠿ࡗࡓࠋᮏ◊✲࡛ࡣ㸪ࡇࢀࢆᨵၿࡍࡿࡓࡵ᪂
ࡋ࠸ᵓ㐀ࡢࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆᥦ᱌ࡋ㸪ண ⤖ᯝࡢ᰿ᣐࢆ♧ࡍࡇ࡜ࢆᐇ⌧ࡋࡓࠋ㟂せഃࡢண࡜ࡋ࡚ࡣ㸪㟁ຊ఍♫ࡢ౪⤥ᆅᇦ඲యࡢ㸯᫬㛫ࡈ࡜ࡢ㟂せࡢணࢆ⾜ࡗࡓࠋࢽ

࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆ㐺⏝ࡍࡿࡇ࡜㸪㟂せࡢ㈇Ⲵ✀ู㸦୍⯡㸪኱ཱྀ➼㸧ࡈ࡜࡟ண ࢆ⾜࠺ࡇ࡜㸪࠾ࡼࡧᗈ࠸ᆅᇦࡢከᆅⅬࡢẼ㇟ࢆ౑⏝ࡍࡿࡇ࡜࡛㸪ᚑ᮶௨ୖࡢண ⢭ᗘࢆᐇ⌧ࡋࡓࠋ౪⤥ഃࡢண ࡜ࡋ࡚ࡣ㸪ỈຊⓎ㟁ࡢࡓࡵࡢࢲ࣒ὶධ㔞㸪㢼ຊⓎ㟁㸪ኴ㝧ගⓎ㟁ࢆண ࡋࡓࠋࢲ࣒ὶධ㔞ࡣࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࢆ㐺⏝ࡍࡿࡇ࡜㸪㐣ཤࡢㄗᕪࢆ⿵ṇࡍࡿࡇ࡜࡛㸪ᚑ᮶ᐇ⌧࡛ࡁ࡞࠿ࡗࡓᑠὶ㔞࠿ࡽὥỈὶ㔞ࡲ࡛ண ࡍࡿࡇ࡜ࢆᐇ⌧ࡋ࡚࠸ࡿࠋ㢼ຊⓎ㟁ࡣ㸪㢼㌴㓄⨨࡟క࠺㢼㏿ࡢኚ໬࡞࡝ࢆ⪃៖ࡍࡿࡇ࡜࡛ண ⢭ᗘࢆྥୖࡉࡏ࡚࠸ࡿࠋኴ㝧ගⓎ㟁ࡣ㸪㞼㔞ࡸ‵ᗘ࡞࡝ୖ✵ࡢከᩘࡢᅉᏊ࠿ࡽᆅୖ᪥ᑕ㔞ࢆண ࡍࡿࡇ࡜ࢆᐇ⌧ࡋ࡚࠸ࡿࠋ ᮏ◊✲࡛ࡣ㸪ୖ㏙ࡢ࡜࠾ࡾ㸪ࢫ࣐࣮ࢺࢢࣜࢵࢻ࡟࠾ࡅࡿ㟂⤥㐠⏝ィ⏬࡟ᚲせ࡞㸪㟂せ࡜
୺せ࡞౪⤥㸦Ⓨ㟁㸧ࡢண ࢆᐇ⌧ࡋࡓࠋ␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

ἋἰὊἚἂἼἕἛᩔዅᢃဇᚘဒỉẺỜỉʖย৖ඥỶὅἘἼἊỹὅἚ҄ỉᄂᆮᴾ

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Ph.D.

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

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∄∞⇗⇩⇮∄⇊⇕∓⇟⇮∏⇕⇧∉∞‒↚ⅹↀ↺ࠊ‫ئ‬Ўௌ‒

Ph.D.

Ӽോԧࢀ MUKAIDONO Kazuhiro৑‫ ޓ‬Ჴ ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲬ࠰
ᲦȁȸȠȕǧȭȸ Ჴ ਦ‫ݰ‬૙Ճ А‫ދ‬നଯᲢȢȇȪȳǰྰᲣ ʑ ܑ඙ᲢૠྸᚐௌྰᲣᲦ‫ޛ‬஭ᏡᢹᲢǷȥȟȬȸǷȧȳྰᲣᄂ ᆮ ᛢ ᫆ Ჴ ȞȸǱȃȈȞǤǯȭǹȈȩǯȁȣȸǛဇƍƨࠊ‫ئ‬ᚐௌᄂᆮಒᙲドๆᕷሙ࡟㛵ࢃࡾ⥆ࡅ࡚ࡁࡓ⫋ົ⤒㦂ࢆ⏕࠿ࡋ࡞ࡀࡽ㸪㏆ᖺⓎᒎࡋࡘࡘ࠶ࡿ࣐࣮ࢣࢵࢺ࣐
࢖ࢡࣟࢫࢺࣛࢡࢳ࣮ࣕศ㔝ࡢ◊✲ᡂᯝࢆά⏝ࡋ࡚㸪ᅜෆᰴᘧᕷሙ࠾ࡼࡧྲྀᘬᡤྲྀᘬ࡟࠾ࡅࡿ౯
᱁ᙧᡂࡸྲྀᘬᡭἲ࡟㛵ࢃࡿᢞ㈨⾜ືࢆゎᯒࡍࡿࡇ࡜࡛㸪ᕷሙࡢ࣎ࣛࢸ࢕ࣜࢸ࢕ࢆ㧗ࡵ࡚࠸ࡿせᅉࡸไᗘࡢၥ㢟ࢆ⪃ᐹࡋᡂᯝ࡜ࡋ࡚Ⓨ⾲ࡋ㸪⾜ືࣇ࢓࢖ࢼࣥࢫ࡟㛵ࡍࡿせ⣲ࡶ຺᱌ࡋ࡞ࡀࡽᰴ
ᘧᕷሙ࡟࠾ࡅࡿྲྀᘬ཰┈ᶵ఍ࡢ᭦࡞ࡿⓎ᥀࡜ࡑࡢ᳨ドࢆ┠ⓗ࡜ࡋ⾜ࡗ࡚࠸ࡿࠋ
ࡑࡇ࡛㸪⮬ศࡢࣅࢪࢿࢫୖ▱ࡾᚓ࡚࠸ࡿࡶࡢࢆ⏝࠸࡞ࡀࡽ࣮࣋ࢫ࡜࡞ࡿࡼ࠺࡞ྲྀᘬ཰┈ᶵ఍ࢆᩘከࡃⓎぢࡋ㸪ࡑࢀࡽࡢྲྀᘬ཰┈ᶵ఍ࢆ࡝ࡢࡼ࠺࡟౯᱁ホ౯ࡋ࡚ࡺࡅࡤⰋ࠸࠿ࢆ᳨ウࡋ࡞ࡀࡽᕷሙࢹ
࣮ࢱࢆ⏝࠸⤫ィ⏝ࢯࣇࢺࡸィ⟬ᡭἲࢆ⏝࠸࡚ྍど໬ࡍࡿ࡭ࡃ◊✲ࢆ⥆ࡅ࡚࠸ࡿࠋ౑⏝ࡍࡿᕷሙࢹ࣮ࢱࡣ㧗㢖ᗘࢹ࣮ࢱ㸦ࢸ࢕ࢵࢡࢹ࣮ࢱ㸧ࢆ୰ᚰ࡟⏝࠸ࡿࡇ࡜࡟ࡼࡾ㸪⌧ᅾࡢࣁ࢖ࣇ࣮ࣜࢡ࢚
ࣥࢩ࣮㸦㧗㢖ᗘྲྀᘬ㸧࣭࢔ࣝࢦࣜࢬ࣒ྲྀᘬ㸦⮬ື኎㈙㸧ࡸྛ✀ࣂࢫࢣࢵࢺࢺ࣮ࣞࢻ࡟㛵ࡍࡿศᯒࡶ᳨ドࡋ࡞ࡀࡽ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋ
ࡑࡢࡓࡵ࡟㸪ඛ⾜◊✲ㄽᩥࡢࢧ࣮࣋࢖ࢆ⾜࠸࡞ࡀࡽ㸪ࢭࣝࢧ࢖ࢻࣈ࣮࣮ࣟ࢝ࡢ࣏࣮ࣞࢺ࡞࡝
ࡶ✚ᴟⓗ࡟฼⏝ࡋ◊✲ࢆ㐍ࡵ࡚࠸ࡿࠋࡇࢀ࡟ࡼࡾ㸪⮬ศ࡛ࡣⓎぢ࡛ࡁ࡞࠿ࡗࡓࡼ࠺࡞ Trading
Opportunity ࢆⓎぢ࡛ࡁࢀࡤࡑࢀࢆⓎᒎࡉࡏ࡚⮬ศࡢ⤒㦂ࢆ࠶ࢃࡏࡿࡇ࡜࡟ࡼࡾ᭦࡞ࡿⓎᒎࡀᮇᚅ࡛ࡁࡿࠋ
◊✲᪉ἲࡣ㸪୺࡟㐣ཤࡢᰴ౯ࡢ᥎⛣࡜ྲྀᘬᡤࡢྲྀᘬࢩࢫࢸ࣒ཬࡧ࣮ࣝࣝࡢ㛵ಀᛶࢆ᫂ࡽ࠿࡟
ࡍࡿࡓࡵ࡟㸪⤫ィⓗ࡞ࢹ࣮ࢱゎᯒࡸ☜⋡ࣔࢹࣝࢆ౑ࡗࡓࢩ࣑࣮ࣗࣞࢩࣙࣥศᯒࡀ୰ᚰ࡜࡞ࡗ࡚
࠸ࡿࠋࡑࡋ࡚㸪ࡇࡢᐇドศᯒ࡟ඛࡔࡗ࡚㸪㈨⏘౯᱁⌮ㄽࡸ࣐࣮ࢣࢵࢺ࣐࢖ࢡࣟࢫࢺࣛࢡࢳ࣮ࣕ
ศ㔝ࡢ◊✲ࢧ࣮࣋࢖ࢆᐇ᪋ࡋ㸪ศᯒࡢࡓࡵࡢࣔࢹࣝೃ⿵ࢆ⌧ᅾ㑅ᐃࡋ࡚࠸ࡿࠋࡲࡓࠊ◊✲ࡢ㐣⛬࡟࠾࠸࡚ᚓࡓᡂᯝࢆᇶ࡟࣐࣮ࢣࢵࢺ࡟࠾ࡅࡿ᭱㐺ᇳ⾜࡟㛵ࡋ࡚ࡶゝཬࡋࡓ࠸ࠋ
ᮏ◊✲ࡣ㸪⮬ᕫࡢ⫋ົ⤒㦂࡛ᚓࡓ࢔࢖ࢹ࢕࢔ࢆྲྀࡾධࢀࡿⅬ࡟࠾࠸࡚㸪ᚑ᮶ࡢຠ⋡ⓗ࡞ᕷሙࢆ๓ᥦ࡜ࡍࡿ◊✲࡜ࡣ㸪ࡑࡢ┠ⓗࡸ᪉ἲ㸪ᮇᚅࡉࢀࡿᡂᯝ࡟ࡘ࠸࡚኱ࡁࡃ␗࡞ࡿࡶࡢ࡛࠶ࡿࠋ
ࡑࢀᨾ࡟ᮇᚅࡉࢀࡿᡂᯝࡀᚓࡽࢀ࡞࠸࡜࠸࠺ࣜࢫࢡࡶㄆ㆑ࡋ࡚࠸ࡿࡀ㸪ᐇົ⤒㦂ୖ≉࡟㔜せ࡜ᛮࢃࢀࡿྲྀᘬ཰┈ᶵ఍㸦ࢺ࣮ࣞࢹ࢕ࣥࢢ࣭࣏࢜ࢳࣗࢽࢸ࢕㸧࡟ὀ┠ࡋࡓศᯒ࠿ࡽඃඛⓗ࡟╔ᡭࡋ㸪ᐇ㝿࡟฼⏝࡛ࡁࡿᙧ࡛ࡢ◊✲ᡂᯝࢆฟࡍࡇ࡜ࢆ┠ᣦࡋ㸪ᚎࠎ࡟ỗ⏝ⓗ࡛య⣔ⓗ࡞⤖ᯝࢆᑟࡁฟࡍࡼ࠺࡟ດຊࢆ⥅⥆ࡋ࡚࠸ࡁࡓ࠸ࠋ

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‫ޛ‬ӝ‫ ٻݩ‬YAMAGUCHI Masahiro৑‫ ޓ‬Ჴ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲬ࠰
ȁȸȠȕǧȭȸ Ჴਦ‫ݰ‬૙Ճ ɥ‫̮ٻޛ‬ᲢǷȟȥȬȸǷȧȳྰᲣᲦ ɤ஭ଡ඲ᲢૠྸᚐௌྰᲣ
Ღɶ‫̢׽‬ʂᲢȢȇȪȳǰྰᲣᄂ ᆮ ᛢ ᫆ ᲴဃཋƷȑǿȸȳ࢟঺ᢅᆉƴȒȳȈǛࢽƨૼƠƍࣖဇȢȇȫƷನሰᄂᆮಒᙲ⏕≀ࡢᙧែࡣࡋࡤࡋࡤᶵ⬟ⓗ࡛࠶ࡿ࡜࠸ࢃࢀ࡚࠸ࡿࠋࡑࡢᙧᡂᶵᵓࡢ≉ᚩ࡜ࡋ࡚ࠊࡼࡃ౑
࠺㒊఩ࡣࡑࢀ࡟㐺ᛂࡋ࡚࡝ࢇ࡝ࢇⓎ㐩ࡍࡿࡇ࡜ࢆᙉㄪࡉࢀࡓࡾࡍࡿࠋࡓ࡜࠼ࡤࠊᡃࠎࡢ➽⫗ࡶࡑ࠺࡛࠶ࡿࠋ౑࠼ࡤ౑࠺࡯࡝Ⓨ㐩ࡍࡿࠋ᳜≀ࡢⱼࡶ㢼࡟ᦂࡽࢀ࡚࠸ࡿ࠺ࡕ࡟ᙉࡃ࡞ࡿࠋࡇࡢࡼ
࠺࡞ᛶ㉁ࡣࠊࠕ㐺ᛂᛶࠖ࡜࿧ࡤࢀࡿࠋᮏ◊✲ࡣࠊ㐺ᛂᛶࢆ㘽࡟⏕≀ࡢᙧែᙧᡂᶵᵓࡢࢲ࢖ࢼ࣑
ࢡࢫ࡟ࡘ࠸࡚ࠊࡑࡢᮏ㉁ࢆ⌮ゎࡍࡿࡇ࡜ࢆ┠ᣦࡋࡓࠋࡑࡢࣔࢹࣝ⣔࡜ࡋ࡚ࠊ⏕≀ᙧែࡢᶵ⬟ᛶࢆ࠶ࡽࢃࡍ᱁ዲࡢ౛࡜ࡋ࡚ྂࡃ࠿ࡽᘬ⏝ࡉࢀࠊ་Ꮫⓗ㔜せᛶࡸ⣽⬊⏕⌮Ꮫⓗ▱ぢࡢ⵳✚ࡀᏑᅾࡍࡿࠊࣄࢺ኱⭣㦵㦵㢌ࡢᾏ㠃㦵࡟ぢࡽࢀࡿ㦵ᱱࣃࢱ࣮ࣥࢆ㑅ᐃࡋࡓࠋ㦵ࡣࠊ୍ᗘ࡛ࡁࡓࡽࡎࡗ࡜ࡑࡢᙧࢆಖࡕ⥆ࡅ࡚࠸ࡿࢃࡅ࡛ࡣ࡞ࡃࠊືⓗ࡞ᖹ⾮≧ែ࡟࠶ࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿࠋࡇࢀࡣࣜࣔࢹࣜࣥࢢ⌧㇟࡜࿧ࡤࢀࠊ㦵ࢆቯࡍࣉࣟࢭࢫ࡜㦵ࢆసࡿࣉࣟࢭ
ࢫࡀᖖ࡟స⏝ࡋ⥆ࡅࡿࡇ࡜࡛ࠊࡑࡢࣂࣛࣥࢫ࡟ࡼࡗ࡚ᐃᖖ࡞ᙧࢆ࡞ࡋ࡚࠸ࡿࠋࡋ࠿ࡋࠊࣜࣔࢹ
ࣜࣥࢢ⌧㇟ࡢࣂࣛࣥࢫᶵᵓࡣ」㞧࡞ࡢ࡛ࠊࡑࡢ⌮ゎࡢࡓࡵᩘ⌮ࣔࢹࣝ໬ࡀ㐍ࡵࡽࢀ࡚࠸ࡿࠋ⣽⬊⏕⌮Ꮫⓗ࡞▱ぢࢆḟࠎ࡟┒ࡾ㎸ࢇࡔᩘ⌮ࣔࢹࣝࡀ࠸ࡃࡘ࠿ᥦ᱌ࡉࢀ࡚࠸ࡿࡀࠊ୍᪉࡛ࠊࣔࢹ
ࣝࡀ」㞧ࡍࡂ࡚ࠊ⤖ᒁ࡝ࡢࡼ࠺࡞ࢲ࢖ࢼ࣑ࢡࢫࡀຠ࠸࡚࠸ࡿࡢ࠿ࡀࡣࡗࡁࡾࡋ࡚࠸࡞࠸ࠋᐇ㦂ࡢヲ⣽࡟ࡘ࠸࡚ࡣࠊᮍࡔᐃࡲࡾࡁࡽ࡞࠸୙☜ᐃ࡞せ⣲ࡶከ࠸ࡢ࡛ࠊ࡝ࡇࡲ࡛ヲ⣽࡟ࡇࡔࢃࡿ࠿ࠊ
ࣔࢹࣝ໬ࡢࢫࢺࣛࢸࢪ࣮ࡀၥࢃࢀ࡚࠸ࡿࠋヲ⣽࡞ᐇ㦂஦ᐇࡢኚື࡟౫Ꮡࡋ࡞࠸ࡼ࠺࡞ࠊ⌧㇟ㄽⓗ࡞ᑠኚᩘࡢࣔࢹࣝࡶࡲࡓ᭷⏝࡛࠶ࢁ࠺ࠋࡑࡇ࡛ࠊ㦵ᱱࣃࢱ࣮ࣥࡢ㐺ᛂⓗᶵᵓࡢᇶᮏⓗࢲ࢖ࢼ࣑ࢡࢫࢆᤊ࠼ࡿࡇ࡜ࢆ┠ᣦࡋࠊ࡞ࡿ࡭ࡃ༢⣧໬ࡋࡓᩘ⌮ࣔࢹࣝࢆᵓ⠏ࡋࡓࠋ㦵ࡢࣜࣔࢹࣜࣥࢢࡢ⏕⌮ⓗ࡞㐣⛬ࡣࠊ㦵ⱆ⣽⬊࡟ࡼࡿ㐀㦵࡜◚㦵⣽⬊࡟ࡼࡿ◚㦵ࡢ」㞧࡞ࣉࣟࢭࢫ࠿ࡽ࡞ࡗ࡚࠸ࡿࠋࡑࢀࡽࡢάᛶࡣࠊ୺࡟እ㒊࠿ࡽࡢ㈇Ⲵ(㦵࡟࠿࠿ࡿⲴ㔜)࡟౫Ꮡࡍࡿ
ࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿࠋࡑࡇ࡛ࠊ㦵ࡢᡂ㛗⋡ࢆ㐀㦵స⏝࡜◚㦵స⏝࡟ศࡅࠊࡇࢀࡽ㸰ࡘࡢ㐺ᛂせ⣲ࡀᣕᢠࡋྜ࠺┦஫స⏝ࣔࢹࣝࢆ⪃࠼ࡓࠋ㦵ࡢᡂ㛗⋡ࢆᚤᑠ㡿ᇦࡈ࡜࡟⪃࠼ࡿ࡜ࠊ㐀㦵స⏝࡜◚㦵స⏝ࡣࠊᚤᑠ㡿ᇦ୰ࡢ㦵㔞࡜ࡑࡇ࡟࠿࠿ࡿ㈇Ⲵࡢ኱ࡁࡉ࡟ࡢࡳ౫Ꮡࡍࡿ࡜௬ᐃࡋࡓࠋࣄࢺ
኱⭣㦵㦵㢌ࡢ᩿㠃ᅗ࡟ࡘ࠸࡚ࢺࣛࢫᵓ㐀ࡢࣛࣥࢲ࣒࣓ࢵࢩࣗࢆసᡂࡋࠊࡑࡢୖ࡛ࡇࡢࣔࢹࣝࢆ
ࢥࣥࣆ࣮ࣗࢱࢩ࣑࣮ࣗࣞࢩࣙࣥࡍࡿ࡜ࠊᾏ㠃㦵ࡢ≉ᚩⓗ࡞㦵ᱱࣃࢱ࣮ࣥࢆ෌⌧ࡍࡿࡇ࡜ࡀ☜ㄆ࡛ࡁࡓࠋࡲࡓࠊ㐀㦵࡜◚㦵ࡢάᛶᗘࣃ࣓࣮ࣛࢱࡢẚࢆኚ࠼ࡿࡇ࡜࡛ࠊ㦵⢒㧼⑕ࡢ㐍⾜᫬࡟ぢࡽࢀࡿᱱࡢᾘኻ㐣⛬ࢆ෌⌧ࡍࡿࡇ࡜ࡶ࡛ࡁࡓࠋࡇࡢࢩࣥࣉࣝ࡞ࣔࢹࣝࡣࠊ㦵ࣜࣔࢹࣜࣥࢢ⌧㇟ࡢࢲ࢖ࢼ࣑ࢡࢫࡢ୍㒊ࢆグ㏙ࡍࡿࡇ࡜ࡀ࡛ࡁ࡚࠸ࡿ࡜⪃࠼࡚࠸ࡿࠋ௒ᚋࡣࠊࡇࡢࣔࢹࣝࡢᩘ⌮ⓗᶵᵓࢆ⪃ᐹࡍࡿ࡜࡜ࡶ࡟ࠊᛂ⏝ࣔࢹࣝࡢᵓ⠏ࢆ⾜࠺ࡘࡶࡾ࡛࠶ࡿࠋ

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

ਛ৴˺ဇⅻ˺↹Јↈ‒Ph.D.
ᭌన⇷⇥∞∙࢟঺↝ᢘࣖႎ⇦⇊⇰∅⇕⇟‒

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

M
I
M
S

Study the wave patterns in
excitable media bya wave front interaction model.

Ph.D.

ᨑ彥‫ ܢ‬CHEN Yan-Yu৑‫ ޓ‬Ჴ ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲬ࠰
ȁȸȠȕǧȭȸ Ჴ ਦ‫ݰ‬૙Ճ ʚܷ࠼ԧᲢૠྸᚐௌྰᲣᲦᲦ)WQ,QPI5JGPIᲢǷȟȥȬȸǷȧȳྰᲣ ɤ஭ଡ඲ᲢȢȇȪȳǰྰᲣᄂ ᆮ ᛢ ᫆ Ჴ Ӓࣖਘ૝ኒƴྵǕǔȑǿȸȳƷૠྸႎཎࣉ˄ƚᄂᆮಒᙲ
Last year I am interested in wave pattern formation in excitable media. This phenomenon has beenstudied in many fields in physics, chemistry, biology and so on. Among them, I focus on the spiralwave pattern in an unbounded medium. This pattern can be observed in Belousov-Zhabotinsky reaction,
cyclic-AMP signaling in social amoeba colonies of Dictyostelium discoideum, etc. It is also known thatthe spiral waves is one of causes of a ventricular fibrillation. Therefore, to understand the mechanismof the appearance of spiral waves is very important.
On the other hand, many researchers studied the spiral wave as a thickless curve in the plane, thoughmost of experiments exhibit thick spiral waves. Under the assumption that the tip is rotating along acircle, namely, the front is perpendicular to the core circle, they derived some information of spiralwaves, such as the behavior of the wave and the multiple existence. To study the motion of the tip andthe core of the spiral wave, we need more information of the spiral wave, especially near its tip.
Therefore, it is meaningful to study it as a thick region to derive the more information of the spiralwave.
In this work, we give a mathematical proof of the existence and the uniqueness of spiral waves which
consist of the front and the back by using the system proposed by Zykov. This system is the so-calledwave front interaction model. Because the results for the front curve had been shown before, we try toshow the global uniqueness of the back curve. Also we study the properties between front and back. We
hope it will give us some information about the width of the spiral wave pattern.
First derive some properties of the back by the shooting argument and the comparison principle. Next
we show the global existence of the solution of the back. Then we study its asymptotic behavior at infinity.
Finally, we prove the uniqueness of the solution. This paper has been submitted to the Physica D.

ͮग़ྞ POH Ai Ling Amy৑‫ ޓ‬Ჴ ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉᲬ࠰
ᲦȁȸȠȕǧȭȸ Ჴ ਦ‫ݰ‬૙Ճ Ӽോ૎ဏᲢȢȇȪȳǰྰᲣᲦனҾҽӴᲢǷȟȥȬȸǷȧȳྰᲣ  ɤ஭ଡ඲ᲢૠྸᚐௌྰᲣᄂ ᆮ ᛢ ᫆ Ჴ ǹȞȸȈǰȪȃȉƷऴ‫إ‬ǻǭȥȪȆǣǷǹȆȠᄂᆮಒᙲBased on the approaches of Simon Perry (2009) and Tony Flick et al. (2011), through interesting group
discussion and study model comparisons we were able to successfully selected the appropriate model to be
applied for the project of Information Security System for the Smart Grid; and studied the methods andtechniques that supported the selected model. QFD was adopted as the main methodology and fuzzy logic
then be applied to enhance the mathematical calculation to validate the effects of the important relationshipbetween the consumer and the functional requirements. This work has been published in the proceedings ofSmart Grid Security and Communications, The 9th International Symposium on Parallel and Distributed
Processing with Applications (ISPA-IEEE), Korea, #108: 91-98 and Journal of Convergence, 2(1): 39-46.
Following the results obtained from the earlier paper, a process for information security consumer
requirement identification was carried out. 16 requirements were identified via the work of VOC as was acareful literature review based on Hermeneutic Circle Methodology based on Walsham, G. (1996) and Klein,
H.K. et al. (1999) approach. This work has been published in International Journal of Grid Computing &Applications, 2(2): 1–19. Accordingly, we studied and identified the set of information security functional
requirements based on the 16 consumer requirements identified. The study helps reader to gain insight into
the trend of future information security systems that will affect smart grid development. This work has been
published in International Journal of Emerging Sciences, 1(3): 371-386. Then we carried out on areviewed on the Japan's smart grid practice, this work has been published Journal of Pervasive Technology,
1(1): 15-22. We continued with the effort to promote security philosophy important for a sustainable smart
grid system, this work has been published in the proceedings of 26th International Conference on
Advanced Information Networking and Applications Workshops, IEEE, Japan: 29-34. We also studied
the trade-off between “current” and “smart grid” energy supply system, this work has been published in theproceedings of DC Building Power Asia Conference, 4(6)Taiwan: 142-173. Then we investigate the natural
grid concept and the strategy of asia’s energy-balance pioneer. This work has been published in Smart Grid
Electronics Forum, 5(2), America: 1-25.
I completed the dissertation and was awarded a Ph.D. Degree with an excellent student prize this year. As
a whole, I enjoyed research in the Graduate School of Advanced Mathematical Science, Meiji University inthe previous years with the mentor from Professor Sugihara, Professor Mukaidono and Professor Mimura.
My research ability was enhanced by continuous improvement in data management, modeling and statisticalanalysis which laid a good foundation for my future research.

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

Information Security Systems for
the Smart Grid

M
I
M
S

Ph.D.

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

M
I
M
S

ᐃឱ᫏ỉᡪᘍᢃѣỆ᧙ẴỦወɟႎྸᚐᴾ

Ph.D.

‫ޥ‬ஜჇᘽ‫ ܇‬IWAMOTO Mayuko৑‫ ޓ‬Ჴ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉ  ࠰ȁȸȠȕǧȭȸ Ჴਦ‫ݰ‬૙Ճ ɥ‫̮ٻޛ‬ᲢǷȟȥȬȸǷȧȳྰᲣ ஛௅, ̮ࢠȷ‫ݱ‬௎ʰᲢȢȇȪȳǰᲣᲦɤ஭ଡ඲ᲢૠྸᚐௌྰᲣᄂ ᆮ ᛢ ᫆ Ჴᐃឱ᫏Ʒᡪᘍᢃѣƴ᧙Ƣǔወɟႎྸᚐ
ᄂᆮಒᙲ⏕≀ࡣࠊಶయ≉ᛶࡸᒃఫ⎔ቃ࡟ᛂࡌ࡚ࠊᵝࠎ࡞㐠ືᵝᘧࢆ⋓ᚓࡋ࡚࠸ࡲࡍࠋࡑࡢ㐠ືᶵᵓࢆゎ᫂ࡍ࡭ࡃ⏕≀Ꮫⓗ◊✲ࡀ㐍ࡵࡽࢀ࡚ࡁࡲࡋࡓࡀࠊ༢⣧࡞㐠ືᙧែࡢ࣓࢝ࢽࢬ࣒࡛ࡉ࠼ᮍࡔ᏶
඲࡟ࡣ᫂ࡽ࠿࡟ࡉࢀ࡚࠸ࡲࡏࢇࠋᮏ◊✲ࡣࠊከᵝ࡛」㞧࡞㐠ືᙧែࡢ࡞࠿࡟ࡶᇶᮏ࡜࡞ࡿඹ㏻
ࡢ࣓࢝ࢽࢬ࣒ࡀ₯ࢇ࡛࠸ࡿ࡜⪃࠼ࠊ༢⣧࡞㐠ືᶵᵓࡢࡦ࡜ࡘ࡛࠶ࡿ㏺⾜㐠ື࡟↔Ⅼࢆᙜ࡚࡚ࠊ
⏕≀ࡢ㐠ືᶵᵓࡢゎ᫂ࢆ┠ᣦࡋ࡚࠸ࡲࡍࠋ
 ⭡㊊㢮ࡣࠊ࢝ࢱࢶ࣒ࣜࡸ࢔࣡ࣅ(ྑ෗┿)࡞࡝ࡢᕳ㈅ࡢ⥲⛠࡛ࠊ㌾యື≀㛛࡛᭱ࡶከࡃࡢ✀ࢆ᭷ࡋࡲࡍࠋࡲࡓࠊከࡃࡢ✀ࡀ㏺⾜㐠ື࡟ࡼࡗ࡚
⛣ືࡋࠊࡑࡢ㝿ࠊᆅ㠃࡜᥋ᆅࡋࡓᖹࡽ࡞㊊࡟ࡣࠊ➽཰⦰ࡢఏ᧛ࡀἼ࡜ࡋ࡚ほᐹ࡛ࡁࡲࡍࠋࡇࡢ➽཰⦰Ἴࡣࠊ㐠ື࣓࢝ࢽࢬ࣒࡟࠾࠸࡚㔜せ࡞
せ⣲࡛࠶ࡿ࡜⪃࠼ࡽࢀࠊ༙ୡ⣖௨ୖ๓࠿ࡽほᐹࡀ⥆ࡅࡽࢀ࡚ࡁࡲࡋࡓࠋ
ࡋ࠿ࡋࠊ➽཰⦰ࡔࡅ࡛ࡣ㏺⾜㐠ືࡣᐇ⌧ࡉࢀࡲࡏࢇࠋ㔜せ࡞ࡶ࠺୍ࡘࡢせ⣲ࡣࠊ᥋ᆅ㠃࡜ࡢᦶ᧿ไᚚ࡛ࡍࠋ㛗࠸㛫ࠊ➽཰⦰㒊ศࢆᣢࡕୖࡆ࡚ᦶ᧿ࢆไᚚࡋ࡚࠸ࡿ࡜
⪃࠼ࡽࢀ࡚ࡁࡲࡋࡓࡀࠊ1980ᖺ࡟M. DennyẶࡀ⮬㌟ࡢᐇ㦂ࢆࡶ࡜࡟ࠊ㊊࠿ࡽศἪࡉࢀࡿ⢓ᾮ࡟ࡼࡿᦶ᧿ไᚚㄝࢆᥦၐࡋࡲࡋࡓࠋࡑࢀ௨᮶ࠊᦶ᧿ไᚚ࡟⢓ᾮࡀ㔜せ࡞ᙺ๭ࢆᯝࡓࡋ࡚࠸ࡿ࡜᥎
ࡉࢀ࡚ࡁࡲࡋࡓࡀࠊᐇ㝿࡟DennyࡀⓎぢࡋࡓ⢓ᾮࡢືⓗ⢓ᙎᛶࡀࠊ➽཰⦰Ἴ࡜┦஫స⏝ࡍࡿࡇ࡜࡟ࡼࡗ࡚⛣ືࡀᐇ⌧ࡉࢀࡿ࠿࡟ࡘ࠸࡚ࡣド᫂ࡉࢀ࡚࠸ࡲࡏࢇ࡛ࡋࡓࠋ㻌 ௒ᖺᗘ䛿䚸⢓ᾮ䛾ືⓗ⢓ᙎᛶ䛸➽཰⦰Ἴఏ᧛䛾┦஫స⏝䛻䜘䛳䛶⛣ື䛜ᐇ⌧䛥䜜䜛䛛䚸ᩘ⌮䝰䝕䝹䜢ᵓ⠏䛧䛶᳨ド䛧䜎䛧䛯䚹䛣䛾◊✲䛻䜘䜚䚸➽཰⦰Ἴ䛾ఏ᧛䛻䜘䛳䛶Ⓨ⏕䛩䜛ᙎᛶຊ䛻ᛂ䛨䛶⢓ᾮ䛜ᙎᛶ䛸⢓ᛶ䛾ᛶ㉁䜢䝻䞊䜹䝹䛻䝇䜲䝑䝏䞁䜾䛧䛶ᦶ᧿䜢ไᚚ䛧䚸య඲య䛸䛧䛶䛿䚸㏺⾜㐠ື䛜ᐇ⌧䛥䜜䜛䛣䛸䛜᫂䜙䛛䛸䛺䜚䜎䛧䛯䚹䜎䛯䚸⢓ᾮ䛾ᛶ㉁䜢≉ᚩ䛵䛡䜛䝟䝷䝯䞊䝍 Fu 䛸 Fl 䛻䜘䛳䛶䚸Direct
wave 䛸 Retrograde wave 䛸䛔䛖␗䛺䜛㐠ື䝟䝍䞊䞁䛜ᐇ⌧䛥䜜䜛䛣䛸䛜䜟䛛䜚䜎䛧䛯(ྑᅗ)䚹
㻌 䛣䜜䜙䛾◊✲⤖ᯝ䛿䚸3 䛴䛾Ꮫ఍䞉䝅䞁䝫䝆䜴䝮䛻䛶ሗ࿌䛧䚸᫂἞኱Ꮫ኱Ꮫ㝔ඛ➃ᩘ⌮⛉Ꮫ◊✲⛉㛤タ䝅䞁 䝫 䝆 䜴 䝮 䛷 䛿 ᭱ ඃ ⚽ 䝫 䝇 䝍 䞊 ㈹ 䜢 䚸 The 3rd
Taiwan-Japan Joint Workshop for Young Scholars in
Applied Mathematics 䛷 䛿 Presentation ExcellenceAward 䜢ཷ㈹䛧䜎䛧䛯䚹‫ܼٻ‬፯ႇ OHYA Yoshito৑‫ ޓ‬Ჴ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉ  ࠰ȁȸȠȕǧȭȸ Ჴਦ‫ݰ‬૙Ճ ɤ஭ଡ඲ᲢૠྸᚐௌྰᲣ ᭗‫ܤ‬ᅵ೔ᲢȢȇȪȳǰྰᲣᲦɶ஭ԧ࠳ᲢǷȟȥȬȸǷȧȳྰᲣᄂ ᆮ ᛢ ᫆ Ჴ඾ඬᢓɥƷ᭗ችࡇਖ਼‫ܭ‬ඥᄂᆮಒᙲᮏ◊✲ࡣὠἼࡢ㐳ୖࢆ༶᫬ண

ࡍࡿࢥࣥࣆ࣮ࣗࢱࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟࠾࠸࡚⏝࠸ࡽࢀࡿࣃ

࣓࣮ࣛࢱ࡟㛵ࡋࠊࡼࡾⰋ࠸Ỵᐃ᪉ἲࢆ☜❧ࡍࡿ஦ࢆ┠ᣦࡋ࡚࠸ࡿࠋ
2011 ᖺ 3 ᭶ 11 ᪥ࠊ୕㝣Ἀࢆ㟈※࡜ࡋ࡚ᮾ໭ᆅ᪉ኴᖹὒἈᆅ㟈ࡀⓎ⏕ࡋࡓࠋࡇࡢᕧ኱ᆅ㟈࡟ࡼࡾᮍ᭯᭷ࡢ⿕ᐖࡀⓎ⏕ࡋࡓ஦ࡣグ᠈࡟᪂ࡋ࠸ࠋ≉࡟ᆅ㟈ື࡛Ⓨ⏕ࡋࡓὠἼࡣほ ྐୖ᭱኱⣭ࡢつᶍ࡛࠶ࡾࠊࡑࡢᾐỈ⠊ᅖࡣ㟷᳃┴࠿ࡽ༓ⴥࡲ࡛ 500 ᖹ᪉࣓࣮࢟ࣟࢺࣝ௨ୖ࡟࡞ࡿࠋࡑࡢὠ
Ἴࡢ࢚ࢿࣝࢠ࣮ࡣࠊ㐲ࡃ༡ᴟ࡟ࡲ࡛฿㐩ࡋịᲴࡢ୍㒊ࢆ◚ቯࡋࡓ஦࠿ࡽࡶ᫂ࡽ࠿࡛࠶ࡿࠋ
⌧ᅾࡢὠἼ㆙ሗ࡛ࡣࠊἢᓊᆅᇦ࡛ࡢὠἼࡢ㧗ࡉࢆⓎ⾲ࡋ࡚࠸ࡿࠋࡋ࠿ࡋࠊࡇࡢ᝟ሗ࡛ࡣල
యⓗ࡟ఫẸ࡟⿕ᐖ࢖࣓࣮ࢪࢆ᝿㉳ࡉࡏࡿ஦ࡣ㞴ࡋ࠸ࠋࡇࢀ࡟㛵ࡋ࡚ᅜ㝿 ᆅᏛ࣭ᆅ⌫≀⌮Ꮫ㐃ྜࡢ➨ 25 ᅇᅜ㝿఍㆟࡛ࡣ༶᫬ᾐỈண ࢆ⾜࠸ࠊᾐỈ㆙ሗࢆⓎ⾲ࡍࡿ஦࡛⿕ᐖ࢖࣓࣮ࢪࢆႏ㉳ࡉࡏࡿ஦ࡀ࡛ࡁࡿࡢ࡛ࡣ࡞࠸࠿࡜ሗ࿌ࡉࢀࡓࠋ༶᫬ィ⟬࡟࠾࠸࡚኱ࡁ࡞ㄢ㢟ࡣィ⟬᫬㛫࡜ィ⟬⢭ᗘ࡛࠶ࡿࠋࡇࡢ஧ࡘࡢせ⣲ࡣᇶᮏⓗ࡟ࢺ࣮ࣞࢻ࢜ࣇࡢ㛵ಀ࡛࠶ࡾࠊ཮᪉୍ᐃ௨ୖࡢỈ‽ࢆ‶ࡓࡋࡓୖ࡛ࠊࡼࡾ㏿ࡃṇ☜࡟ィ⟬࡛ࡁࡿࡼ࠺࡟ࡍࡿ஦ࡀ㔜せ࡛࠶ࡿࠋ⌧ᅾࠊẼ㇟ᗇࡢᢅࡗ࡚࠸ࡿὠἼࡢᨭ㓄᪉⛬ᘧࡣỈ῝ࡀ࠶ࡿ⛬ᗘ௨ୖ῝ࡃ࡞ࡅࢀࡤィ⟬࡛ࡁ࡞࠸ࡓࡵࠊὠἼࡢ㐳ୖண ࡟ࡣ౑࠼࡞࠸ࠋὠἼࡢᣲືࢆᢅ࠺᪉⛬ᘧࡣ࠸ࡃࡘ࠿ࡢ✀㢮࡟ศࡅࡽࢀࡿࡀࠊࡑࡢ୰࡛ࡶࢩࣥࣉࣝ࡞ᘧ࡟ࠊὸỈἼ᪉⛬ᘧࡀ࠶ࡿࠋᮏ◊✲࡛ࡣࠊࡇࡢᘧ࡟╔┠ࡋࢆ⏝࠸࡚ᚲせ࡞ィ⟬㏿ᗘࢆ⥔ᣢࡋ࡞ࡀࡽண ⢭ᗘࡢྥୖࢆ┠ᣦࡍࠋὸỈἼ᪉⛬ᘧࡣᗏ㠃ᦶ᧿ࢆ࣐ࢽࣥࢢ⢒ᗘ࡜࿧ࡤࢀࡿࣃ࣓࣮ࣛࢱ࡛⾲ࡍࠋࡇࡢࣃ࣓࣮ࣛࢱࡣ
ᾏᇦ࡛ࡣࠊ࠾࠾ࡼࡑ୍ࡘࡢ್࡟ᐃࡲࡗ࡚࠸ࡿࡀࠊ㝣ୖ࡛ࡣᵝࠎ࡞୚࠼᪉ࡀ࠶ࡿࠋࡇࢀ࡟㛵ࡋ࡚ᶓ᩿ⓗ࡞㆟ㄽࡀ⌧ᅾ࡞ࡉࢀ࡚࠸࡞࠸ࠋ࣐ࢽࣥࢢ⢒ᗘࡣὶ㔞ࡀ୍ᐃ࡛࠶ࡿ࡜࠸࠺௬ᐃ࡟ᇶ࡙࠸ࡓ
➼ὶࡢゎᯒ࠿ࡽ࡛࡚᮶࡚࠸ࡿࡀࠊᐇ⏝ࡢほⅬ࠿ࡽ➼ὶ௨እࡢᵝࠎ࡞ሙ㠃࡛ᛂ⏝ࡉࢀ࡚࠸ࡿࠋὠ
Ἴࡢሙྜࠊྛࠎࡢ◊✲ᑐ㇟ᆅᇦ࡛ࡣጇᙜ࡞್࡟࡞ࡗ࡚࠸ࡿ࡜ᛮࢃࢀࡿࡀࠊࡑࡢタᐃ᪉ἲࢆ௚ᆅ
ᇦ࡟㐺⏝ࡋࡓ᫬ࡢጇᙜᛶ࡟㛵ࡋ࡚ࡣゝཬࡉࢀ࡚࠸࡞࠸ࠋ௒ḟࡢὠἼ⅏ᐖ࡟࠾࠸࡚ὠἼ㐳ୖࡢ⌧ᐇࡢࢹ࣮ࢱࡀᩘከࡃᚓࡽࢀ࡚ࠊබ࡟බ㛤ࡉࢀ࡚࠸ࡿࠋᮏ◊✲࡛ࡣࠊࡇࡢࢹ࣮ࢱࢆ⏝࠸ࠊ࣐ࢽࣥ
ࢢ⢒ᗘࡢ㐺ษ࡞タᐃ᪉ἲࢆ☜❧ࡍࡿࠋࡲࡓࠊ➨ 67 ᅇ࡟ᮏ≀⌮Ꮫ఍ᖺḟ኱఍࡟࠾࠸࡚ࠊ࣐ࢽࣥࢢ⢒ᗘࡢ୚࠼᪉࡟ࡼࡿὠἼࡢᣲືࠊ
≉࡟ᾐỈ⠊ᅖࡢᗈࡀࡾ᪉࡟࡝ࡢ⛬ᗘᙳ㡪ࡍࡿࡢ࠿ࡢㄪᰝ⤖ᯝࡢ୍㒊ࢆሗ࿌ࡋࡓࠋ

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

඾ඬᢓɥ↝᭗ችࡇਖ਼‫ܭ‬ඥ

M
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Ph.D.

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

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̮ဇ∐⇟⇕Ўௌ↝ૼ‫‒↗᧏ޒ‬ఇࡸˊஆࠊ‫↝ئ‬јྙࣱ

Ph.D.

൨ဋჇɟ NAGATA Shinichi৑‫ ޓ‬Ჴ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉ  ࠰ȁȸȠȕǧȭȸ Ჴਦ‫ݰ‬૙Ճ А‫ދ‬നଯᲢȢȇȪȳǰྰᲣ ʑܑ඙ᲢૠྸᚐௌྰᲣᲦɤ஭ଡ඲ᲢǷȟȥȬȸǷȧȳྰᲣᄂ ᆮ ᛢ ᫆ Ჴ᣿ᗡ߻‫ܖ‬ȷ᭗᫁ࡇȇȸǿǛဇƍƨఇࡸࠊ‫ئ‬Ўௌᄂᆮಒᙲ(1) TARCH㸫DCC ࢆ⏝࠸ࡓ MES ศᯒ ᮏ◊✲ࡣࠊBrownlees and Engle(2011)࡛ᥦ᱌ࡉࢀࡓ TARCH㸫DCC ࣔࢹࣝࢆᛂ⏝ࡋࡓࣜࢫࢡホ౯ࡢᡭἲ࡟ࡘ࠸࡚ᐇドศᯒࢆ⾜࠺ࠋලయⓗ࡟ࡣࠊࣜࢫࢡࡢཧ↷ඛ࡛࠶ࡿ㖟⾜ࡢᰴ౯࡜ࠊ⤒῭⎔ቃኚᩘࡢ௦⾲࡜ࡋ࡚ᮾドᰴ౯ᣦᩘ(TOPIX)࠾ࡼࡧ㛗ᮇᅜമඛ≀౯᱁ࡢ 3 ኚ㔞࡟ࡘ࠸࡚ TARCH㸫DCC ࣔࢹࣝࢆ᥎ᐃࡋࠊࣔࣥࢸ࢝ࣝࣟࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡾ Expected Shortfall ࢆィ ࡍࡿ࡞࡝ࡋ࡚ࠊࡑࡢ≉ᚩࡸ⢭ᗘࢆẚ㍑᳨ドࡍࡿࠋ࡞࠾ᮏ◊✲࡛ᚓࡽࢀࡓ▱ぢ➼ࡣ࣮࢜࣌ࣞࢩࣙࣥ
ࢬ࣭ࣜࢧ࣮ࢳᏛ఍ࡢ⛅Ꮨ◊✲Ⓨ⾲఍࡛Ⓨ⾲ࡍࡿࡇ࡜ࢆ┠ᶆ࡜ࡍࡿࠋ
(2) DCC ࡟ MacGyver Method ࢆ⏝࠸ࡓከኚ㔞ศᯒ (1)࠿ࡽᚓࡽࢀࡓ▱ぢࢆᣑᙇࡋࠊࡲࡓၥ㢟Ⅼ࡟ᨵⰋࢆຍ࠼ࠊࣜࢫࢡศᯒࡢ⢭ᗘࢆ㧗ࡵࡿࡇ࡜ࢆ┠ᶆ࡜ࡍࡿࠋලయⓗ࡟ࡣ(1)࡛⏝࠸ࡓ TARCH㸫DCC ศᯒࢆࠊ࣐࣮ࢣࢵࢺୗⴠ᫬࡟┦㛵ࡀୖ᪼ࡍࡿ࡜ゝ࠺≉ᚩࢆ࡜ࡽ࠼ࡓ TARCH㸫Asymmetric DCC ศᯒ࡟ᣑᙇࡋࠊᑬᗘ㛵ᩘ࡟ࡣ MacGyver
Method ࢆ⏝࠸࡚᭱኱໬ࢆ⾜࠸᥎ᐃࡍࡿࠋࡑࡋ࡚ࣔࣥࢸ࢝ࣝࣟࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡾ௒ᗘࡣ
copula ࡸ CoVaR ➼ࡢࣜࢫࢡᴫᛕࢆ⏝࠸࡚ࣜࢫࢡィ ࢆ⾜࠺ࠋ࡞࠾ᮏ◊✲࡛ᚓࡽࢀࡓ▱ぢ➼ࡣࠊ᪥ᮏಖ㝤࣭ᖺ㔠ࣜࢫࢡᏛ఍࡛◊✲Ⓨ⾲࣭ㄽᩥసᡂࢆ᭱⤊┠ⓗ࡜ࡍࡿࠋ(3) PTS ᕷሙศᯒ ㏆ᖺ IT ᢏ⾡ࡢ㣕㌍ⓗⓎᒎ࡟ࡼࡾࡶࡓࡽࡉࢀࡓᰴᘧᕷሙྲྀᘬࡢຠ⋡໬ࡣࠊᚑ᮶ࡢྲྀᘬࢩࢫࢸ
࣒ࢆ୍ኚࡉࡏᕷሙᵓ㐀ࡑࡢࡶࡢ࡟኱ࡁ࡞ኚ㠉ࢆࡶࡓࡽࡋࡓࠋ୰࡛ࡶࢥࣥࣆ࣮ࣗࢱᢏ⾡ࢆ౑ࡗࡓ࢔ࣝࢦࣜࢬ࣒ྲྀᘬࡸ PTS ᕷሙ㸦⚾タྲྀᘬࢩࢫࢸ࣒㸧ࡢⓎᒎࡣ┠ぬࡲࡋ࠸ࠋࡑࡇ࡛ᮏ◊✲ࡣࠊ
PTS ᕷሙ࡟㛵ࡋ࡚ᵝࠎ࡞ゅᗘ࠿ࡽศᯒࢆ୚࠼ࠊᕷሙྲྀᘬࡢὶືᛶ࡜ຠ⋡ᛶ࡟㛵ࡋ࡚⪃ᐹࢆ୚࠼ࡿࡇ࡜ࢆ┠ⓗ࡜ࡍࡿࠋලయⓗ࡟ࡣࠊPTS ᕷሙࡢ኎㈙㧗᥎⛣ࡸࢫࣉࣞࢵࢻศᯒ➼ࡢᇶᮏ⤫ィ㔞࡟ຍ࠼࡚ࠊPTS ᕷሙࡢ≉ᚩ࡛࠶ࡿ࢔ࣝࢦࣜࢬ࣒ྲྀᘬࡢ୍㒊࡛࠶ࡿࣉࣟࢢ࣒ࣛྲྀᘬࡢศᯒࢆ⾜࠸౯᱁Ⓨぢࡢᶵ⬟ࢆ᭷ࡍࡿ࠿᳨ドࡍࡿࠋIJIOMA, Ekeoma Rowland৑‫ ޓ‬Ჴ‫ܖٻ‬ᨈέᇢૠྸᅹ‫ܖ‬ᄂᆮᅹྵᝋૠྸ‫ݦܖ‬ૌҦٟࢸ஖ᛢᆉ  ࠰ȁȸȠȕǧȭȸ Ჴਦ‫ݰ‬૙Ճ ‫߷ݱ‬ჷʂᲢǷȟȥȬȸǷȧȳྰᲣᲦɤ஭ଡ඲ᲢȢȇȪȳǰྰᲣ ൷ဋ࠳‫ٽ‬ᲢૠྸᚐௌྰᲣᄂ ᆮ ᛢ ᫆ Ჴ/WNVKUECNGOGVJQFUCPFCPCN[UKUQHTGCEVKQPFKHHWUKQPU[UVGOUᄂᆮಒᙲ
Understanding the mechanism of propagation of macroscopic char pattern over thin porous media, ina slow combustion regime termed smoldering, has been a subject of interest over the years. Different
approaches to study the phenomenon of the development of fingering patterns arising from adestabilizing effect of oxygen transport have also been given e.g. experimentally and through the use ofphenomenological models.
In this study, we approach the problem in a multiscale framework to investigate basically the
response at the macroscopic level, the effect of integrating material physical and microstructuralproperties in the study of the combustion instabilities.
The results of the multiscale technique utilized in this study include systems of macroscopic (i.e.
homogenized) combustion models, which are akin to filtration combustion models in porous media,
and effective diffusion tensors. The macroscopic models were also investigated in an adiabatic situation
to study the development of 2D fingering patterns. We showed the structure of the propagating reaction
front in this simple case of adiabatic reverse combustion and also the behavior of various char patterns
arising from two equilibrium models that are typically based on contrasting conductivity coefficients.

The multiscale strategy

Macroscopic char pattern␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

Multiscale Approach toPattern Formation in
Reverse Smoldering Combustion

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Ph.D.

␁␗⏚␓␊‫ܖ‬ဃ␶Ҧٟࢸ஖ᛢᆉ␷

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A Real Options Perspective
on Franchising

Ph.D.

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Recently, franchising has gain popularity as a hybrid organizational form of business operation.
Therefore, many scholars have investigated it either using empirical studies or theoretical models toevaluate franchise. However, only few construct dynamic models and take strategic problems into theirresearch. Differing from those previous studies, I try to uses a real options perspective to create
dynamic models in order to explain the choice of the governance form and contract design infranchising and also value the decisions of parties involved in franchise contracts.
Dual distribution in franchise
In franchise chain, it is common to observe that the franchisor own several outlets alongside thefranchisee’s owned outlet. From real options perspective, this dual distribution phenomenon can be seen as
franchisor’s strategy to expand the network through franchise, but keep the option to own the outlet in the
future. Since by expanding through franchising, franchisor can capitalize franchisee’s skill to manage risk
and share knowledge of the local market while waiting uncertainties to be unfolded in the future. Hence, inthis project, I included real option clause (a call option to acquire the franchised outlet) in the franchisecontract and consider franchising as an option from franchisor to defer an investment.
Optimal effort within the franchisor-franchisee relationshipIn this project I try to prices the options of both the franchisor and the franchisee to participate infranchise. It concentrates on the strategic aspect of the relationship between the parties as regards theiroptimal choice of effort in order to maximize their option values, in presence of double moral hazard.
The association of effort and option value is will be demonstrated through implementation of the model
numerically. The results will provide some guidance on contract negotiations and on the designing of
the optimal contract for both parties.
With these projects I hope to contribute to an integration of ideas from contract theory, real options
analysis and game theory in area of franchise research. By combining analysis from several theories,
new insight can be derived from further interdisciplinary research. These projects should be understoodas a first step towards more research on the integration of real options into the design of contracts, andvice versa. This seems to be a promising future research area.