hleroy@irisa.UUCP (Hugues Leroy) (06/27/89)
1st European Conference on
Hypercube and Distributed Computers
October 4 - 6 1989
RENNES, FRANCE
ORGANISED BY
INRIA - IRISA
Conference Chairman : Francoise Andre (IRISA)
ORGANIZING COMMITTEE
T. Bricheteau (INRIA) E. Lebret (IRISA)
S. Gosset (INRIA) S. Many (INRIA)
T. Priol (IRISA)
PROGRAM COMMITTEE
President: J.P. Verjus (France)
C. Addison (Norway) P. Leca (France)
F. Andre (France) A. Lichnewski (France)
L. Beernaert (Belgium) B. Philippe (France)
T. Bemmerl (FRG) P. Quinton (France)
M. Bertocchi (Italy) M. Raynal (France)
R. Chamberlain (UK) Y. Robert (France)
M. Cosnard (France) D. Roose (Belgium)
R. Hempel (FRG) K. Solchenbach (FRG)
B. Kagstrom (Sweden) U. Trottenberg (FRG)
H. Leroy (France) M. Valero (Spain)
CONFERENCE SPONSORED BY
-CNRS Centre National de la Recherche Scientifique
-C3 Cooperation, Concurrence , Communication
-GAMNI/SMAI Societe de Mathematiques Appliquees et Industrielles
-ONERA Office National d'Etudes et de Recherches Aerospatiales
-Universite de Rennes
PROGRAM
Wednesday October 4, 1989
=========================
08h30-09h45 : Registration
09h45-10h45 : Invited Lecture
An assesment of second-generation multicomputers
C. Seitz (California Institute of Technology, USA)
10h45-11h15 : Break
SESSION 1: Non Numerical Algorithms
Chairperson : J.P. Verjus (IMAG, Grenoble, France)
11h15-11h45 : Component labelling on a distributed memory multiprocessor
H. Embrechts, D. Roose. (Belgium)
11h45-12h15 : Dynamic Programming on a ring of processors
S .Miguet, Y. Robert. (France)
12h15-14h15 : End of Session 1. Lunch
SESSION 2: Partial Differential Equations
Chairperson: M. Valero (U.P.C, Barcelona, Spain)
14h15-14h45 : Multigrid solution for 3D anisotropic elliptic problems on
local memory MIMD computers.
U. Gartel (FRG)
14h45-15h15 : Solving tridiagonal linear systems in parallel on local
memory MIMD machines.
A. Krechel, H.J. Plum, K. Stuben (FRG)
15h15-15h45 : A comparison of parallel multigrid strategies.
S.Vanderwalle, R. Piessens (Belgium)
15h45-16h15 : End of Session 2 . Break
SESSION 3: Tools and Environment
Chairperson: F. Andre (IRISA, Rennes, France)
16h15-16h45 : Lotop - A load generator for parallel computers.
T. Bemmerl, P. Hofstetter, T. Ludwig (FRG)
16h45-17h15 : Benchmarking the iPSC/2 hypercube multiprocessor.
L. Bomans, D. Roose (Belgium)
17h15-17h45 : Control replay scheme for distributed systems.
J.L. Pazat (France)
17h45-18h15 : End of Session 3 .
Thursday October 5, 1989
========================
SESSION 4 : Basic Algorithms in Linear Algebra
Chairperson: R. Chamberlain (Intel, Swindon, UK)
09h00-09h30 : Updating and downdating the inverse Cholesky factor on a
hypercube multiprocessor.
E. Chu, A. George (Canada)
09h30-10h00 : Parallel triangularization of sparse matrices on
distributed memory multiprocessors.
J. Duato, J. Pons (Spain)
10h00-10h30 : Computing a rank-identifying QR factorization on a
distributed memory multiprocessor.
C.H. Bischof (USA)
10h30-11h00 : End of Session 4 . Break
SESSION 5 : Languages and Operating Systems
Chairperson: R. Hempel (GMD, St Augustin, FRG)
11h00-11h30 : S: The CHEOPS operating system.
J.M. Lepine, F.Rubi (France)
11h30-12h00 : Mapping programs on regular distributed architectures.
G.R. Perrin, P. Clauss, S. Damy (France)
12h00-12h30 : A Langage for the design or regular parallel algorithms.
P. Gachet, C. Mauras, P. Quinton, Y. Saouter (France)
12h30-14h30 : End of Session 5 . Lunch
SESSION 6 : Neural Networks
Chairperson: D. Roose (Katholieke Universiteit of Leuven, Belgium)
14h30-15h00 : Multiprocessor implementation of neural networks.
L. Personnaz, G. Dreyfus (France)
15h00-15h30 : Parallel implementation of learning by a neural network
on the hypercube.
J. Bourrely (France)
15h30-16h00 : End of Session 6 . Break
SESSION 7 : Poster Session
16h00-18h00 : Poster Session ( 21 Posters)
18h00-..... : Cocktail
Wednesday October 6, 1989
=========================
SESSION 8 : Linear Algebra and Scientific Computing
Chairperson: P. Leca (Onera, Chatillon, France)
09h00-09h30 : Distributed block algorithms for the triangular Sylvester
equation with condition estimator.
B. Kagstrom, P. Poromaa (Sweden)
09h30-10h00 : Scientific parallel computing with transputers networks.
A. Cosnuau (France)
10h00-10h30 : Embedding of a honeycomb topology onto a hypercube.
D. Deserable, Y.Dupont (France)
10h30-11h00 : End of Session 8 . Break
SESSION 9 : Interconnection Networks
Chairperson: T. Bemmerl (University of Munich, FRG)
11h00-11h30 : The de Bruijn and Kautz networks: a competition for the
hypercube?
J.C. Bermond, C. Peyrat (France)
11h30-12h00 : Efficient communication in polynode systems.
K. Malowaniec, H.Scheidig, M.F. Schneider, R. Spurk (FRG)
12h00-12h30 : Performance analysis of broadcasting algoritms on a
hypercube.
P. Fraigniaud (France)
12h30-13h00 : How to use an incomplete binary hypercube for fault
tolerance.
M. Sultan Alam, R.G. Melhem (USA)
13h00-15h00 : End of the conference . Lunch
15h00-17h00 : Visit of IRISA labs
GENERAL INFORMATION
Location : Rennes, Brittany, connected by rail to PARIS
(by TGV ! 350 km, 2 hours)
Airport (Rennes St Jacques) (10 min to downtown)
The conference will be held at : Maison des Metiers
2, Cours des Allies
35029 Rennes Cedex
Tel: 33 - ( 1 ) 99 67 32 22
Lunches and Poster session will be held at :
Hotel Altea
Parc du Colombier
Rue du Capitaine Maignan
35000 RENNES
Tel: 33 - ( 1 ) 99 31 54 54
(Hotel is just in front of Maison des Metiers)
REGISTRATION
a) Registration fees:
---------------------
VAT 18,60 % included
-----------------------------------------------------------------
| BEFORE September 1st, 1989 | AFTER September 1st, 1989 |
-----------|---------------------------------|-----------------------------|
INDUSTRIAL | 2500 FF | 2800 FF |
-----------|---------------------------------|-----------------------------|
UNIVERSITY | 1800 FF | 2200 FF |
---------------------------------------------------------------------------|
STUDENT | 700 FF |
----------------------------------------------------------------------------
- University member rate is applicable to anyone justifying that University
is the only employer (a letter signed by the Dean of the University
is to be enclosed)
- A limited number of students registrations is avalaible.Every request has
to be sent together with a valid copy of the student card.
These fees includes:
-attendance at the workshop
-a copy of the proceedings
-an invitation to a reception on Thursday October 5th, 1989
-tea/coffee breaks
-lunches
These fees do not cover travelling expenses , hotel accomodation.
b) Registration procedures:
---------------------------
Prospective participants to the Conference should complete the enclosed
registration form and return it TOGETHER WITH THE REGISTRATION FEE to:
INRIA
Bureau des Colloques
Domaine de Voluceau - Rocquencourt - B.P. 105
78153 LE CHESNAY CEDEX - FRANCE
Tel: 33 ( 1 ) 39 63 56 00 / 39 63 53 Hotel
Telex : 697 033 F
===> Registration form WITHOUT payment will not be taken into account.
c) Payment
----------
All payments should be made in FRENCH CURRENCY
payable to l'AGENT COMPTABLE de l'INRIA
- by Banker's draft
- by Post Office cheque (CCP PARIS - 30041 - 00001 - 090 99 45 B 020 - 31 )
- by Bank transfer : Tresorerie Generale des Yvelines, Versailles
Account number 10071 - 78000 - 00044009153 89
State your name and reference to the Conference.
d) Cancellation
---------------
Fees will be returned in full for any witten cancellation received 8 days before
the Conference. There will be no entitlement for later cancellation
OFFICIAL LANGUAGES English and French
PROCEEDINGS
Proceedings will be published by North-Holland and distributed at the beginning
of the Conference.
HOTELS
Hotel reservation should be made by each participant directly to:
C.M.B. VOYAGES
Exploitation et Groupes
11, Boulevard de la Liberte
35000 RENNES
Tel : 33 (1) 99 31 61 62
Telex: 741 678 F
Use the enclosed Accomodation Form. THE DEADLINE IS JULY 22, 1989
TRAVEL
a) Train A 20% discount may be obtained from the SNCF for a round trip
-------- ticket within France.
b) Plane A 35% discount may be obtained from AIR INTER for a round trip
-------- ticket within France.
Reduced rate tickets from SNCF or AIR INTER will be sent to participants
requesting them on the Registration Form.
c) Visa It is reminded that foreign visitors execpt those from European
------- Community and Switzerland, should apply to French Consultates of
their country to obtain an Entry Visa at least 2 months before the
intended date of travel
LOCAL ARRANGEMENTS
a) Registration Registration for the Conference participants will start at
--------------- 8.30 a.m on Wednesday October 4th, 1989
b) Evening event On Thursday October 5th, 1989, at 6 p.m. , a cocktail
---------------- party will be organized in honour of the participants.
c) Refreshments Drinks will be avalaible during the breaks.
---------------
d) Mail Mail can be addressed to particiapnts through the Conference
------- Secretariat (Maison des Metiers). Indicate reference to the meeting.
e) Telephone messages Participants may receive telephone messages during the
--------------------- Conference.
f) Lunches Meals will be served at Hotel Altea.
----------
g) Secretariat will be avalaible during the Conference.
--------------
REGISTRATION FORM
-----------------
Each participant should use a separate registration form or a
copy thereof.
USE CAPITAL LETTERS / TICK APPROPIATE BOXES
NAME: ....................... FIRST NAME/INITIALS: ............
ORGANISATION: .................................................
MAIL ADDRESS: .................................................
POSTAL CODE: ................ CITY: ...........................
COUNTRY: .................... TELEX: ..........................
TELEPHONE: .................. FAX: ............................
----------------------------------------------------------------
| PAYMENT | LATE | TOTAL
| BEFORE 1st | PAYMENT | AMOUNT
| September 89 | |
----------------------------------------------------------------
| | |
INDUSTRIAL REGISTRATION|
| | |
UNIVERSITY REGISTRATION|
|
STUDENT REGISTRATION |
| | |
----------------------------------------------------------------
|
|
Total amount due (FF only) = | .........
|
----------
Arrival date: ................. Departure date: ................
Reduced Rate tickets Plane : [ ] Train [ ]
Amount due paid by:
APPLICATION FOR HOTEL ACCOMODATION
----------------------------------
USE CAPITAL LETTERS / TICK APPROPRIATE BOXES
----------------------------------------------------------------
| NO. OF | NO. OF | SINGLE | DOUBLE |
| NIGHTS | PERS. | ROOM | ROOM |
| | | | |
----------------------------------------------------------------|
| | | | |
HOTEL CAT. I (*) | ...... | ...... | ......... | ........... |
| | | | |
----------------------------------------------------------------|
| | | | |
HOTEL CAT. II(*) | ...... | ...... | ......... | ........... |
| | | | |
----------------------------------------------------------------|
| | | |
ECONOMY ROOM | ...... | ...... | Price on application |
| | | |
----------------------------------------------------------------
(*) Prices Not Yet Avalaible . Will be send on request.
Special dietary requirements: ..................................
Arrival Date: ........................hleroy@presto.irisa.fr (Hugues Leroy) (07/10/89)
1st European Conference on
Hypercube and Distributed Computers
October 4 - 6 1989
RENNES, FRANCE
ORGANISED BY
INRIA - IRISA
Conference Chairperson : Francoise Andre (IRISA)
ORGANIZING COMMITTEE
T. Bricheteau (INRIA) E. Lebret (IRISA)
S. Gosset (INRIA) S. Many (INRIA)
T. Priol (IRISA)
PROGRAM COMMITTEE
President: J.P. Verjus (France)
C. Addison (Norway) P. Leca (France)
F. Andre (France) A. Lichnewski (France)
L. Beernaert (Belgium) B. Philippe (France)
T. Bemmerl (FRG) P. Quinton (France)
M. Bertocchi (Italy) M. Raynal (France)
R. Chamberlain (UK) Y. Robert (France)
M. Cosnard (France) D. Roose (Belgium)
R. Hempel (FRG) K. Solchenbach (FRG)
B. Kagstrom (Sweden) U. Trottenberg (FRG)
H. Leroy (France) M. Valero (Spain)
CONFERENCE SPONSORED BY
-CNRS Centre National de la Recherche Scientifique
-C3 Cooperation, Concurrence , Communication
-GAMNI/SMAI Societe de Mathematiques Appliquees et Industrielles
-ONERA Office National d'Etudes et de Recherches Aerospatiales
-Universite de Rennes
PROGRAM
Wednesday October 4, 1989
=========================
08h30-09h45 : Registration
09h45-10h45 : Invited Lecture
An assesment of second-generation multicomputers
C. Seitz (California Institute of Technology, USA)
10h45-11h15 : Break
SESSION 1: Non Numerical Algorithms
Chairperson : J.P. Verjus (IMAG, Grenoble, France)
11h15-11h45 : Component labelling on a distributed memory multiprocessor
H. Embrechts, D. Roose. (Belgium)
11h45-12h15 : Dynamic Programming on a ring of processors
S .Miguet, Y. Robert. (France)
12h15-14h15 : End of Session 1. Lunch
SESSION 2: Partial Differential Equations
Chairperson: M. Valero (U.P.C, Barcelona, Spain)
14h15-14h45 : Multigrid solution for 3D anisotropic elliptic problems on
local memory MIMD computers.
U. Gartel (FRG)
14h45-15h15 : Solving tridiagonal linear systems in parallel on local
memory MIMD machines.
A. Krechel, H.J. Plum, K. Stuben (FRG)
15h15-15h45 : A comparison of parallel multigrid strategies.
S.Vanderwalle, R. Piessens (Belgium)
15h45-16h15 : End of Session 2 . Break
SESSION 3: Tools and Environment
Chairperson: F. Andre (IRISA, Rennes, France)
16h15-16h45 : Lotop - A load generator for parallel computers.
T. Bemmerl, P. Hofstetter, T. Ludwig (FRG)
16h45-17h15 : Benchmarking the iPSC/2 hypercube multiprocessor.
L. Bomans, D. Roose (Belgium)
17h15-17h45 : Control replay scheme for distributed systems.
J.L. Pazat (France)
17h45-18h15 : End of Session 3 .
Thursday October 5, 1989
========================
SESSION 4 : Basic Algorithms in Linear Algebra
Chairperson: R. Chamberlain (Intel, Swindon, UK)
09h00-09h30 : Updating and downdating the inverse Cholesky factor on a
hypercube multiprocessor.
E. Chu, A. George (Canada)
09h30-10h00 : Parallel triangularization of sparse matrices on
distributed memory multiprocessors.
J. Duato, J. Pons (Spain)
10h00-10h30 : Computing a rank-identifying QR factorization on a
distributed memory multiprocessor.
C.H. Bischof (USA)
10h30-11h00 : End of Session 4 . Break
SESSION 5 : Languages and Operating Systems
Chairperson: R. Hempel (GMD, St Augustin, FRG)
11h00-11h30 : S: The CHEOPS operating system.
J.M. Lepine, F.Rubi (France)
11h30-12h00 : Mapping programs on regular distributed architectures.
G.R. Perrin, P. Clauss, S. Damy (France)
12h00-12h30 : A Langage for the design or regular parallel algorithms.
P. Gachet, C. Mauras, P. Quinton, Y. Saouter (France)
12h30-14h30 : End of Session 5 . Lunch
SESSION 6 : Neural Networks
Chairperson: D. Roose (Katholieke Universiteit of Leuven, Belgium)
14h30-15h00 : Multiprocessor implementation of neural networks.
L. Personnaz, G. Dreyfus (France)
15h00-15h30 : Parallel implementation of learning by a neural network
on the hypercube.
J. Bourrely (France)
15h30-16h00 : End of Session 6 . Break
SESSION 7 : Poster Session
16h00-18h00 : Poster Session ( 21 Posters)
18h00-..... : Cocktail
Wednesday October 6, 1989
=========================
SESSION 8 : Linear Algebra and Scientific Computing
Chairperson: P. Leca (Onera, Chatillon, France)
09h00-09h30 : Distributed block algorithms for the triangular Sylvester
equation with condition estimator.
B. Kagstrom, P. Poromaa (Sweden)
09h30-10h00 : Scientific parallel computing with transputers networks.
A. Cosnuau (France)
10h00-10h30 : Embedding of a honeycomb topology onto a hypercube.
D. Deserable, Y.Dupont (France)
10h30-11h00 : End of Session 8 . Break
SESSION 9 : Interconnection Networks
Chairperson: T. Bemmerl (University of Munich, FRG)
11h00-11h30 : The de Bruijn and Kautz networks: a competition for the
hypercube?
J.C. Bermond, C. Peyrat (France)
11h30-12h00 : Efficient communication in polynode systems.
K. Malowaniec, H.Scheidig, M.F. Schneider, R. Spurk (FRG)
12h00-12h30 : Performance analysis of broadcasting algoritms on a
hypercube.
P. Fraigniaud (France)
12h30-13h00 : How to use an incomplete binary hypercube for fault
tolerance.
M. Sultan Alam, R.G. Melhem (USA)
13h00-15h00 : End of the conference . Lunch
15h00-17h00 : Visit of IRISA labs
GENERAL INFORMATION
Location : Rennes, Brittany, connected by rail to PARIS
(by TGV ! 350 km, 2 hours)
Airport (Rennes St Jacques) (10 min to downtown)
The conference will be held at : Maison des Metiers
2, Cours des Allies
35029 Rennes Cedex
Tel: 33 - ( 1 ) 99 67 32 22
Lunches and Poster session will be held at :
Hotel Altea
Parc du Colombier
Rue du Capitaine Maignan
35000 RENNES
Tel: 33 - ( 1 ) 99 31 54 54
(Hotel is just in front of Maison des Metiers)
REGISTRATION
a) Registration fees:
---------------------
VAT 18,60 % included
-----------------------------------------------------------------
| BEFORE September 1st, 1989 | AFTER September 1st, 1989 |
-----------|---------------------------------|-----------------------------|
INDUSTRIAL | 2500 FF | 2800 FF |
-----------|---------------------------------|-----------------------------|
UNIVERSITY | 1800 FF | 2200 FF |
---------------------------------------------------------------------------|
STUDENT | 700 FF |
----------------------------------------------------------------------------
- University member rate is applicable to anyone justifying that University
is the only employer (a letter signed by the Dean of the University
is to be enclosed)
- A limited number of students registrations is avalaible.Every request has
to be sent together with a valid copy of the student card.
These fees includes:
-attendance at the workshop
-a copy of the proceedings
-an invitation to a reception on Thursday October 5th, 1989
-tea/coffee breaks
-lunches
These fees do not cover travelling expenses , hotel accomodation.
b) Registration procedures:
---------------------------
Prospective participants to the Conference should complete the enclosed
registration form and return it TOGETHER WITH THE REGISTRATION FEE to:
INRIA
Bureau des Colloques
Domaine de Voluceau - Rocquencourt - B.P. 105
78153 LE CHESNAY CEDEX - FRANCE
Tel: 33 ( 1 ) 39 63 56 00 / 39 63 53 Hotel
Telex : 697 033 F
===> Registration form WITHOUT payment will not be taken into account.
c) Payment
----------
All payments should be made in FRENCH CURRENCY
payable to l'AGENT COMPTABLE de l'INRIA
- by Banker's draft
- by Post Office cheque (CCP PARIS - 30041 - 00001 - 090 99 45 B 020 - 31 )
- by Bank transfer : Tresorerie Generale des Yvelines, Versailles
Account number 10071 - 78000 - 00044009153 89
State your name and reference to the Conference.
d) Cancellation
---------------
Fees will be returned in full for any witten cancellation received 8 days before
the Conference. There will be no entitlement for later cancellation
OFFICIAL LANGUAGES English and French
PROCEEDINGS
Proceedings will be published by North-Holland and distributed at the beginning
of the Conference.
HOTELS
Hotel reservation should be made by each participant directly to:
C.M.B. VOYAGES
Exploitation et Groupes
11, Boulevard de la Liberte
35000 RENNES
Tel : 33 (1) 99 31 61 62
Telex: 741 678 F
Use the enclosed Accomodation Form. THE DEADLINE IS JULY 22, 1989
TRAVEL
a) Train A 20% discount may be obtained from the SNCF for a round trip
-------- ticket within France.
b) Plane A 35% discount may be obtained from AIR INTER for a round trip
-------- ticket within France.
Reduced rate tickets from SNCF or AIR INTER will be sent to participants
requesting them on the Registration Form.
c) Visa It is reminded that foreign visitors execpt those from European
------- Community and Switzerland, should apply to French Consultates of
their country to obtain an Entry Visa at least 2 months before the
intended date of travel
LOCAL ARRANGEMENTS
a) Registration Registration for the Conference participants will start at
--------------- 8.30 a.m on Wednesday October 4th, 1989
b) Evening event On Thursday October 5th, 1989, at 6 p.m. , a cocktail
---------------- party will be organized in honour of the participants.
c) Refreshments Drinks will be avalaible during the breaks.
---------------
d) Mail Mail can be addressed to particiapnts through the Conference
------- Secretariat (Maison des Metiers). Indicate reference to the meeting.
e) Telephone messages Participants may receive telephone messages during the
--------------------- Conference.
f) Lunches Meals will be served at Hotel Altea.
----------
g) Secretariat will be avalaible during the Conference.
--------------
REGISTRATION FORM
-----------------
Each participant should use a separate registration form or a
copy thereof.
USE CAPITAL LETTERS / TICK APPROPIATE BOXES
NAME: ....................... FIRST NAME/INITIALS: ............
ORGANISATION: .................................................
MAIL ADDRESS: .................................................
ADDRESS: ...................... STREET: .......................
ZIP CODE: ..................... CITY: .........................
COUNTRY: .................... TELEX: ..........................
TELEPHONE: .................. FAX: ............................
----------------------------------------------------------------
| PAYMENT | LATE | TOTAL
| BEFORE 1st | PAYMENT | AMOUNT
| September 89 | |
----------------------------------------------------------------
| | |
INDUSTRIAL REGISTRATION| 2500 FF [ ] | 2800 FF [ ] |
| | |
UNIVERSITY REGISTRATION| 1800 FF [ ] | 2200 FF [ ] |
| |
STUDENT REGISTRATION | 700 FF [ ] |
| | |
----------------------------------------------------------------
|
|
Total amount due (FF only) = | .........
|
----------
Arrival date: ................. Departure date: ................
Reduced Rate tickets Plane : [ ] Train [ ]
Amount due paid by:
APPLICATION FOR HOTEL ACCOMODATION
----------------------------------
USE CAPITAL LETTERS / TICK APPROPRIATE BOXES
---------------------------------------------------------------
| Approximate price per night, including |
| breakfast,taxes and service |
--------------------------------------------------------------|
| 1 pers. 2 pers. |
--------------------------------------------------------------|
| | |
HOTEL CAT. ** | 180 FF to 200 FF | 190 FF to 300 FF |
| | |
----------------|---------------------|-----------------------|
| | |
HOTEL CAT. *** | 225 FF to 295 FF | 270 FF to 355 FF |
| | |
----------------|---------------------|-----------------------|
| | |
HOTEL CAT. **** | 310 FF to 450 FF | 365 FF to 490 FF |
| | |
----------------|---------------------|-----------------------|
Please reserve: if possible in a ... star hotel , if not in a ... star hotel
.............Single room
.............Double room , Large Bed [ ] , Twin Bed [ ]
>From ..............evening to .............. morning
Obervations:
Amount to be paid : C.M.B Voyages will send you a confirmation and a hotel voucher
-------------------
Number of nights booked ..... x ..... = ........
Handling fees , per room FF 50 x ..... = ........
Payment: Make check payable to CMB Voyages
--------
have made banker's order to Bank Code : 15589/29750
Account nr 00162579240 / 25
Reference: 425
Cancellation: Refunds will only be made if written request is received at least
------------- eight days before the conference.
No-Checking in: In case of no-checking in, the hotel will keep the payment of
--------------- the first night - No refund will be granted.
No reservation will be made without a deposit covering at least
one night + 50 FF (handling fee per room)